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Cleanup

This commit is contained in:
Jinzhu 2020-01-28 16:21:14 +08:00
parent 7180bd0f27
commit f0d514e330
58 changed files with 0 additions and 15942 deletions
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377
association.go
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@ -1,377 +0,0 @@
package gorm
import (
"errors"
"fmt"
"reflect"
)
// Association Mode contains some helper methods to handle relationship things easily.
type Association struct {
Error error
scope *Scope
column string
field *Field
}
// Find find out all related associations
func (association *Association) Find(value interface{}) *Association {
association.scope.related(value, association.column)
return association.setErr(association.scope.db.Error)
}
// Append append new associations for many2many, has_many, replace current association for has_one, belongs_to
func (association *Association) Append(values ...interface{}) *Association {
if association.Error != nil {
return association
}
if relationship := association.field.Relationship; relationship.Kind == "has_one" {
return association.Replace(values...)
}
return association.saveAssociations(values...)
}
// Replace replace current associations with new one
func (association *Association) Replace(values ...interface{}) *Association {
if association.Error != nil {
return association
}
var (
relationship = association.field.Relationship
scope = association.scope
field = association.field.Field
newDB = scope.NewDB()
)
// Append new values
association.field.Set(reflect.Zero(association.field.Field.Type()))
association.saveAssociations(values...)
// Belongs To
if relationship.Kind == "belongs_to" {
// Set foreign key to be null when clearing value (length equals 0)
if len(values) == 0 {
// Set foreign key to be nil
var foreignKeyMap = map[string]interface{}{}
for _, foreignKey := range relationship.ForeignDBNames {
foreignKeyMap[foreignKey] = nil
}
association.setErr(newDB.Model(scope.Value).UpdateColumn(foreignKeyMap).Error)
}
} else {
// Polymorphic Relations
if relationship.PolymorphicDBName != "" {
newDB = newDB.Where(fmt.Sprintf("%v = ?", scope.Quote(relationship.PolymorphicDBName)), relationship.PolymorphicValue)
}
// Delete Relations except new created
if len(values) > 0 {
var associationForeignFieldNames, associationForeignDBNames []string
if relationship.Kind == "many_to_many" {
// if many to many relations, get association fields name from association foreign keys
associationScope := scope.New(reflect.New(field.Type()).Interface())
for idx, dbName := range relationship.AssociationForeignFieldNames {
if field, ok := associationScope.FieldByName(dbName); ok {
associationForeignFieldNames = append(associationForeignFieldNames, field.Name)
associationForeignDBNames = append(associationForeignDBNames, relationship.AssociationForeignDBNames[idx])
}
}
} else {
// If has one/many relations, use primary keys
for _, field := range scope.New(reflect.New(field.Type()).Interface()).PrimaryFields() {
associationForeignFieldNames = append(associationForeignFieldNames, field.Name)
associationForeignDBNames = append(associationForeignDBNames, field.DBName)
}
}
newPrimaryKeys := scope.getColumnAsArray(associationForeignFieldNames, field.Interface())
if len(newPrimaryKeys) > 0 {
sql := fmt.Sprintf("%v NOT IN (%v)", toQueryCondition(scope, associationForeignDBNames), toQueryMarks(newPrimaryKeys))
newDB = newDB.Where(sql, toQueryValues(newPrimaryKeys)...)
}
}
if relationship.Kind == "many_to_many" {
// if many to many relations, delete related relations from join table
var sourceForeignFieldNames []string
for _, dbName := range relationship.ForeignFieldNames {
if field, ok := scope.FieldByName(dbName); ok {
sourceForeignFieldNames = append(sourceForeignFieldNames, field.Name)
}
}
if sourcePrimaryKeys := scope.getColumnAsArray(sourceForeignFieldNames, scope.Value); len(sourcePrimaryKeys) > 0 {
newDB = newDB.Where(fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.ForeignDBNames), toQueryMarks(sourcePrimaryKeys)), toQueryValues(sourcePrimaryKeys)...)
association.setErr(relationship.JoinTableHandler.Delete(relationship.JoinTableHandler, newDB))
}
} else if relationship.Kind == "has_one" || relationship.Kind == "has_many" {
// has_one or has_many relations, set foreign key to be nil (TODO or delete them?)
var foreignKeyMap = map[string]interface{}{}
for idx, foreignKey := range relationship.ForeignDBNames {
foreignKeyMap[foreignKey] = nil
if field, ok := scope.FieldByName(relationship.AssociationForeignFieldNames[idx]); ok {
newDB = newDB.Where(fmt.Sprintf("%v = ?", scope.Quote(foreignKey)), field.Field.Interface())
}
}
fieldValue := reflect.New(association.field.Field.Type()).Interface()
association.setErr(newDB.Model(fieldValue).UpdateColumn(foreignKeyMap).Error)
}
}
return association
}
// Delete remove relationship between source & passed arguments, but won't delete those arguments
func (association *Association) Delete(values ...interface{}) *Association {
if association.Error != nil {
return association
}
var (
relationship = association.field.Relationship
scope = association.scope
field = association.field.Field
newDB = scope.NewDB()
)
if len(values) == 0 {
return association
}
var deletingResourcePrimaryFieldNames, deletingResourcePrimaryDBNames []string
for _, field := range scope.New(reflect.New(field.Type()).Interface()).PrimaryFields() {
deletingResourcePrimaryFieldNames = append(deletingResourcePrimaryFieldNames, field.Name)
deletingResourcePrimaryDBNames = append(deletingResourcePrimaryDBNames, field.DBName)
}
deletingPrimaryKeys := scope.getColumnAsArray(deletingResourcePrimaryFieldNames, values...)
if relationship.Kind == "many_to_many" {
// source value's foreign keys
for idx, foreignKey := range relationship.ForeignDBNames {
if field, ok := scope.FieldByName(relationship.ForeignFieldNames[idx]); ok {
newDB = newDB.Where(fmt.Sprintf("%v = ?", scope.Quote(foreignKey)), field.Field.Interface())
}
}
// get association's foreign fields name
var associationScope = scope.New(reflect.New(field.Type()).Interface())
var associationForeignFieldNames []string
for _, associationDBName := range relationship.AssociationForeignFieldNames {
if field, ok := associationScope.FieldByName(associationDBName); ok {
associationForeignFieldNames = append(associationForeignFieldNames, field.Name)
}
}
// association value's foreign keys
deletingPrimaryKeys := scope.getColumnAsArray(associationForeignFieldNames, values...)
sql := fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.AssociationForeignDBNames), toQueryMarks(deletingPrimaryKeys))
newDB = newDB.Where(sql, toQueryValues(deletingPrimaryKeys)...)
association.setErr(relationship.JoinTableHandler.Delete(relationship.JoinTableHandler, newDB))
} else {
var foreignKeyMap = map[string]interface{}{}
for _, foreignKey := range relationship.ForeignDBNames {
foreignKeyMap[foreignKey] = nil
}
if relationship.Kind == "belongs_to" {
// find with deleting relation's foreign keys
primaryKeys := scope.getColumnAsArray(relationship.AssociationForeignFieldNames, values...)
newDB = newDB.Where(
fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.ForeignDBNames), toQueryMarks(primaryKeys)),
toQueryValues(primaryKeys)...,
)
// set foreign key to be null if there are some records affected
modelValue := reflect.New(scope.GetModelStruct().ModelType).Interface()
if results := newDB.Model(modelValue).UpdateColumn(foreignKeyMap); results.Error == nil {
if results.RowsAffected > 0 {
scope.updatedAttrsWithValues(foreignKeyMap)
}
} else {
association.setErr(results.Error)
}
} else if relationship.Kind == "has_one" || relationship.Kind == "has_many" {
// find all relations
primaryKeys := scope.getColumnAsArray(relationship.AssociationForeignFieldNames, scope.Value)
newDB = newDB.Where(
fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.ForeignDBNames), toQueryMarks(primaryKeys)),
toQueryValues(primaryKeys)...,
)
// only include those deleting relations
newDB = newDB.Where(
fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, deletingResourcePrimaryDBNames), toQueryMarks(deletingPrimaryKeys)),
toQueryValues(deletingPrimaryKeys)...,
)
// set matched relation's foreign key to be null
fieldValue := reflect.New(association.field.Field.Type()).Interface()
association.setErr(newDB.Model(fieldValue).UpdateColumn(foreignKeyMap).Error)
}
}
// Remove deleted records from source's field
if association.Error == nil {
if field.Kind() == reflect.Slice {
leftValues := reflect.Zero(field.Type())
for i := 0; i < field.Len(); i++ {
reflectValue := field.Index(i)
primaryKey := scope.getColumnAsArray(deletingResourcePrimaryFieldNames, reflectValue.Interface())[0]
var isDeleted = false
for _, pk := range deletingPrimaryKeys {
if equalAsString(primaryKey, pk) {
isDeleted = true
break
}
}
if !isDeleted {
leftValues = reflect.Append(leftValues, reflectValue)
}
}
association.field.Set(leftValues)
} else if field.Kind() == reflect.Struct {
primaryKey := scope.getColumnAsArray(deletingResourcePrimaryFieldNames, field.Interface())[0]
for _, pk := range deletingPrimaryKeys {
if equalAsString(primaryKey, pk) {
association.field.Set(reflect.Zero(field.Type()))
break
}
}
}
}
return association
}
// Clear remove relationship between source & current associations, won't delete those associations
func (association *Association) Clear() *Association {
return association.Replace()
}
// Count return the count of current associations
func (association *Association) Count() int {
var (
count = 0
relationship = association.field.Relationship
scope = association.scope
fieldValue = association.field.Field.Interface()
query = scope.DB()
)
switch relationship.Kind {
case "many_to_many":
query = relationship.JoinTableHandler.JoinWith(relationship.JoinTableHandler, query, scope.Value)
case "has_many", "has_one":
primaryKeys := scope.getColumnAsArray(relationship.AssociationForeignFieldNames, scope.Value)
query = query.Where(
fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.ForeignDBNames), toQueryMarks(primaryKeys)),
toQueryValues(primaryKeys)...,
)
case "belongs_to":
primaryKeys := scope.getColumnAsArray(relationship.ForeignFieldNames, scope.Value)
query = query.Where(
fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relationship.AssociationForeignDBNames), toQueryMarks(primaryKeys)),
toQueryValues(primaryKeys)...,
)
}
if relationship.PolymorphicType != "" {
query = query.Where(
fmt.Sprintf("%v.%v = ?", scope.New(fieldValue).QuotedTableName(), scope.Quote(relationship.PolymorphicDBName)),
relationship.PolymorphicValue,
)
}
if err := query.Model(fieldValue).Count(&count).Error; err != nil {
association.Error = err
}
return count
}
// saveAssociations save passed values as associations
func (association *Association) saveAssociations(values ...interface{}) *Association {
var (
scope = association.scope
field = association.field
relationship = field.Relationship
)
saveAssociation := func(reflectValue reflect.Value) {
// value has to been pointer
if reflectValue.Kind() != reflect.Ptr {
reflectPtr := reflect.New(reflectValue.Type())
reflectPtr.Elem().Set(reflectValue)
reflectValue = reflectPtr
}
// value has to been saved for many2many
if relationship.Kind == "many_to_many" {
if scope.New(reflectValue.Interface()).PrimaryKeyZero() {
association.setErr(scope.NewDB().Save(reflectValue.Interface()).Error)
}
}
// Assign Fields
var fieldType = field.Field.Type()
var setFieldBackToValue, setSliceFieldBackToValue bool
if reflectValue.Type().AssignableTo(fieldType) {
field.Set(reflectValue)
} else if reflectValue.Type().Elem().AssignableTo(fieldType) {
// if field's type is struct, then need to set value back to argument after save
setFieldBackToValue = true
field.Set(reflectValue.Elem())
} else if fieldType.Kind() == reflect.Slice {
if reflectValue.Type().AssignableTo(fieldType.Elem()) {
field.Set(reflect.Append(field.Field, reflectValue))
} else if reflectValue.Type().Elem().AssignableTo(fieldType.Elem()) {
// if field's type is slice of struct, then need to set value back to argument after save
setSliceFieldBackToValue = true
field.Set(reflect.Append(field.Field, reflectValue.Elem()))
}
}
if relationship.Kind == "many_to_many" {
association.setErr(relationship.JoinTableHandler.Add(relationship.JoinTableHandler, scope.NewDB(), scope.Value, reflectValue.Interface()))
} else {
association.setErr(scope.NewDB().Select(field.Name).Save(scope.Value).Error)
if setFieldBackToValue {
reflectValue.Elem().Set(field.Field)
} else if setSliceFieldBackToValue {
reflectValue.Elem().Set(field.Field.Index(field.Field.Len() - 1))
}
}
}
for _, value := range values {
reflectValue := reflect.ValueOf(value)
indirectReflectValue := reflect.Indirect(reflectValue)
if indirectReflectValue.Kind() == reflect.Struct {
saveAssociation(reflectValue)
} else if indirectReflectValue.Kind() == reflect.Slice {
for i := 0; i < indirectReflectValue.Len(); i++ {
saveAssociation(indirectReflectValue.Index(i))
}
} else {
association.setErr(errors.New("invalid value type"))
}
}
return association
}
// setErr set error when the error is not nil. And return Association.
func (association *Association) setErr(err error) *Association {
if err != nil {
association.Error = err
}
return association
}

1050
association_test.go
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250
callback.go
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@ -1,250 +0,0 @@
package gorm
import "fmt"
// DefaultCallback default callbacks defined by gorm
var DefaultCallback = &Callback{logger: nopLogger{}}
// Callback is a struct that contains all CRUD callbacks
// Field `creates` contains callbacks will be call when creating object
// Field `updates` contains callbacks will be call when updating object
// Field `deletes` contains callbacks will be call when deleting object
// Field `queries` contains callbacks will be call when querying object with query methods like Find, First, Related, Association...
// Field `rowQueries` contains callbacks will be call when querying object with Row, Rows...
// Field `processors` contains all callback processors, will be used to generate above callbacks in order
type Callback struct {
logger logger
creates []*func(scope *Scope)
updates []*func(scope *Scope)
deletes []*func(scope *Scope)
queries []*func(scope *Scope)
rowQueries []*func(scope *Scope)
processors []*CallbackProcessor
}
// CallbackProcessor contains callback informations
type CallbackProcessor struct {
logger logger
name string // current callback's name
before string // register current callback before a callback
after string // register current callback after a callback
replace bool // replace callbacks with same name
remove bool // delete callbacks with same name
kind string // callback type: create, update, delete, query, row_query
processor *func(scope *Scope) // callback handler
parent *Callback
}
func (c *Callback) clone(logger logger) *Callback {
return &Callback{
logger: logger,
creates: c.creates,
updates: c.updates,
deletes: c.deletes,
queries: c.queries,
rowQueries: c.rowQueries,
processors: c.processors,
}
}
// Create could be used to register callbacks for creating object
// db.Callback().Create().After("gorm:create").Register("plugin:run_after_create", func(*Scope) {
// // business logic
// ...
//
// // set error if some thing wrong happened, will rollback the creating
// scope.Err(errors.New("error"))
// })
func (c *Callback) Create() *CallbackProcessor {
return &CallbackProcessor{logger: c.logger, kind: "create", parent: c}
}
// Update could be used to register callbacks for updating object, refer `Create` for usage
func (c *Callback) Update() *CallbackProcessor {
return &CallbackProcessor{logger: c.logger, kind: "update", parent: c}
}
// Delete could be used to register callbacks for deleting object, refer `Create` for usage
func (c *Callback) Delete() *CallbackProcessor {
return &CallbackProcessor{logger: c.logger, kind: "delete", parent: c}
}
// Query could be used to register callbacks for querying objects with query methods like `Find`, `First`, `Related`, `Association`...
// Refer `Create` for usage
func (c *Callback) Query() *CallbackProcessor {
return &CallbackProcessor{logger: c.logger, kind: "query", parent: c}
}
// RowQuery could be used to register callbacks for querying objects with `Row`, `Rows`, refer `Create` for usage
func (c *Callback) RowQuery() *CallbackProcessor {
return &CallbackProcessor{logger: c.logger, kind: "row_query", parent: c}
}
// After insert a new callback after callback `callbackName`, refer `Callbacks.Create`
func (cp *CallbackProcessor) After(callbackName string) *CallbackProcessor {
cp.after = callbackName
return cp
}
// Before insert a new callback before callback `callbackName`, refer `Callbacks.Create`
func (cp *CallbackProcessor) Before(callbackName string) *CallbackProcessor {
cp.before = callbackName
return cp
}
// Register a new callback, refer `Callbacks.Create`
func (cp *CallbackProcessor) Register(callbackName string, callback func(scope *Scope)) {
if cp.kind == "row_query" {
if cp.before == "" && cp.after == "" && callbackName != "gorm:row_query" {
cp.logger.Print("info", fmt.Sprintf("Registering RowQuery callback %v without specify order with Before(), After(), applying Before('gorm:row_query') by default for compatibility...", callbackName))
cp.before = "gorm:row_query"
}
}
cp.logger.Print("info", fmt.Sprintf("[info] registering callback `%v` from %v", callbackName, fileWithLineNum()))
cp.name = callbackName
cp.processor = &callback
cp.parent.processors = append(cp.parent.processors, cp)
cp.parent.reorder()
}
// Remove a registered callback
// db.Callback().Create().Remove("gorm:update_time_stamp_when_create")
func (cp *CallbackProcessor) Remove(callbackName string) {
cp.logger.Print("info", fmt.Sprintf("[info] removing callback `%v` from %v", callbackName, fileWithLineNum()))
cp.name = callbackName
cp.remove = true
cp.parent.processors = append(cp.parent.processors, cp)
cp.parent.reorder()
}
// Replace a registered callback with new callback
// db.Callback().Create().Replace("gorm:update_time_stamp_when_create", func(*Scope) {
// scope.SetColumn("CreatedAt", now)
// scope.SetColumn("UpdatedAt", now)
// })
func (cp *CallbackProcessor) Replace(callbackName string, callback func(scope *Scope)) {
cp.logger.Print("info", fmt.Sprintf("[info] replacing callback `%v` from %v", callbackName, fileWithLineNum()))
cp.name = callbackName
cp.processor = &callback
cp.replace = true
cp.parent.processors = append(cp.parent.processors, cp)
cp.parent.reorder()
}
// Get registered callback
// db.Callback().Create().Get("gorm:create")
func (cp *CallbackProcessor) Get(callbackName string) (callback func(scope *Scope)) {
for _, p := range cp.parent.processors {
if p.name == callbackName && p.kind == cp.kind {
if p.remove {
callback = nil
} else {
callback = *p.processor
}
}
}
return
}
// getRIndex get right index from string slice
func getRIndex(strs []string, str string) int {
for i := len(strs) - 1; i >= 0; i-- {
if strs[i] == str {
return i
}
}
return -1
}
// sortProcessors sort callback processors based on its before, after, remove, replace
func sortProcessors(cps []*CallbackProcessor) []*func(scope *Scope) {
var (
allNames, sortedNames []string
sortCallbackProcessor func(c *CallbackProcessor)
)
for _, cp := range cps {
// show warning message the callback name already exists
if index := getRIndex(allNames, cp.name); index > -1 && !cp.replace && !cp.remove {
cp.logger.Print("warning", fmt.Sprintf("[warning] duplicated callback `%v` from %v", cp.name, fileWithLineNum()))
}
allNames = append(allNames, cp.name)
}
sortCallbackProcessor = func(c *CallbackProcessor) {
if getRIndex(sortedNames, c.name) == -1 { // if not sorted
if c.before != "" { // if defined before callback
if index := getRIndex(sortedNames, c.before); index != -1 {
// if before callback already sorted, append current callback just after it
sortedNames = append(sortedNames[:index], append([]string{c.name}, sortedNames[index:]...)...)
} else if index := getRIndex(allNames, c.before); index != -1 {
// if before callback exists but haven't sorted, append current callback to last
sortedNames = append(sortedNames, c.name)
sortCallbackProcessor(cps[index])
}
}
if c.after != "" { // if defined after callback
if index := getRIndex(sortedNames, c.after); index != -1 {
// if after callback already sorted, append current callback just before it
sortedNames = append(sortedNames[:index+1], append([]string{c.name}, sortedNames[index+1:]...)...)
} else if index := getRIndex(allNames, c.after); index != -1 {
// if after callback exists but haven't sorted
cp := cps[index]
// set after callback's before callback to current callback
if cp.before == "" {
cp.before = c.name
}
sortCallbackProcessor(cp)
}
}
// if current callback haven't been sorted, append it to last
if getRIndex(sortedNames, c.name) == -1 {
sortedNames = append(sortedNames, c.name)
}
}
}
for _, cp := range cps {
sortCallbackProcessor(cp)
}
var sortedFuncs []*func(scope *Scope)
for _, name := range sortedNames {
if index := getRIndex(allNames, name); !cps[index].remove {
sortedFuncs = append(sortedFuncs, cps[index].processor)
}
}
return sortedFuncs
}
// reorder all registered processors, and reset CRUD callbacks
func (c *Callback) reorder() {
var creates, updates, deletes, queries, rowQueries []*CallbackProcessor
for _, processor := range c.processors {
if processor.name != "" {
switch processor.kind {
case "create":
creates = append(creates, processor)
case "update":
updates = append(updates, processor)
case "delete":
deletes = append(deletes, processor)
case "query":
queries = append(queries, processor)
case "row_query":
rowQueries = append(rowQueries, processor)
}
}
}
c.creates = sortProcessors(creates)
c.updates = sortProcessors(updates)
c.deletes = sortProcessors(deletes)
c.queries = sortProcessors(queries)
c.rowQueries = sortProcessors(rowQueries)
}

197
callback_create.go
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@ -1,197 +0,0 @@
package gorm
import (
"fmt"
"strings"
)
// Define callbacks for creating
func init() {
DefaultCallback.Create().Register("gorm:begin_transaction", beginTransactionCallback)
DefaultCallback.Create().Register("gorm:before_create", beforeCreateCallback)
DefaultCallback.Create().Register("gorm:save_before_associations", saveBeforeAssociationsCallback)
DefaultCallback.Create().Register("gorm:update_time_stamp", updateTimeStampForCreateCallback)
DefaultCallback.Create().Register("gorm:create", createCallback)
DefaultCallback.Create().Register("gorm:force_reload_after_create", forceReloadAfterCreateCallback)
DefaultCallback.Create().Register("gorm:save_after_associations", saveAfterAssociationsCallback)
DefaultCallback.Create().Register("gorm:after_create", afterCreateCallback)
DefaultCallback.Create().Register("gorm:commit_or_rollback_transaction", commitOrRollbackTransactionCallback)
}
// beforeCreateCallback will invoke `BeforeSave`, `BeforeCreate` method before creating
func beforeCreateCallback(scope *Scope) {
if !scope.HasError() {
scope.CallMethod("BeforeSave")
}
if !scope.HasError() {
scope.CallMethod("BeforeCreate")
}
}
// updateTimeStampForCreateCallback will set `CreatedAt`, `UpdatedAt` when creating
func updateTimeStampForCreateCallback(scope *Scope) {
if !scope.HasError() {
now := scope.db.nowFunc()
if createdAtField, ok := scope.FieldByName("CreatedAt"); ok {
if createdAtField.IsBlank {
createdAtField.Set(now)
}
}
if updatedAtField, ok := scope.FieldByName("UpdatedAt"); ok {
if updatedAtField.IsBlank {
updatedAtField.Set(now)
}
}
}
}
// createCallback the callback used to insert data into database
func createCallback(scope *Scope) {
if !scope.HasError() {
defer scope.trace(NowFunc())
var (
columns, placeholders []string
blankColumnsWithDefaultValue []string
)
for _, field := range scope.Fields() {
if scope.changeableField(field) {
if field.IsNormal && !field.IsIgnored {
if field.IsBlank && field.HasDefaultValue {
blankColumnsWithDefaultValue = append(blankColumnsWithDefaultValue, scope.Quote(field.DBName))
scope.InstanceSet("gorm:blank_columns_with_default_value", blankColumnsWithDefaultValue)
} else if !field.IsPrimaryKey || !field.IsBlank {
columns = append(columns, scope.Quote(field.DBName))
placeholders = append(placeholders, scope.AddToVars(field.Field.Interface()))
}
} else if field.Relationship != nil && field.Relationship.Kind == "belongs_to" {
for _, foreignKey := range field.Relationship.ForeignDBNames {
if foreignField, ok := scope.FieldByName(foreignKey); ok && !scope.changeableField(foreignField) {
columns = append(columns, scope.Quote(foreignField.DBName))
placeholders = append(placeholders, scope.AddToVars(foreignField.Field.Interface()))
}
}
}
}
}
var (
returningColumn = "*"
quotedTableName = scope.QuotedTableName()
primaryField = scope.PrimaryField()
extraOption string
insertModifier string
)
if str, ok := scope.Get("gorm:insert_option"); ok {
extraOption = fmt.Sprint(str)
}
if str, ok := scope.Get("gorm:insert_modifier"); ok {
insertModifier = strings.ToUpper(fmt.Sprint(str))
if insertModifier == "INTO" {
insertModifier = ""
}
}
if primaryField != nil {
returningColumn = scope.Quote(primaryField.DBName)
}
lastInsertIDOutputInterstitial := scope.Dialect().LastInsertIDOutputInterstitial(quotedTableName, returningColumn, columns)
var lastInsertIDReturningSuffix string
if lastInsertIDOutputInterstitial == "" {
lastInsertIDReturningSuffix = scope.Dialect().LastInsertIDReturningSuffix(quotedTableName, returningColumn)
}
if len(columns) == 0 {
scope.Raw(fmt.Sprintf(
"INSERT%v INTO %v %v%v%v",
addExtraSpaceIfExist(insertModifier),
quotedTableName,
scope.Dialect().DefaultValueStr(),
addExtraSpaceIfExist(extraOption),
addExtraSpaceIfExist(lastInsertIDReturningSuffix),
))
} else {
scope.Raw(fmt.Sprintf(
"INSERT%v INTO %v (%v)%v VALUES (%v)%v%v",
addExtraSpaceIfExist(insertModifier),
scope.QuotedTableName(),
strings.Join(columns, ","),
addExtraSpaceIfExist(lastInsertIDOutputInterstitial),
strings.Join(placeholders, ","),
addExtraSpaceIfExist(extraOption),
addExtraSpaceIfExist(lastInsertIDReturningSuffix),
))
}
// execute create sql: no primaryField
if primaryField == nil {
if result, err := scope.SQLDB().Exec(scope.SQL, scope.SQLVars...); scope.Err(err) == nil {
// set rows affected count
scope.db.RowsAffected, _ = result.RowsAffected()
// set primary value to primary field
if primaryField != nil && primaryField.IsBlank {
if primaryValue, err := result.LastInsertId(); scope.Err(err) == nil {
scope.Err(primaryField.Set(primaryValue))
}
}
}
return
}
// execute create sql: lastInsertID implemention for majority of dialects
if lastInsertIDReturningSuffix == "" && lastInsertIDOutputInterstitial == "" {
if result, err := scope.SQLDB().Exec(scope.SQL, scope.SQLVars...); scope.Err(err) == nil {
// set rows affected count
scope.db.RowsAffected, _ = result.RowsAffected()
// set primary value to primary field
if primaryField != nil && primaryField.IsBlank {
if primaryValue, err := result.LastInsertId(); scope.Err(err) == nil {
scope.Err(primaryField.Set(primaryValue))
}
}
}
return
}
// execute create sql: dialects with additional lastInsertID requirements (currently postgres & mssql)
if primaryField.Field.CanAddr() {
if err := scope.SQLDB().QueryRow(scope.SQL, scope.SQLVars...).Scan(primaryField.Field.Addr().Interface()); scope.Err(err) == nil {
primaryField.IsBlank = false
scope.db.RowsAffected = 1
}
} else {
scope.Err(ErrUnaddressable)
}
return
}
}
// forceReloadAfterCreateCallback will reload columns that having default value, and set it back to current object
func forceReloadAfterCreateCallback(scope *Scope) {
if blankColumnsWithDefaultValue, ok := scope.InstanceGet("gorm:blank_columns_with_default_value"); ok {
db := scope.DB().New().Table(scope.TableName()).Select(blankColumnsWithDefaultValue.([]string))
for _, field := range scope.Fields() {
if field.IsPrimaryKey && !field.IsBlank {
db = db.Where(fmt.Sprintf("%v = ?", field.DBName), field.Field.Interface())
}
}
db.Scan(scope.Value)
}
}
// afterCreateCallback will invoke `AfterCreate`, `AfterSave` method after creating
func afterCreateCallback(scope *Scope) {
if !scope.HasError() {
scope.CallMethod("AfterCreate")
}
if !scope.HasError() {
scope.CallMethod("AfterSave")
}
}

63
callback_delete.go
View File

@ -1,63 +0,0 @@
package gorm
import (
"errors"
"fmt"
)
// Define callbacks for deleting
func init() {
DefaultCallback.Delete().Register("gorm:begin_transaction", beginTransactionCallback)
DefaultCallback.Delete().Register("gorm:before_delete", beforeDeleteCallback)
DefaultCallback.Delete().Register("gorm:delete", deleteCallback)
DefaultCallback.Delete().Register("gorm:after_delete", afterDeleteCallback)
DefaultCallback.Delete().Register("gorm:commit_or_rollback_transaction", commitOrRollbackTransactionCallback)
}
// beforeDeleteCallback will invoke `BeforeDelete` method before deleting
func beforeDeleteCallback(scope *Scope) {
if scope.DB().HasBlockGlobalUpdate() && !scope.hasConditions() {
scope.Err(errors.New("missing WHERE clause while deleting"))
return
}
if !scope.HasError() {
scope.CallMethod("BeforeDelete")
}
}
// deleteCallback used to delete data from database or set deleted_at to current time (when using with soft delete)
func deleteCallback(scope *Scope) {
if !scope.HasError() {
var extraOption string
if str, ok := scope.Get("gorm:delete_option"); ok {
extraOption = fmt.Sprint(str)
}
deletedAtField, hasDeletedAtField := scope.FieldByName("DeletedAt")
if !scope.Search.Unscoped && hasDeletedAtField {
scope.Raw(fmt.Sprintf(
"UPDATE %v SET %v=%v%v%v",
scope.QuotedTableName(),
scope.Quote(deletedAtField.DBName),
scope.AddToVars(scope.db.nowFunc()),
addExtraSpaceIfExist(scope.CombinedConditionSql()),
addExtraSpaceIfExist(extraOption),
)).Exec()
} else {
scope.Raw(fmt.Sprintf(
"DELETE FROM %v%v%v",
scope.QuotedTableName(),
addExtraSpaceIfExist(scope.CombinedConditionSql()),
addExtraSpaceIfExist(extraOption),
)).Exec()
}
}
}
// afterDeleteCallback will invoke `AfterDelete` method after deleting
func afterDeleteCallback(scope *Scope) {
if !scope.HasError() {
scope.CallMethod("AfterDelete")
}
}

109
callback_query.go
View File

@ -1,109 +0,0 @@
package gorm
import (
"errors"
"fmt"
"reflect"
)
// Define callbacks for querying
func init() {
DefaultCallback.Query().Register("gorm:query", queryCallback)
DefaultCallback.Query().Register("gorm:preload", preloadCallback)
DefaultCallback.Query().Register("gorm:after_query", afterQueryCallback)
}
// queryCallback used to query data from database
func queryCallback(scope *Scope) {
if _, skip := scope.InstanceGet("gorm:skip_query_callback"); skip {
return
}
//we are only preloading relations, dont touch base model
if _, skip := scope.InstanceGet("gorm:only_preload"); skip {
return
}
defer scope.trace(NowFunc())
var (
isSlice, isPtr bool
resultType reflect.Type
results = scope.IndirectValue()
)
if orderBy, ok := scope.Get("gorm:order_by_primary_key"); ok {
if primaryField := scope.PrimaryField(); primaryField != nil {
scope.Search.Order(fmt.Sprintf("%v.%v %v", scope.QuotedTableName(), scope.Quote(primaryField.DBName), orderBy))
}
}
if value, ok := scope.Get("gorm:query_destination"); ok {
results = indirect(reflect.ValueOf(value))
}
if kind := results.Kind(); kind == reflect.Slice {
isSlice = true
resultType = results.Type().Elem()
results.Set(reflect.MakeSlice(results.Type(), 0, 0))
if resultType.Kind() == reflect.Ptr {
isPtr = true
resultType = resultType.Elem()
}
} else if kind != reflect.Struct {
scope.Err(errors.New("unsupported destination, should be slice or struct"))
return
}
scope.prepareQuerySQL()
if !scope.HasError() {
scope.db.RowsAffected = 0
if str, ok := scope.Get("gorm:query_hint"); ok {
scope.SQL = fmt.Sprint(str) + scope.SQL
}
if str, ok := scope.Get("gorm:query_option"); ok {
scope.SQL += addExtraSpaceIfExist(fmt.Sprint(str))
}
if rows, err := scope.SQLDB().Query(scope.SQL, scope.SQLVars...); scope.Err(err) == nil {
defer rows.Close()
columns, _ := rows.Columns()
for rows.Next() {
scope.db.RowsAffected++
elem := results
if isSlice {
elem = reflect.New(resultType).Elem()
}
scope.scan(rows, columns, scope.New(elem.Addr().Interface()).Fields())
if isSlice {
if isPtr {
results.Set(reflect.Append(results, elem.Addr()))
} else {
results.Set(reflect.Append(results, elem))
}
}
}
if err := rows.Err(); err != nil {
scope.Err(err)
} else if scope.db.RowsAffected == 0 && !isSlice {
scope.Err(ErrRecordNotFound)
}
}
}
}
// afterQueryCallback will invoke `AfterFind` method after querying
func afterQueryCallback(scope *Scope) {
if !scope.HasError() {
scope.CallMethod("AfterFind")
}
}

410
callback_query_preload.go
View File

@ -1,410 +0,0 @@
package gorm
import (
"errors"
"fmt"
"reflect"
"strconv"
"strings"
)
// preloadCallback used to preload associations
func preloadCallback(scope *Scope) {
if _, skip := scope.InstanceGet("gorm:skip_query_callback"); skip {
return
}
if ap, ok := scope.Get("gorm:auto_preload"); ok {
// If gorm:auto_preload IS NOT a bool then auto preload.
// Else if it IS a bool, use the value
if apb, ok := ap.(bool); !ok {
autoPreload(scope)
} else if apb {
autoPreload(scope)
}
}
if scope.Search.preload == nil || scope.HasError() {
return
}
var (
preloadedMap = map[string]bool{}
fields = scope.Fields()
)
for _, preload := range scope.Search.preload {
var (
preloadFields = strings.Split(preload.schema, ".")
currentScope = scope
currentFields = fields
)
for idx, preloadField := range preloadFields {
var currentPreloadConditions []interface{}
if currentScope == nil {
continue
}
// if not preloaded
if preloadKey := strings.Join(preloadFields[:idx+1], "."); !preloadedMap[preloadKey] {
// assign search conditions to last preload
if idx == len(preloadFields)-1 {
currentPreloadConditions = preload.conditions
}
for _, field := range currentFields {
if field.Name != preloadField || field.Relationship == nil {
continue
}
switch field.Relationship.Kind {
case "has_one":
currentScope.handleHasOnePreload(field, currentPreloadConditions)
case "has_many":
currentScope.handleHasManyPreload(field, currentPreloadConditions)
case "belongs_to":
currentScope.handleBelongsToPreload(field, currentPreloadConditions)
case "many_to_many":
currentScope.handleManyToManyPreload(field, currentPreloadConditions)
default:
scope.Err(errors.New("unsupported relation"))
}
preloadedMap[preloadKey] = true
break
}
if !preloadedMap[preloadKey] {
scope.Err(fmt.Errorf("can't preload field %s for %s", preloadField, currentScope.GetModelStruct().ModelType))
return
}
}
// preload next level
if idx < len(preloadFields)-1 {
currentScope = currentScope.getColumnAsScope(preloadField)
if currentScope != nil {
currentFields = currentScope.Fields()
}
}
}
}
}
func autoPreload(scope *Scope) {
for _, field := range scope.Fields() {
if field.Relationship == nil {
continue
}
if val, ok := field.TagSettingsGet("PRELOAD"); ok {
if preload, err := strconv.ParseBool(val); err != nil {
scope.Err(errors.New("invalid preload option"))
return
} else if !preload {
continue
}
}
scope.Search.Preload(field.Name)
}
}
func (scope *Scope) generatePreloadDBWithConditions(conditions []interface{}) (*DB, []interface{}) {
var (
preloadDB = scope.NewDB()
preloadConditions []interface{}
)
for _, condition := range conditions {
if scopes, ok := condition.(func(*DB) *DB); ok {
preloadDB = scopes(preloadDB)
} else {
preloadConditions = append(preloadConditions, condition)
}
}
return preloadDB, preloadConditions
}
// handleHasOnePreload used to preload has one associations
func (scope *Scope) handleHasOnePreload(field *Field, conditions []interface{}) {
relation := field.Relationship
// get relations's primary keys
primaryKeys := scope.getColumnAsArray(relation.AssociationForeignFieldNames, scope.Value)
if len(primaryKeys) == 0 {
return
}
// preload conditions
preloadDB, preloadConditions := scope.generatePreloadDBWithConditions(conditions)
// find relations
query := fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relation.ForeignDBNames), toQueryMarks(primaryKeys))
values := toQueryValues(primaryKeys)
if relation.PolymorphicType != "" {
query += fmt.Sprintf(" AND %v = ?", scope.Quote(relation.PolymorphicDBName))
values = append(values, relation.PolymorphicValue)
}
results := makeSlice(field.Struct.Type)
scope.Err(preloadDB.Where(query, values...).Find(results, preloadConditions...).Error)
// assign find results
var (
resultsValue = indirect(reflect.ValueOf(results))
indirectScopeValue = scope.IndirectValue()
)
if indirectScopeValue.Kind() == reflect.Slice {
foreignValuesToResults := make(map[string]reflect.Value)
for i := 0; i < resultsValue.Len(); i++ {
result := resultsValue.Index(i)
foreignValues := toString(getValueFromFields(result, relation.ForeignFieldNames))
foreignValuesToResults[foreignValues] = result
}
for j := 0; j < indirectScopeValue.Len(); j++ {
indirectValue := indirect(indirectScopeValue.Index(j))
valueString := toString(getValueFromFields(indirectValue, relation.AssociationForeignFieldNames))
if result, found := foreignValuesToResults[valueString]; found {
indirectValue.FieldByName(field.Name).Set(result)
}
}
} else {
for i := 0; i < resultsValue.Len(); i++ {
result := resultsValue.Index(i)
scope.Err(field.Set(result))
}
}
}
// handleHasManyPreload used to preload has many associations
func (scope *Scope) handleHasManyPreload(field *Field, conditions []interface{}) {
relation := field.Relationship
// get relations's primary keys
primaryKeys := scope.getColumnAsArray(relation.AssociationForeignFieldNames, scope.Value)
if len(primaryKeys) == 0 {
return
}
// preload conditions
preloadDB, preloadConditions := scope.generatePreloadDBWithConditions(conditions)
// find relations
query := fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relation.ForeignDBNames), toQueryMarks(primaryKeys))
values := toQueryValues(primaryKeys)
if relation.PolymorphicType != "" {
query += fmt.Sprintf(" AND %v = ?", scope.Quote(relation.PolymorphicDBName))
values = append(values, relation.PolymorphicValue)
}
results := makeSlice(field.Struct.Type)
scope.Err(preloadDB.Where(query, values...).Find(results, preloadConditions...).Error)
// assign find results
var (
resultsValue = indirect(reflect.ValueOf(results))
indirectScopeValue = scope.IndirectValue()
)
if indirectScopeValue.Kind() == reflect.Slice {
preloadMap := make(map[string][]reflect.Value)
for i := 0; i < resultsValue.Len(); i++ {
result := resultsValue.Index(i)
foreignValues := getValueFromFields(result, relation.ForeignFieldNames)
preloadMap[toString(foreignValues)] = append(preloadMap[toString(foreignValues)], result)
}
for j := 0; j < indirectScopeValue.Len(); j++ {
object := indirect(indirectScopeValue.Index(j))
objectRealValue := getValueFromFields(object, relation.AssociationForeignFieldNames)
f := object.FieldByName(field.Name)
if results, ok := preloadMap[toString(objectRealValue)]; ok {
f.Set(reflect.Append(f, results...))
} else {
f.Set(reflect.MakeSlice(f.Type(), 0, 0))
}
}
} else {
scope.Err(field.Set(resultsValue))
}
}
// handleBelongsToPreload used to preload belongs to associations
func (scope *Scope) handleBelongsToPreload(field *Field, conditions []interface{}) {
relation := field.Relationship
// preload conditions
preloadDB, preloadConditions := scope.generatePreloadDBWithConditions(conditions)
// get relations's primary keys
primaryKeys := scope.getColumnAsArray(relation.ForeignFieldNames, scope.Value)
if len(primaryKeys) == 0 {
return
}
// find relations
results := makeSlice(field.Struct.Type)
scope.Err(preloadDB.Where(fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, relation.AssociationForeignDBNames), toQueryMarks(primaryKeys)), toQueryValues(primaryKeys)...).Find(results, preloadConditions...).Error)
// assign find results
var (
resultsValue = indirect(reflect.ValueOf(results))
indirectScopeValue = scope.IndirectValue()
)
foreignFieldToObjects := make(map[string][]*reflect.Value)
if indirectScopeValue.Kind() == reflect.Slice {
for j := 0; j < indirectScopeValue.Len(); j++ {
object := indirect(indirectScopeValue.Index(j))
valueString := toString(getValueFromFields(object, relation.ForeignFieldNames))
foreignFieldToObjects[valueString] = append(foreignFieldToObjects[valueString], &object)
}
}
for i := 0; i < resultsValue.Len(); i++ {
result := resultsValue.Index(i)
if indirectScopeValue.Kind() == reflect.Slice {
valueString := toString(getValueFromFields(result, relation.AssociationForeignFieldNames))
if objects, found := foreignFieldToObjects[valueString]; found {
for _, object := range objects {
object.FieldByName(field.Name).Set(result)
}
}
} else {
scope.Err(field.Set(result))
}
}
}
// handleManyToManyPreload used to preload many to many associations
func (scope *Scope) handleManyToManyPreload(field *Field, conditions []interface{}) {
var (
relation = field.Relationship
joinTableHandler = relation.JoinTableHandler
fieldType = field.Struct.Type.Elem()
foreignKeyValue interface{}
foreignKeyType = reflect.ValueOf(&foreignKeyValue).Type()
linkHash = map[string][]reflect.Value{}
isPtr bool
)
if fieldType.Kind() == reflect.Ptr {
isPtr = true
fieldType = fieldType.Elem()
}
var sourceKeys = []string{}
for _, key := range joinTableHandler.SourceForeignKeys() {
sourceKeys = append(sourceKeys, key.DBName)
}
// preload conditions
preloadDB, preloadConditions := scope.generatePreloadDBWithConditions(conditions)
// generate query with join table
newScope := scope.New(reflect.New(fieldType).Interface())
preloadDB = preloadDB.Table(newScope.TableName()).Model(newScope.Value)
if len(preloadDB.search.selects) == 0 {
preloadDB = preloadDB.Select("*")
}
preloadDB = joinTableHandler.JoinWith(joinTableHandler, preloadDB, scope.Value)
// preload inline conditions
if len(preloadConditions) > 0 {
preloadDB = preloadDB.Where(preloadConditions[0], preloadConditions[1:]...)
}
rows, err := preloadDB.Rows()
if scope.Err(err) != nil {
return
}
defer rows.Close()
columns, _ := rows.Columns()
for rows.Next() {
var (
elem = reflect.New(fieldType).Elem()
fields = scope.New(elem.Addr().Interface()).Fields()
)
// register foreign keys in join tables
var joinTableFields []*Field
for _, sourceKey := range sourceKeys {
joinTableFields = append(joinTableFields, &Field{StructField: &StructField{DBName: sourceKey, IsNormal: true}, Field: reflect.New(foreignKeyType).Elem()})
}
scope.scan(rows, columns, append(fields, joinTableFields...))
scope.New(elem.Addr().Interface()).
InstanceSet("gorm:skip_query_callback", true).
callCallbacks(scope.db.parent.callbacks.queries)
var foreignKeys = make([]interface{}, len(sourceKeys))
// generate hashed forkey keys in join table
for idx, joinTableField := range joinTableFields {
if !joinTableField.Field.IsNil() {
foreignKeys[idx] = joinTableField.Field.Elem().Interface()
}
}
hashedSourceKeys := toString(foreignKeys)
if isPtr {
linkHash[hashedSourceKeys] = append(linkHash[hashedSourceKeys], elem.Addr())
} else {
linkHash[hashedSourceKeys] = append(linkHash[hashedSourceKeys], elem)
}
}
if err := rows.Err(); err != nil {
scope.Err(err)
}
// assign find results
var (
indirectScopeValue = scope.IndirectValue()
fieldsSourceMap = map[string][]reflect.Value{}
foreignFieldNames = []string{}
)
for _, dbName := range relation.ForeignFieldNames {
if field, ok := scope.FieldByName(dbName); ok {
foreignFieldNames = append(foreignFieldNames, field.Name)
}
}
if indirectScopeValue.Kind() == reflect.Slice {
for j := 0; j < indirectScopeValue.Len(); j++ {
object := indirect(indirectScopeValue.Index(j))
key := toString(getValueFromFields(object, foreignFieldNames))
fieldsSourceMap[key] = append(fieldsSourceMap[key], object.FieldByName(field.Name))
}
} else if indirectScopeValue.IsValid() {
key := toString(getValueFromFields(indirectScopeValue, foreignFieldNames))
fieldsSourceMap[key] = append(fieldsSourceMap[key], indirectScopeValue.FieldByName(field.Name))
}
for source, fields := range fieldsSourceMap {
for _, f := range fields {
//If not 0 this means Value is a pointer and we already added preloaded models to it
if f.Len() != 0 {
continue
}
v := reflect.MakeSlice(f.Type(), 0, 0)
if len(linkHash[source]) > 0 {
v = reflect.Append(f, linkHash[source]...)
}
f.Set(v)
}
}
}

41
callback_row_query.go
View File

@ -1,41 +0,0 @@
package gorm
import (
"database/sql"
"fmt"
)
// Define callbacks for row query
func init() {
DefaultCallback.RowQuery().Register("gorm:row_query", rowQueryCallback)
}
type RowQueryResult struct {
Row *sql.Row
}
type RowsQueryResult struct {
Rows *sql.Rows
Error error
}
// queryCallback used to query data from database
func rowQueryCallback(scope *Scope) {
if result, ok := scope.InstanceGet("row_query_result"); ok {
scope.prepareQuerySQL()
if str, ok := scope.Get("gorm:query_hint"); ok {
scope.SQL = fmt.Sprint(str) + scope.SQL
}
if str, ok := scope.Get("gorm:query_option"); ok {
scope.SQL += addExtraSpaceIfExist(fmt.Sprint(str))
}
if rowResult, ok := result.(*RowQueryResult); ok {
rowResult.Row = scope.SQLDB().QueryRow(scope.SQL, scope.SQLVars...)
} else if rowsResult, ok := result.(*RowsQueryResult); ok {
rowsResult.Rows, rowsResult.Error = scope.SQLDB().Query(scope.SQL, scope.SQLVars...)
}
}
}

170
callback_save.go
View File

@ -1,170 +0,0 @@
package gorm
import (
"reflect"
"strings"
)
func beginTransactionCallback(scope *Scope) {
scope.Begin()
}
func commitOrRollbackTransactionCallback(scope *Scope) {
scope.CommitOrRollback()
}
func saveAssociationCheck(scope *Scope, field *Field) (autoUpdate bool, autoCreate bool, saveReference bool, r *Relationship) {
checkTruth := func(value interface{}) bool {
if v, ok := value.(bool); ok && !v {
return false
}
if v, ok := value.(string); ok {
v = strings.ToLower(v)
return v == "true"
}
return true
}
if scope.changeableField(field) && !field.IsBlank && !field.IsIgnored {
if r = field.Relationship; r != nil {
autoUpdate, autoCreate, saveReference = true, true, true
if value, ok := scope.Get("gorm:save_associations"); ok {
autoUpdate = checkTruth(value)
autoCreate = autoUpdate
saveReference = autoUpdate
} else if value, ok := field.TagSettingsGet("SAVE_ASSOCIATIONS"); ok {
autoUpdate = checkTruth(value)
autoCreate = autoUpdate
saveReference = autoUpdate
}
if value, ok := scope.Get("gorm:association_autoupdate"); ok {
autoUpdate = checkTruth(value)
} else if value, ok := field.TagSettingsGet("ASSOCIATION_AUTOUPDATE"); ok {
autoUpdate = checkTruth(value)
}
if value, ok := scope.Get("gorm:association_autocreate"); ok {
autoCreate = checkTruth(value)
} else if value, ok := field.TagSettingsGet("ASSOCIATION_AUTOCREATE"); ok {
autoCreate = checkTruth(value)
}
if value, ok := scope.Get("gorm:association_save_reference"); ok {
saveReference = checkTruth(value)
} else if value, ok := field.TagSettingsGet("ASSOCIATION_SAVE_REFERENCE"); ok {
saveReference = checkTruth(value)
}
}
}
return
}
func saveBeforeAssociationsCallback(scope *Scope) {
for _, field := range scope.Fields() {
autoUpdate, autoCreate, saveReference, relationship := saveAssociationCheck(scope, field)
if relationship != nil && relationship.Kind == "belongs_to" {
fieldValue := field.Field.Addr().Interface()
newScope := scope.New(fieldValue)
if newScope.PrimaryKeyZero() {
if autoCreate {
scope.Err(scope.NewDB().Save(fieldValue).Error)
}
} else if autoUpdate {
scope.Err(scope.NewDB().Save(fieldValue).Error)
}
if saveReference {
if len(relationship.ForeignFieldNames) != 0 {
// set value's foreign key
for idx, fieldName := range relationship.ForeignFieldNames {
associationForeignName := relationship.AssociationForeignDBNames[idx]
if foreignField, ok := scope.New(fieldValue).FieldByName(associationForeignName); ok {
scope.Err(scope.SetColumn(fieldName, foreignField.Field.Interface()))
}
}
}
}
}
}
}
func saveAfterAssociationsCallback(scope *Scope) {
for _, field := range scope.Fields() {
autoUpdate, autoCreate, saveReference, relationship := saveAssociationCheck(scope, field)
if relationship != nil && (relationship.Kind == "has_one" || relationship.Kind == "has_many" || relationship.Kind == "many_to_many") {
value := field.Field
switch value.Kind() {
case reflect.Slice:
for i := 0; i < value.Len(); i++ {
newDB := scope.NewDB()
elem := value.Index(i).Addr().Interface()
newScope := newDB.NewScope(elem)
if saveReference {
if relationship.JoinTableHandler == nil && len(relationship.ForeignFieldNames) != 0 {
for idx, fieldName := range relationship.ForeignFieldNames {
associationForeignName := relationship.AssociationForeignDBNames[idx]
if f, ok := scope.FieldByName(associationForeignName); ok {
scope.Err(newScope.SetColumn(fieldName, f.Field.Interface()))
}
}
}
if relationship.PolymorphicType != "" {
scope.Err(newScope.SetColumn(relationship.PolymorphicType, relationship.PolymorphicValue))
}
}
if newScope.PrimaryKeyZero() {
if autoCreate {
scope.Err(newDB.Save(elem).Error)
}
} else if autoUpdate {
scope.Err(newDB.Save(elem).Error)
}
if !scope.New(newScope.Value).PrimaryKeyZero() && saveReference {
if joinTableHandler := relationship.JoinTableHandler; joinTableHandler != nil {
scope.Err(joinTableHandler.Add(joinTableHandler, newDB, scope.Value, newScope.Value))
}
}
}
default:
elem := value.Addr().Interface()
newScope := scope.New(elem)
if saveReference {
if len(relationship.ForeignFieldNames) != 0 {
for idx, fieldName := range relationship.ForeignFieldNames {
associationForeignName := relationship.AssociationForeignDBNames[idx]
if f, ok := scope.FieldByName(associationForeignName); ok {
scope.Err(newScope.SetColumn(fieldName, f.Field.Interface()))
}
}
}
if relationship.PolymorphicType != "" {
scope.Err(newScope.SetColumn(relationship.PolymorphicType, relationship.PolymorphicValue))
}
}
if newScope.PrimaryKeyZero() {
if autoCreate {
scope.Err(scope.NewDB().Save(elem).Error)
}
} else if autoUpdate {
scope.Err(scope.NewDB().Save(elem).Error)
}
}
}
}
}

112
callback_system_test.go
View File

@ -1,112 +0,0 @@
package gorm
import (
"reflect"
"runtime"
"strings"
"testing"
)
func equalFuncs(funcs []*func(s *Scope), fnames []string) bool {
var names []string
for _, f := range funcs {
fnames := strings.Split(runtime.FuncForPC(reflect.ValueOf(*f).Pointer()).Name(), ".")
names = append(names, fnames[len(fnames)-1])
}
return reflect.DeepEqual(names, fnames)
}
func create(s *Scope) {}
func beforeCreate1(s *Scope) {}
func beforeCreate2(s *Scope) {}
func afterCreate1(s *Scope) {}
func afterCreate2(s *Scope) {}
func TestRegisterCallback(t *testing.T) {
var callback = &Callback{logger: defaultLogger}
callback.Create().Register("before_create1", beforeCreate1)
callback.Create().Register("before_create2", beforeCreate2)
callback.Create().Register("create", create)
callback.Create().Register("after_create1", afterCreate1)
callback.Create().Register("after_create2", afterCreate2)
if !equalFuncs(callback.creates, []string{"beforeCreate1", "beforeCreate2", "create", "afterCreate1", "afterCreate2"}) {
t.Errorf("register callback")
}
}
func TestRegisterCallbackWithOrder(t *testing.T) {
var callback1 = &Callback{logger: defaultLogger}
callback1.Create().Register("before_create1", beforeCreate1)
callback1.Create().Register("create", create)
callback1.Create().Register("after_create1", afterCreate1)
callback1.Create().Before("after_create1").Register("after_create2", afterCreate2)
if !equalFuncs(callback1.creates, []string{"beforeCreate1", "create", "afterCreate2", "afterCreate1"}) {
t.Errorf("register callback with order")
}
var callback2 = &Callback{logger: defaultLogger}
callback2.Update().Register("create", create)
callback2.Update().Before("create").Register("before_create1", beforeCreate1)
callback2.Update().After("after_create2").Register("after_create1", afterCreate1)
callback2.Update().Before("before_create1").Register("before_create2", beforeCreate2)
callback2.Update().Register("after_create2", afterCreate2)
if !equalFuncs(callback2.updates, []string{"beforeCreate2", "beforeCreate1", "create", "afterCreate2", "afterCreate1"}) {
t.Errorf("register callback with order")
}
}
func TestRegisterCallbackWithComplexOrder(t *testing.T) {
var callback1 = &Callback{logger: defaultLogger}
callback1.Query().Before("after_create1").After("before_create1").Register("create", create)
callback1.Query().Register("before_create1", beforeCreate1)
callback1.Query().Register("after_create1", afterCreate1)
if !equalFuncs(callback1.queries, []string{"beforeCreate1", "create", "afterCreate1"}) {
t.Errorf("register callback with order")
}
var callback2 = &Callback{logger: defaultLogger}
callback2.Delete().Before("after_create1").After("before_create1").Register("create", create)
callback2.Delete().Before("create").Register("before_create1", beforeCreate1)
callback2.Delete().After("before_create1").Register("before_create2", beforeCreate2)
callback2.Delete().Register("after_create1", afterCreate1)
callback2.Delete().After("after_create1").Register("after_create2", afterCreate2)
if !equalFuncs(callback2.deletes, []string{"beforeCreate1", "beforeCreate2", "create", "afterCreate1", "afterCreate2"}) {
t.Errorf("register callback with order")
}
}
func replaceCreate(s *Scope) {}
func TestReplaceCallback(t *testing.T) {
var callback = &Callback{logger: defaultLogger}
callback.Create().Before("after_create1").After("before_create1").Register("create", create)
callback.Create().Register("before_create1", beforeCreate1)
callback.Create().Register("after_create1", afterCreate1)
callback.Create().Replace("create", replaceCreate)
if !equalFuncs(callback.creates, []string{"beforeCreate1", "replaceCreate", "afterCreate1"}) {
t.Errorf("replace callback")
}
}
func TestRemoveCallback(t *testing.T) {
var callback = &Callback{logger: defaultLogger}
callback.Create().Before("after_create1").After("before_create1").Register("create", create)
callback.Create().Register("before_create1", beforeCreate1)
callback.Create().Register("after_create1", afterCreate1)
callback.Create().Remove("create")
if !equalFuncs(callback.creates, []string{"beforeCreate1", "afterCreate1"}) {
t.Errorf("remove callback")
}
}

121
callback_update.go
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@ -1,121 +0,0 @@
package gorm
import (
"errors"
"fmt"
"sort"
"strings"
)
// Define callbacks for updating
func init() {
DefaultCallback.Update().Register("gorm:assign_updating_attributes", assignUpdatingAttributesCallback)
DefaultCallback.Update().Register("gorm:begin_transaction", beginTransactionCallback)
DefaultCallback.Update().Register("gorm:before_update", beforeUpdateCallback)
DefaultCallback.Update().Register("gorm:save_before_associations", saveBeforeAssociationsCallback)
DefaultCallback.Update().Register("gorm:update_time_stamp", updateTimeStampForUpdateCallback)
DefaultCallback.Update().Register("gorm:update", updateCallback)
DefaultCallback.Update().Register("gorm:save_after_associations", saveAfterAssociationsCallback)
DefaultCallback.Update().Register("gorm:after_update", afterUpdateCallback)
DefaultCallback.Update().Register("gorm:commit_or_rollback_transaction", commitOrRollbackTransactionCallback)
}
// assignUpdatingAttributesCallback assign updating attributes to model
func assignUpdatingAttributesCallback(scope *Scope) {
if attrs, ok := scope.InstanceGet("gorm:update_interface"); ok {
if updateMaps, hasUpdate := scope.updatedAttrsWithValues(attrs); hasUpdate {
scope.InstanceSet("gorm:update_attrs", updateMaps)
} else {
scope.SkipLeft()
}
}
}
// beforeUpdateCallback will invoke `BeforeSave`, `BeforeUpdate` method before updating
func beforeUpdateCallback(scope *Scope) {
if scope.DB().HasBlockGlobalUpdate() && !scope.hasConditions() {
scope.Err(errors.New("missing WHERE clause while updating"))
return
}
if _, ok := scope.Get("gorm:update_column"); !ok {
if !scope.HasError() {
scope.CallMethod("BeforeSave")
}
if !scope.HasError() {
scope.CallMethod("BeforeUpdate")
}
}
}
// updateTimeStampForUpdateCallback will set `UpdatedAt` when updating
func updateTimeStampForUpdateCallback(scope *Scope) {
if _, ok := scope.Get("gorm:update_column"); !ok {
scope.SetColumn("UpdatedAt", scope.db.nowFunc())
}
}
// updateCallback the callback used to update data to database
func updateCallback(scope *Scope) {
if !scope.HasError() {
var sqls []string
if updateAttrs, ok := scope.InstanceGet("gorm:update_attrs"); ok {
// Sort the column names so that the generated SQL is the same every time.
updateMap := updateAttrs.(map[string]interface{})
var columns []string
for c := range updateMap {
columns = append(columns, c)
}
sort.Strings(columns)
for _, column := range columns {
value := updateMap[column]
sqls = append(sqls, fmt.Sprintf("%v = %v", scope.Quote(column), scope.AddToVars(value)))
}
} else {
for _, field := range scope.Fields() {
if scope.changeableField(field) {
if !field.IsPrimaryKey && field.IsNormal && (field.Name != "CreatedAt" || !field.IsBlank) {
if !field.IsForeignKey || !field.IsBlank || !field.HasDefaultValue {
sqls = append(sqls, fmt.Sprintf("%v = %v", scope.Quote(field.DBName), scope.AddToVars(field.Field.Interface())))
}
} else if relationship := field.Relationship; relationship != nil && relationship.Kind == "belongs_to" {
for _, foreignKey := range relationship.ForeignDBNames {
if foreignField, ok := scope.FieldByName(foreignKey); ok && !scope.changeableField(foreignField) {
sqls = append(sqls,
fmt.Sprintf("%v = %v", scope.Quote(foreignField.DBName), scope.AddToVars(foreignField.Field.Interface())))
}
}
}
}
}
}
var extraOption string
if str, ok := scope.Get("gorm:update_option"); ok {
extraOption = fmt.Sprint(str)
}
if len(sqls) > 0 {
scope.Raw(fmt.Sprintf(
"UPDATE %v SET %v%v%v",
scope.QuotedTableName(),
strings.Join(sqls, ", "),
addExtraSpaceIfExist(scope.CombinedConditionSql()),
addExtraSpaceIfExist(extraOption),
)).Exec()
}
}
}
// afterUpdateCallback will invoke `AfterUpdate`, `AfterSave` method after updating
func afterUpdateCallback(scope *Scope) {
if _, ok := scope.Get("gorm:update_column"); !ok {
if !scope.HasError() {
scope.CallMethod("AfterUpdate")
}
if !scope.HasError() {
scope.CallMethod("AfterSave")
}
}
}

249
callbacks_test.go
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@ -1,249 +0,0 @@
package gorm_test
import (
"errors"
"reflect"
"testing"
"github.com/jinzhu/gorm"
)
func (s *Product) BeforeCreate() (err error) {
if s.Code == "Invalid" {
err = errors.New("invalid product")
}
s.BeforeCreateCallTimes = s.BeforeCreateCallTimes + 1
return
}
func (s *Product) BeforeUpdate() (err error) {
if s.Code == "dont_update" {
err = errors.New("can't update")
}
s.BeforeUpdateCallTimes = s.BeforeUpdateCallTimes + 1
return
}
func (s *Product) BeforeSave() (err error) {
if s.Code == "dont_save" {
err = errors.New("can't save")
}
s.BeforeSaveCallTimes = s.BeforeSaveCallTimes + 1
return
}
func (s *Product) AfterFind() {
s.AfterFindCallTimes = s.AfterFindCallTimes + 1
}
func (s *Product) AfterCreate(tx *gorm.DB) {
tx.Model(s).UpdateColumn(Product{AfterCreateCallTimes: s.AfterCreateCallTimes + 1})
}
func (s *Product) AfterUpdate() {
s.AfterUpdateCallTimes = s.AfterUpdateCallTimes + 1
}
func (s *Product) AfterSave() (err error) {
if s.Code == "after_save_error" {
err = errors.New("can't save")
}
s.AfterSaveCallTimes = s.AfterSaveCallTimes + 1
return
}
func (s *Product) BeforeDelete() (err error) {
if s.Code == "dont_delete" {
err = errors.New("can't delete")
}
s.BeforeDeleteCallTimes = s.BeforeDeleteCallTimes + 1
return
}
func (s *Product) AfterDelete() (err error) {
if s.Code == "after_delete_error" {
err = errors.New("can't delete")
}
s.AfterDeleteCallTimes = s.AfterDeleteCallTimes + 1
return
}
func (s *Product) GetCallTimes() []int64 {
return []int64{s.BeforeCreateCallTimes, s.BeforeSaveCallTimes, s.BeforeUpdateCallTimes, s.AfterCreateCallTimes, s.AfterSaveCallTimes, s.AfterUpdateCallTimes, s.BeforeDeleteCallTimes, s.AfterDeleteCallTimes, s.AfterFindCallTimes}
}
func TestRunCallbacks(t *testing.T) {
p := Product{Code: "unique_code", Price: 100}
DB.Save(&p)
if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 1, 0, 1, 1, 0, 0, 0, 0}) {
t.Errorf("Callbacks should be invoked successfully, %v", p.GetCallTimes())
}
DB.Where("Code = ?", "unique_code").First(&p)
if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 1, 0, 1, 0, 0, 0, 0, 1}) {
t.Errorf("After callbacks values are not saved, %v", p.GetCallTimes())
}
p.Price = 200
DB.Save(&p)
if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 2, 1, 1, 1, 1, 0, 0, 1}) {
t.Errorf("After update callbacks should be invoked successfully, %v", p.GetCallTimes())
}
var products []Product
DB.Find(&products, "code = ?", "unique_code")
if products[0].AfterFindCallTimes != 2 {
t.Errorf("AfterFind callbacks should work with slice")
}
DB.Where("Code = ?", "unique_code").First(&p)
if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 2, 1, 1, 0, 0, 0, 0, 2}) {
t.Errorf("After update callbacks values are not saved, %v", p.GetCallTimes())
}
DB.Delete(&p)
if !reflect.DeepEqual(p.GetCallTimes(), []int64{1, 2, 1, 1, 0, 0, 1, 1, 2}) {
t.Errorf("After delete callbacks should be invoked successfully, %v", p.GetCallTimes())
}
if DB.Where("Code = ?", "unique_code").First(&p).Error == nil {
t.Errorf("Can't find a deleted record")
}
}
func TestCallbacksWithErrors(t *testing.T) {
p := Product{Code: "Invalid", Price: 100}
if DB.Save(&p).Error == nil {
t.Errorf("An error from before create callbacks happened when create with invalid value")
}
if DB.Where("code = ?", "Invalid").First(&Product{}).Error == nil {
t.Errorf("Should not save record that have errors")
}
if DB.Save(&Product{Code: "dont_save", Price: 100}).Error == nil {
t.Errorf("An error from after create callbacks happened when create with invalid value")
}
p2 := Product{Code: "update_callback", Price: 100}
DB.Save(&p2)
p2.Code = "dont_update"
if DB.Save(&p2).Error == nil {
t.Errorf("An error from before update callbacks happened when update with invalid value")
}
if DB.Where("code = ?", "update_callback").First(&Product{}).Error != nil {
t.Errorf("Record Should not be updated due to errors happened in before update callback")
}
if DB.Where("code = ?", "dont_update").First(&Product{}).Error == nil {
t.Errorf("Record Should not be updated due to errors happened in before update callback")
}
p2.Code = "dont_save"
if DB.Save(&p2).Error == nil {
t.Errorf("An error from before save callbacks happened when update with invalid value")
}
p3 := Product{Code: "dont_delete", Price: 100}
DB.Save(&p3)
if DB.Delete(&p3).Error == nil {
t.Errorf("An error from before delete callbacks happened when delete")
}
if DB.Where("Code = ?", "dont_delete").First(&p3).Error != nil {
t.Errorf("An error from before delete callbacks happened")
}
p4 := Product{Code: "after_save_error", Price: 100}
DB.Save(&p4)
if err := DB.First(&Product{}, "code = ?", "after_save_error").Error; err == nil {
t.Errorf("Record should be reverted if get an error in after save callback")
}
p5 := Product{Code: "after_delete_error", Price: 100}
DB.Save(&p5)
if err := DB.First(&Product{}, "code = ?", "after_delete_error").Error; err != nil {
t.Errorf("Record should be found")
}
DB.Delete(&p5)
if err := DB.First(&Product{}, "code = ?", "after_delete_error").Error; err != nil {
t.Errorf("Record shouldn't be deleted because of an error happened in after delete callback")
}
}
func TestGetCallback(t *testing.T) {
scope := DB.NewScope(nil)
if DB.Callback().Create().Get("gorm:test_callback") != nil {
t.Errorf("`gorm:test_callback` should be nil")
}
DB.Callback().Create().Register("gorm:test_callback", func(scope *gorm.Scope) { scope.Set("gorm:test_callback_value", 1) })
callback := DB.Callback().Create().Get("gorm:test_callback")
if callback == nil {
t.Errorf("`gorm:test_callback` should be non-nil")
}
callback(scope)
if v, ok := scope.Get("gorm:test_callback_value"); !ok || v != 1 {
t.Errorf("`gorm:test_callback_value` should be `1, true` but `%v, %v`", v, ok)
}
DB.Callback().Create().Replace("gorm:test_callback", func(scope *gorm.Scope) { scope.Set("gorm:test_callback_value", 2) })
callback = DB.Callback().Create().Get("gorm:test_callback")
if callback == nil {
t.Errorf("`gorm:test_callback` should be non-nil")
}
callback(scope)
if v, ok := scope.Get("gorm:test_callback_value"); !ok || v != 2 {
t.Errorf("`gorm:test_callback_value` should be `2, true` but `%v, %v`", v, ok)
}
DB.Callback().Create().Remove("gorm:test_callback")
if DB.Callback().Create().Get("gorm:test_callback") != nil {
t.Errorf("`gorm:test_callback` should be nil")
}
DB.Callback().Create().Register("gorm:test_callback", func(scope *gorm.Scope) { scope.Set("gorm:test_callback_value", 3) })
callback = DB.Callback().Create().Get("gorm:test_callback")
if callback == nil {
t.Errorf("`gorm:test_callback` should be non-nil")
}
callback(scope)
if v, ok := scope.Get("gorm:test_callback_value"); !ok || v != 3 {
t.Errorf("`gorm:test_callback_value` should be `3, true` but `%v, %v`", v, ok)
}
}
func TestUseDefaultCallback(t *testing.T) {
createCallbackName := "gorm:test_use_default_callback_for_create"
gorm.DefaultCallback.Create().Register(createCallbackName, func(*gorm.Scope) {
// nop
})
if gorm.DefaultCallback.Create().Get(createCallbackName) == nil {
t.Errorf("`%s` expected non-nil, but got nil", createCallbackName)
}
gorm.DefaultCallback.Create().Remove(createCallbackName)
if gorm.DefaultCallback.Create().Get(createCallbackName) != nil {
t.Errorf("`%s` expected nil, but got non-nil", createCallbackName)
}
updateCallbackName := "gorm:test_use_default_callback_for_update"
scopeValueName := "gorm:test_use_default_callback_for_update_value"
gorm.DefaultCallback.Update().Register(updateCallbackName, func(scope *gorm.Scope) {
scope.Set(scopeValueName, 1)
})
gorm.DefaultCallback.Update().Replace(updateCallbackName, func(scope *gorm.Scope) {
scope.Set(scopeValueName, 2)
})
scope := DB.NewScope(nil)
callback := gorm.DefaultCallback.Update().Get(updateCallbackName)
callback(scope)
if v, ok := scope.Get(scopeValueName); !ok || v != 2 {
t.Errorf("`%s` should be `2, true` but `%v, %v`", scopeValueName, v, ok)
}
}

288
create_test.go
View File

@ -1,288 +0,0 @@
package gorm_test
import (
"os"
"reflect"
"testing"
"time"
"github.com/jinzhu/now"
)
func TestCreate(t *testing.T) {
float := 35.03554004971999
now := time.Now()
user := User{Name: "CreateUser", Age: 18, Birthday: &now, UserNum: Num(111), PasswordHash: []byte{'f', 'a', 'k', '4'}, Latitude: float}
if !DB.NewRecord(user) || !DB.NewRecord(&user) {
t.Error("User should be new record before create")
}
if count := DB.Save(&user).RowsAffected; count != 1 {
t.Error("There should be one record be affected when create record")
}
if DB.NewRecord(user) || DB.NewRecord(&user) {
t.Error("User should not new record after save")
}
var newUser User
if err := DB.First(&newUser, user.Id).Error; err != nil {
t.Errorf("No error should happen, but got %v", err)
}
if !reflect.DeepEqual(newUser.PasswordHash, []byte{'f', 'a', 'k', '4'}) {
t.Errorf("User's PasswordHash should be saved ([]byte)")
}
if newUser.Age != 18 {
t.Errorf("User's Age should be saved (int)")
}
if newUser.UserNum != Num(111) {
t.Errorf("User's UserNum should be saved (custom type), but got %v", newUser.UserNum)
}
if newUser.Latitude != float {
t.Errorf("Float64 should not be changed after save")
}
if user.CreatedAt.IsZero() {
t.Errorf("Should have created_at after create")
}
if newUser.CreatedAt.IsZero() {
t.Errorf("Should have created_at after create")
}
DB.Model(user).Update("name", "create_user_new_name")
DB.First(&user, user.Id)
if user.CreatedAt.Format(time.RFC3339Nano) != newUser.CreatedAt.Format(time.RFC3339Nano) {
t.Errorf("CreatedAt should not be changed after update")
}
}
func TestCreateEmptyStrut(t *testing.T) {
type EmptyStruct struct {
ID uint
}
DB.AutoMigrate(&EmptyStruct{})
if err := DB.Create(&EmptyStruct{}).Error; err != nil {
t.Errorf("No error should happen when creating user, but got %v", err)
}
}
func TestCreateWithExistingTimestamp(t *testing.T) {
user := User{Name: "CreateUserExistingTimestamp"}
timeA := now.MustParse("2016-01-01")
user.CreatedAt = timeA
user.UpdatedAt = timeA
DB.Save(&user)
if user.CreatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("CreatedAt should not be changed")
}
if user.UpdatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("UpdatedAt should not be changed")
}
var newUser User
DB.First(&newUser, user.Id)
if newUser.CreatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("CreatedAt should not be changed")
}
if newUser.UpdatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("UpdatedAt should not be changed")
}
}
func TestCreateWithNowFuncOverride(t *testing.T) {
user1 := User{Name: "CreateUserTimestampOverride"}
timeA := now.MustParse("2016-01-01")
// do DB.New() because we don't want this test to affect other tests
db1 := DB.New()
// set the override to use static timeA
db1.SetNowFuncOverride(func() time.Time {
return timeA
})
// call .New again to check the override is carried over as well during clone
db1 = db1.New()
db1.Save(&user1)
if user1.CreatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("CreatedAt be using the nowFuncOverride")
}
if user1.UpdatedAt.UTC().Format(time.RFC3339) != timeA.UTC().Format(time.RFC3339) {
t.Errorf("UpdatedAt be using the nowFuncOverride")
}
// now create another user with a fresh DB.Now() that doesn't have the nowFuncOverride set
// to make sure that setting it only affected the above instance
user2 := User{Name: "CreateUserTimestampOverrideNoMore"}
db2 := DB.New()
db2.Save(&user2)
if user2.CreatedAt.UTC().Format(time.RFC3339) == timeA.UTC().Format(time.RFC3339) {
t.Errorf("CreatedAt no longer be using the nowFuncOverride")
}
if user2.UpdatedAt.UTC().Format(time.RFC3339) == timeA.UTC().Format(time.RFC3339) {
t.Errorf("UpdatedAt no longer be using the nowFuncOverride")
}
}
type AutoIncrementUser struct {
User
Sequence uint `gorm:"AUTO_INCREMENT"`
}
func TestCreateWithAutoIncrement(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "postgres" {
t.Skip("Skipping this because only postgres properly support auto_increment on a non-primary_key column")
}
DB.AutoMigrate(&AutoIncrementUser{})
user1 := AutoIncrementUser{}
user2 := AutoIncrementUser{}
DB.Create(&user1)
DB.Create(&user2)
if user2.Sequence-user1.Sequence != 1 {
t.Errorf("Auto increment should apply on Sequence")
}
}
func TestCreateWithNoGORMPrimayKey(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect == "mssql" {
t.Skip("Skipping this because MSSQL will return identity only if the table has an Id column")
}
jt := JoinTable{From: 1, To: 2}
err := DB.Create(&jt).Error
if err != nil {
t.Errorf("No error should happen when create a record without a GORM primary key. But in the database this primary key exists and is the union of 2 or more fields\n But got: %s", err)
}
}
func TestCreateWithNoStdPrimaryKeyAndDefaultValues(t *testing.T) {
animal := Animal{Name: "Ferdinand"}
if DB.Save(&animal).Error != nil {
t.Errorf("No error should happen when create a record without std primary key")
}
if animal.Counter == 0 {
t.Errorf("No std primary key should be filled value after create")
}
if animal.Name != "Ferdinand" {
t.Errorf("Default value should be overrided")
}
// Test create with default value not overrided
an := Animal{From: "nerdz"}
if DB.Save(&an).Error != nil {
t.Errorf("No error should happen when create an record without std primary key")
}
// We must fetch the value again, to have the default fields updated
// (We can't do this in the update statements, since sql default can be expressions
// And be different from the fields' type (eg. a time.Time fields has a default value of "now()"
DB.Model(Animal{}).Where(&Animal{Counter: an.Counter}).First(&an)
if an.Name != "galeone" {
t.Errorf("Default value should fill the field. But got %v", an.Name)
}
}
func TestAnonymousScanner(t *testing.T) {
user := User{Name: "anonymous_scanner", Role: Role{Name: "admin"}}
DB.Save(&user)
var user2 User
DB.First(&user2, "name = ?", "anonymous_scanner")
if user2.Role.Name != "admin" {
t.Errorf("Should be able to get anonymous scanner")
}
if !user2.Role.IsAdmin() {
t.Errorf("Should be able to get anonymous scanner")
}
}
func TestAnonymousField(t *testing.T) {
user := User{Name: "anonymous_field", Company: Company{Name: "company"}}
DB.Save(&user)
var user2 User
DB.First(&user2, "name = ?", "anonymous_field")
DB.Model(&user2).Related(&user2.Company)
if user2.Company.Name != "company" {
t.Errorf("Should be able to get anonymous field")
}
}
func TestSelectWithCreate(t *testing.T) {
user := getPreparedUser("select_user", "select_with_create")
DB.Select("Name", "BillingAddress", "CreditCard", "Company", "Emails").Create(user)
var queryuser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryuser, user.Id)
if queryuser.Name != user.Name || queryuser.Age == user.Age {
t.Errorf("Should only create users with name column")
}
if queryuser.BillingAddressID.Int64 == 0 || queryuser.ShippingAddressId != 0 ||
queryuser.CreditCard.ID == 0 || len(queryuser.Emails) == 0 {
t.Errorf("Should only create selected relationships")
}
}
func TestOmitWithCreate(t *testing.T) {
user := getPreparedUser("omit_user", "omit_with_create")
DB.Omit("Name", "BillingAddress", "CreditCard", "Company", "Emails").Create(user)
var queryuser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryuser, user.Id)
if queryuser.Name == user.Name || queryuser.Age != user.Age {
t.Errorf("Should only create users with age column")
}
if queryuser.BillingAddressID.Int64 != 0 || queryuser.ShippingAddressId == 0 ||
queryuser.CreditCard.ID != 0 || len(queryuser.Emails) != 0 {
t.Errorf("Should not create omitted relationships")
}
}
func TestCreateIgnore(t *testing.T) {
float := 35.03554004971999
now := time.Now()
user := User{Name: "CreateUser", Age: 18, Birthday: &now, UserNum: Num(111), PasswordHash: []byte{'f', 'a', 'k', '4'}, Latitude: float}
if !DB.NewRecord(user) || !DB.NewRecord(&user) {
t.Error("User should be new record before create")
}
if count := DB.Create(&user).RowsAffected; count != 1 {
t.Error("There should be one record be affected when create record")
}
if DB.Dialect().GetName() == "mysql" && DB.Set("gorm:insert_modifier", "IGNORE").Create(&user).Error != nil {
t.Error("Should ignore duplicate user insert by insert modifier:IGNORE ")
}
}

357
customize_column_test.go
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@ -1,357 +0,0 @@
package gorm_test
import (
"testing"
"time"
"github.com/jinzhu/gorm"
)
type CustomizeColumn struct {
ID int64 `gorm:"column:mapped_id; primary_key:yes"`
Name string `gorm:"column:mapped_name"`
Date *time.Time `gorm:"column:mapped_time"`
}
// Make sure an ignored field does not interfere with another field's custom
// column name that matches the ignored field.
type CustomColumnAndIgnoredFieldClash struct {
Body string `sql:"-"`
RawBody string `gorm:"column:body"`
}
func TestCustomizeColumn(t *testing.T) {
col := "mapped_name"
DB.DropTable(&CustomizeColumn{})
DB.AutoMigrate(&CustomizeColumn{})
scope := DB.NewScope(&CustomizeColumn{})
if !scope.Dialect().HasColumn(scope.TableName(), col) {
t.Errorf("CustomizeColumn should have column %s", col)
}
col = "mapped_id"
if scope.PrimaryKey() != col {
t.Errorf("CustomizeColumn should have primary key %s, but got %q", col, scope.PrimaryKey())
}
expected := "foo"
now := time.Now()
cc := CustomizeColumn{ID: 666, Name: expected, Date: &now}
if count := DB.Create(&cc).RowsAffected; count != 1 {
t.Error("There should be one record be affected when create record")
}
var cc1 CustomizeColumn
DB.First(&cc1, 666)
if cc1.Name != expected {
t.Errorf("Failed to query CustomizeColumn")
}
cc.Name = "bar"
DB.Save(&cc)
var cc2 CustomizeColumn
DB.First(&cc2, 666)
if cc2.Name != "bar" {
t.Errorf("Failed to query CustomizeColumn")
}
}
func TestCustomColumnAndIgnoredFieldClash(t *testing.T) {
DB.DropTable(&CustomColumnAndIgnoredFieldClash{})
if err := DB.AutoMigrate(&CustomColumnAndIgnoredFieldClash{}).Error; err != nil {
t.Errorf("Should not raise error: %s", err)
}
}
type CustomizePerson struct {
IdPerson string `gorm:"column:idPerson;primary_key:true"`
Accounts []CustomizeAccount `gorm:"many2many:PersonAccount;associationforeignkey:idAccount;foreignkey:idPerson"`
}
type CustomizeAccount struct {
IdAccount string `gorm:"column:idAccount;primary_key:true"`
Name string
}
func TestManyToManyWithCustomizedColumn(t *testing.T) {
DB.DropTable(&CustomizePerson{}, &CustomizeAccount{}, "PersonAccount")
DB.AutoMigrate(&CustomizePerson{}, &CustomizeAccount{})
account := CustomizeAccount{IdAccount: "account", Name: "id1"}
person := CustomizePerson{
IdPerson: "person",
Accounts: []CustomizeAccount{account},
}
if err := DB.Create(&account).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if err := DB.Create(&person).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
var person1 CustomizePerson
scope := DB.NewScope(nil)
if err := DB.Preload("Accounts").First(&person1, scope.Quote("idPerson")+" = ?", person.IdPerson).Error; err != nil {
t.Errorf("no error should happen when preloading customized column many2many relations, but got %v", err)
}
if len(person1.Accounts) != 1 || person1.Accounts[0].IdAccount != "account" {
t.Errorf("should preload correct accounts")
}
}
type CustomizeUser struct {
gorm.Model
Email string `sql:"column:email_address"`
}
type CustomizeInvitation struct {
gorm.Model
Address string `sql:"column:invitation"`
Person *CustomizeUser `gorm:"foreignkey:Email;associationforeignkey:invitation"`
}
func TestOneToOneWithCustomizedColumn(t *testing.T) {
DB.DropTable(&CustomizeUser{}, &CustomizeInvitation{})
DB.AutoMigrate(&CustomizeUser{}, &CustomizeInvitation{})
user := CustomizeUser{
Email: "hello@example.com",
}
invitation := CustomizeInvitation{
Address: "hello@example.com",
}
DB.Create(&user)
DB.Create(&invitation)
var invitation2 CustomizeInvitation
if err := DB.Preload("Person").Find(&invitation2, invitation.ID).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if invitation2.Person.Email != user.Email {
t.Errorf("Should preload one to one relation with customize foreign keys")
}
}
type PromotionDiscount struct {
gorm.Model
Name string
Coupons []*PromotionCoupon `gorm:"ForeignKey:discount_id"`
Rule *PromotionRule `gorm:"ForeignKey:discount_id"`
Benefits []PromotionBenefit `gorm:"ForeignKey:promotion_id"`
}
type PromotionBenefit struct {
gorm.Model
Name string
PromotionID uint
Discount PromotionDiscount `gorm:"ForeignKey:promotion_id"`
}
type PromotionCoupon struct {
gorm.Model
Code string
DiscountID uint
Discount PromotionDiscount
}
type PromotionRule struct {
gorm.Model
Name string
Begin *time.Time
End *time.Time
DiscountID uint
Discount *PromotionDiscount
}
func TestOneToManyWithCustomizedColumn(t *testing.T) {
DB.DropTable(&PromotionDiscount{}, &PromotionCoupon{})
DB.AutoMigrate(&PromotionDiscount{}, &PromotionCoupon{})
discount := PromotionDiscount{
Name: "Happy New Year",
Coupons: []*PromotionCoupon{
{Code: "newyear1"},
{Code: "newyear2"},
},
}
if err := DB.Create(&discount).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
var discount1 PromotionDiscount
if err := DB.Preload("Coupons").First(&discount1, "id = ?", discount.ID).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if len(discount.Coupons) != 2 {
t.Errorf("should find two coupons")
}
var coupon PromotionCoupon
if err := DB.Preload("Discount").First(&coupon, "code = ?", "newyear1").Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if coupon.Discount.Name != "Happy New Year" {
t.Errorf("should preload discount from coupon")
}
}
func TestHasOneWithPartialCustomizedColumn(t *testing.T) {
DB.DropTable(&PromotionDiscount{}, &PromotionRule{})
DB.AutoMigrate(&PromotionDiscount{}, &PromotionRule{})
var begin = time.Now()
var end = time.Now().Add(24 * time.Hour)
discount := PromotionDiscount{
Name: "Happy New Year 2",
Rule: &PromotionRule{
Name: "time_limited",
Begin: &begin,
End: &end,
},
}
if err := DB.Create(&discount).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
var discount1 PromotionDiscount
if err := DB.Preload("Rule").First(&discount1, "id = ?", discount.ID).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if discount.Rule.Begin.Format(time.RFC3339Nano) != begin.Format(time.RFC3339Nano) {
t.Errorf("Should be able to preload Rule")
}
var rule PromotionRule
if err := DB.Preload("Discount").First(&rule, "name = ?", "time_limited").Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if rule.Discount.Name != "Happy New Year 2" {
t.Errorf("should preload discount from rule")
}
}
func TestBelongsToWithPartialCustomizedColumn(t *testing.T) {
DB.DropTable(&PromotionDiscount{}, &PromotionBenefit{})
DB.AutoMigrate(&PromotionDiscount{}, &PromotionBenefit{})
discount := PromotionDiscount{
Name: "Happy New Year 3",
Benefits: []PromotionBenefit{
{Name: "free cod"},
{Name: "free shipping"},
},
}
if err := DB.Create(&discount).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
var discount1 PromotionDiscount
if err := DB.Preload("Benefits").First(&discount1, "id = ?", discount.ID).Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if len(discount.Benefits) != 2 {
t.Errorf("should find two benefits")
}
var benefit PromotionBenefit
if err := DB.Preload("Discount").First(&benefit, "name = ?", "free cod").Error; err != nil {
t.Errorf("no error should happen but got %v", err)
}
if benefit.Discount.Name != "Happy New Year 3" {
t.Errorf("should preload discount from coupon")
}
}
type SelfReferencingUser struct {
gorm.Model
Name string
Friends []*SelfReferencingUser `gorm:"many2many:UserFriends;association_jointable_foreignkey:friend_id"`
}
func TestSelfReferencingMany2ManyColumn(t *testing.T) {
DB.DropTable(&SelfReferencingUser{}, "UserFriends")
DB.AutoMigrate(&SelfReferencingUser{})
if !DB.HasTable("UserFriends") {
t.Errorf("auto migrate error, table UserFriends should be created")
}
friend1 := SelfReferencingUser{Name: "friend1_m2m"}
if err := DB.Create(&friend1).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
friend2 := SelfReferencingUser{Name: "friend2_m2m"}
if err := DB.Create(&friend2).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
user := SelfReferencingUser{
Name: "self_m2m",
Friends: []*SelfReferencingUser{&friend1, &friend2},
}
if err := DB.Create(&user).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if DB.Model(&user).Association("Friends").Count() != 2 {
t.Errorf("Should find created friends correctly")
}
var count int
if err := DB.Table("UserFriends").Count(&count).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if count == 0 {
t.Errorf("table UserFriends should have records")
}
var newUser = SelfReferencingUser{}
if err := DB.Preload("Friends").First(&newUser, "id = ?", user.ID).Error; err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if len(newUser.Friends) != 2 {
t.Errorf("Should preload created frineds for self reference m2m")
}
DB.Model(&newUser).Association("Friends").Append(&SelfReferencingUser{Name: "friend3_m2m"})
if DB.Model(&user).Association("Friends").Count() != 3 {
t.Errorf("Should find created friends correctly")
}
DB.Model(&newUser).Association("Friends").Replace(&SelfReferencingUser{Name: "friend4_m2m"})
if DB.Model(&user).Association("Friends").Count() != 1 {
t.Errorf("Should find created friends correctly")
}
friend := SelfReferencingUser{}
DB.Model(&newUser).Association("Friends").Find(&friend)
if friend.Name != "friend4_m2m" {
t.Errorf("Should find created friends correctly")
}
DB.Model(&newUser).Association("Friends").Delete(friend)
if DB.Model(&user).Association("Friends").Count() != 0 {
t.Errorf("All friends should be deleted")
}
}

91
delete_test.go
View File

@ -1,91 +0,0 @@
package gorm_test
import (
"testing"
"time"
)
func TestDelete(t *testing.T) {
user1, user2 := User{Name: "delete1"}, User{Name: "delete2"}
DB.Save(&user1)
DB.Save(&user2)
if err := DB.Delete(&user1).Error; err != nil {
t.Errorf("No error should happen when delete a record, err=%s", err)
}
if !DB.Where("name = ?", user1.Name).First(&User{}).RecordNotFound() {
t.Errorf("User can't be found after delete")
}
if DB.Where("name = ?", user2.Name).First(&User{}).RecordNotFound() {
t.Errorf("Other users that not deleted should be found-able")
}
}
func TestInlineDelete(t *testing.T) {
user1, user2 := User{Name: "inline_delete1"}, User{Name: "inline_delete2"}
DB.Save(&user1)
DB.Save(&user2)
if DB.Delete(&User{}, user1.Id).Error != nil {
t.Errorf("No error should happen when delete a record")
} else if !DB.Where("name = ?", user1.Name).First(&User{}).RecordNotFound() {
t.Errorf("User can't be found after delete")
}
if err := DB.Delete(&User{}, "name = ?", user2.Name).Error; err != nil {
t.Errorf("No error should happen when delete a record, err=%s", err)
} else if !DB.Where("name = ?", user2.Name).First(&User{}).RecordNotFound() {
t.Errorf("User can't be found after delete")
}
}
func TestSoftDelete(t *testing.T) {
type User struct {
Id int64
Name string
DeletedAt *time.Time
}
DB.AutoMigrate(&User{})
user := User{Name: "soft_delete"}
DB.Save(&user)
DB.Delete(&user)
if DB.First(&User{}, "name = ?", user.Name).Error == nil {
t.Errorf("Can't find a soft deleted record")
}
if err := DB.Unscoped().First(&User{}, "name = ?", user.Name).Error; err != nil {
t.Errorf("Should be able to find soft deleted record with Unscoped, but err=%s", err)
}
DB.Unscoped().Delete(&user)
if !DB.Unscoped().First(&User{}, "name = ?", user.Name).RecordNotFound() {
t.Errorf("Can't find permanently deleted record")
}
}
func TestSoftDeleteWithCustomizedDeletedAtColumnName(t *testing.T) {
creditCard := CreditCard{Number: "411111111234567"}
DB.Save(&creditCard)
DB.Delete(&creditCard)
if deletedAtField, ok := DB.NewScope(&CreditCard{}).FieldByName("DeletedAt"); !ok || deletedAtField.DBName != "deleted_time" {
t.Errorf("CreditCard's DeletedAt's column name should be `deleted_time`")
}
if DB.First(&CreditCard{}, "number = ?", creditCard.Number).Error == nil {
t.Errorf("Can't find a soft deleted record")
}
if err := DB.Unscoped().First(&CreditCard{}, "number = ?", creditCard.Number).Error; err != nil {
t.Errorf("Should be able to find soft deleted record with Unscoped, but err=%s", err)
}
DB.Unscoped().Delete(&creditCard)
if !DB.Unscoped().First(&CreditCard{}, "number = ?", creditCard.Number).RecordNotFound() {
t.Errorf("Can't find permanently deleted record")
}
}

147
dialect.go
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@ -1,147 +0,0 @@
package gorm
import (
"database/sql"
"fmt"
"reflect"
"strconv"
"strings"
)
// Dialect interface contains behaviors that differ across SQL database
type Dialect interface {
// GetName get dialect's name
GetName() string
// SetDB set db for dialect
SetDB(db SQLCommon)
// BindVar return the placeholder for actual values in SQL statements, in many dbs it is "?", Postgres using $1
BindVar(i int) string
// Quote quotes field name to avoid SQL parsing exceptions by using a reserved word as a field name
Quote(key string) string
// DataTypeOf return data's sql type
DataTypeOf(field *StructField) string
// HasIndex check has index or not
HasIndex(tableName string, indexName string) bool
// HasForeignKey check has foreign key or not
HasForeignKey(tableName string, foreignKeyName string) bool
// RemoveIndex remove index
RemoveIndex(tableName string, indexName string) error
// HasTable check has table or not
HasTable(tableName string) bool
// HasColumn check has column or not
HasColumn(tableName string, columnName string) bool
// ModifyColumn modify column's type
ModifyColumn(tableName string, columnName string, typ string) error
// LimitAndOffsetSQL return generated SQL with Limit and Offset, as mssql has special case
LimitAndOffsetSQL(limit, offset interface{}) (string, error)
// SelectFromDummyTable return select values, for most dbs, `SELECT values` just works, mysql needs `SELECT value FROM DUAL`
SelectFromDummyTable() string
// LastInsertIDOutputInterstitial most dbs support LastInsertId, but mssql needs to use `OUTPUT`
LastInsertIDOutputInterstitial(tableName, columnName string, columns []string) string
// LastInsertIdReturningSuffix most dbs support LastInsertId, but postgres needs to use `RETURNING`
LastInsertIDReturningSuffix(tableName, columnName string) string
// DefaultValueStr
DefaultValueStr() string
// BuildKeyName returns a valid key name (foreign key, index key) for the given table, field and reference
BuildKeyName(kind, tableName string, fields ...string) string
// NormalizeIndexAndColumn returns valid index name and column name depending on each dialect
NormalizeIndexAndColumn(indexName, columnName string) (string, string)
// CurrentDatabase return current database name
CurrentDatabase() string
}
var dialectsMap = map[string]Dialect{}
func newDialect(name string, db SQLCommon) Dialect {
if value, ok := dialectsMap[name]; ok {
dialect := reflect.New(reflect.TypeOf(value).Elem()).Interface().(Dialect)
dialect.SetDB(db)
return dialect
}
fmt.Printf("`%v` is not officially supported, running under compatibility mode.\n", name)
commontDialect := &commonDialect{}
commontDialect.SetDB(db)
return commontDialect
}
// RegisterDialect register new dialect
func RegisterDialect(name string, dialect Dialect) {
dialectsMap[name] = dialect
}
// GetDialect gets the dialect for the specified dialect name
func GetDialect(name string) (dialect Dialect, ok bool) {
dialect, ok = dialectsMap[name]
return
}
// ParseFieldStructForDialect get field's sql data type
var ParseFieldStructForDialect = func(field *StructField, dialect Dialect) (fieldValue reflect.Value, sqlType string, size int, additionalType string) {
// Get redirected field type
var (
reflectType = field.Struct.Type
dataType, _ = field.TagSettingsGet("TYPE")
)
for reflectType.Kind() == reflect.Ptr {
reflectType = reflectType.Elem()
}
// Get redirected field value
fieldValue = reflect.Indirect(reflect.New(reflectType))
if gormDataType, ok := fieldValue.Interface().(interface {
GormDataType(Dialect) string
}); ok {
dataType = gormDataType.GormDataType(dialect)
}
// Get scanner's real value
if dataType == "" {
var getScannerValue func(reflect.Value)
getScannerValue = func(value reflect.Value) {
fieldValue = value
if _, isScanner := reflect.New(fieldValue.Type()).Interface().(sql.Scanner); isScanner && fieldValue.Kind() == reflect.Struct {
getScannerValue(fieldValue.Field(0))
}
}
getScannerValue(fieldValue)
}
// Default Size
if num, ok := field.TagSettingsGet("SIZE"); ok {
size, _ = strconv.Atoi(num)
} else {
size = 255
}
// Default type from tag setting
notNull, _ := field.TagSettingsGet("NOT NULL")
unique, _ := field.TagSettingsGet("UNIQUE")
additionalType = notNull + " " + unique
if value, ok := field.TagSettingsGet("DEFAULT"); ok {
additionalType = additionalType + " DEFAULT " + value
}
if value, ok := field.TagSettingsGet("COMMENT"); ok {
additionalType = additionalType + " COMMENT " + value
}
return fieldValue, dataType, size, strings.TrimSpace(additionalType)
}
func currentDatabaseAndTable(dialect Dialect, tableName string) (string, string) {
if strings.Contains(tableName, ".") {
splitStrings := strings.SplitN(tableName, ".", 2)
return splitStrings[0], splitStrings[1]
}
return dialect.CurrentDatabase(), tableName
}

196
dialect_common.go
View File

@ -1,196 +0,0 @@
package gorm
import (
"fmt"
"reflect"
"regexp"
"strconv"
"strings"
"time"
)
var keyNameRegex = regexp.MustCompile("[^a-zA-Z0-9]+")
// DefaultForeignKeyNamer contains the default foreign key name generator method
type DefaultForeignKeyNamer struct {
}
type commonDialect struct {
db SQLCommon
DefaultForeignKeyNamer
}
func init() {
RegisterDialect("common", &commonDialect{})
}
func (commonDialect) GetName() string {
return "common"
}
func (s *commonDialect) SetDB(db SQLCommon) {
s.db = db
}
func (commonDialect) BindVar(i int) string {
return "$$$" // ?
}
func (commonDialect) Quote(key string) string {
return fmt.Sprintf(`"%s"`, key)
}
func (s *commonDialect) fieldCanAutoIncrement(field *StructField) bool {
if value, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok {
return strings.ToLower(value) != "false"
}
return field.IsPrimaryKey
}
func (s *commonDialect) DataTypeOf(field *StructField) string {
var dataValue, sqlType, size, additionalType = ParseFieldStructForDialect(field, s)
if sqlType == "" {
switch dataValue.Kind() {
case reflect.Bool:
sqlType = "BOOLEAN"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if s.fieldCanAutoIncrement(field) {
sqlType = "INTEGER AUTO_INCREMENT"
} else {
sqlType = "INTEGER"
}
case reflect.Int64, reflect.Uint64:
if s.fieldCanAutoIncrement(field) {
sqlType = "BIGINT AUTO_INCREMENT"
} else {
sqlType = "BIGINT"
}
case reflect.Float32, reflect.Float64:
sqlType = "FLOAT"
case reflect.String:
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("VARCHAR(%d)", size)
} else {
sqlType = "VARCHAR(65532)"
}
case reflect.Struct:
if _, ok := dataValue.Interface().(time.Time); ok {
sqlType = "TIMESTAMP"
}
default:
if _, ok := dataValue.Interface().([]byte); ok {
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("BINARY(%d)", size)
} else {
sqlType = "BINARY(65532)"
}
}
}
}
if sqlType == "" {
panic(fmt.Sprintf("invalid sql type %s (%s) for commonDialect", dataValue.Type().Name(), dataValue.Kind().String()))
}
if strings.TrimSpace(additionalType) == "" {
return sqlType
}
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s commonDialect) HasIndex(tableName string, indexName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.STATISTICS WHERE table_schema = ? AND table_name = ? AND index_name = ?", currentDatabase, tableName, indexName).Scan(&count)
return count > 0
}
func (s commonDialect) RemoveIndex(tableName string, indexName string) error {
_, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v", indexName))
return err
}
func (s commonDialect) HasForeignKey(tableName string, foreignKeyName string) bool {
return false
}
func (s commonDialect) HasTable(tableName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = ? AND table_name = ?", currentDatabase, tableName).Scan(&count)
return count > 0
}
func (s commonDialect) HasColumn(tableName string, columnName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = ? AND table_name = ? AND column_name = ?", currentDatabase, tableName, columnName).Scan(&count)
return count > 0
}
func (s commonDialect) ModifyColumn(tableName string, columnName string, typ string) error {
_, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v ALTER COLUMN %v TYPE %v", tableName, columnName, typ))
return err
}
func (s commonDialect) CurrentDatabase() (name string) {
s.db.QueryRow("SELECT DATABASE()").Scan(&name)
return
}
// LimitAndOffsetSQL return generated SQL with Limit and Offset
func (s commonDialect) LimitAndOffsetSQL(limit, offset interface{}) (sql string, err error) {
if limit != nil {
if parsedLimit, err := s.parseInt(limit); err != nil {
return "", err
} else if parsedLimit >= 0 {
sql += fmt.Sprintf(" LIMIT %d", parsedLimit)
}
}
if offset != nil {
if parsedOffset, err := s.parseInt(offset); err != nil {
return "", err
} else if parsedOffset >= 0 {
sql += fmt.Sprintf(" OFFSET %d", parsedOffset)
}
}
return
}
func (commonDialect) SelectFromDummyTable() string {
return ""
}
func (commonDialect) LastInsertIDOutputInterstitial(tableName, columnName string, columns []string) string {
return ""
}
func (commonDialect) LastInsertIDReturningSuffix(tableName, columnName string) string {
return ""
}
func (commonDialect) DefaultValueStr() string {
return "DEFAULT VALUES"
}
// BuildKeyName returns a valid key name (foreign key, index key) for the given table, field and reference
func (DefaultForeignKeyNamer) BuildKeyName(kind, tableName string, fields ...string) string {
keyName := fmt.Sprintf("%s_%s_%s", kind, tableName, strings.Join(fields, "_"))
keyName = keyNameRegex.ReplaceAllString(keyName, "_")
return keyName
}
// NormalizeIndexAndColumn returns argument's index name and column name without doing anything
func (commonDialect) NormalizeIndexAndColumn(indexName, columnName string) (string, string) {
return indexName, columnName
}
func (commonDialect) parseInt(value interface{}) (int64, error) {
return strconv.ParseInt(fmt.Sprint(value), 0, 0)
}
// IsByteArrayOrSlice returns true of the reflected value is an array or slice
func IsByteArrayOrSlice(value reflect.Value) bool {
return (value.Kind() == reflect.Array || value.Kind() == reflect.Slice) && value.Type().Elem() == reflect.TypeOf(uint8(0))
}

246
dialect_mysql.go
View File

@ -1,246 +0,0 @@
package gorm
import (
"crypto/sha1"
"database/sql"
"fmt"
"reflect"
"regexp"
"strings"
"time"
"unicode/utf8"
)
var mysqlIndexRegex = regexp.MustCompile(`^(.+)\((\d+)\)$`)
type mysql struct {
commonDialect
}
func init() {
RegisterDialect("mysql", &mysql{})
}
func (mysql) GetName() string {
return "mysql"
}
func (mysql) Quote(key string) string {
return fmt.Sprintf("`%s`", key)
}
// Get Data Type for MySQL Dialect
func (s *mysql) DataTypeOf(field *StructField) string {
var dataValue, sqlType, size, additionalType = ParseFieldStructForDialect(field, s)
// MySQL allows only one auto increment column per table, and it must
// be a KEY column.
if _, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok {
if _, ok = field.TagSettingsGet("INDEX"); !ok && !field.IsPrimaryKey {
field.TagSettingsDelete("AUTO_INCREMENT")
}
}
if sqlType == "" {
switch dataValue.Kind() {
case reflect.Bool:
sqlType = "boolean"
case reflect.Int8:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "tinyint AUTO_INCREMENT"
} else {
sqlType = "tinyint"
}
case reflect.Int, reflect.Int16, reflect.Int32:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "int AUTO_INCREMENT"
} else {
sqlType = "int"
}
case reflect.Uint8:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "tinyint unsigned AUTO_INCREMENT"
} else {
sqlType = "tinyint unsigned"
}
case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "int unsigned AUTO_INCREMENT"
} else {
sqlType = "int unsigned"
}
case reflect.Int64:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "bigint AUTO_INCREMENT"
} else {
sqlType = "bigint"
}
case reflect.Uint64:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "bigint unsigned AUTO_INCREMENT"
} else {
sqlType = "bigint unsigned"
}
case reflect.Float32, reflect.Float64:
sqlType = "double"
case reflect.String:
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("varchar(%d)", size)
} else {
sqlType = "longtext"
}
case reflect.Struct:
if _, ok := dataValue.Interface().(time.Time); ok {
precision := ""
if p, ok := field.TagSettingsGet("PRECISION"); ok {
precision = fmt.Sprintf("(%s)", p)
}
if _, ok := field.TagSettings["NOT NULL"]; ok || field.IsPrimaryKey {
sqlType = fmt.Sprintf("DATETIME%v", precision)
} else {
sqlType = fmt.Sprintf("DATETIME%v NULL", precision)
}
}
default:
if IsByteArrayOrSlice(dataValue) {
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("varbinary(%d)", size)
} else {
sqlType = "longblob"
}
}
}
}
if sqlType == "" {
panic(fmt.Sprintf("invalid sql type %s (%s) in field %s for mysql", dataValue.Type().Name(), dataValue.Kind().String(), field.Name))
}
if strings.TrimSpace(additionalType) == "" {
return sqlType
}
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s mysql) RemoveIndex(tableName string, indexName string) error {
_, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v ON %v", indexName, s.Quote(tableName)))
return err
}
func (s mysql) ModifyColumn(tableName string, columnName string, typ string) error {
_, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v MODIFY COLUMN %v %v", tableName, columnName, typ))
return err
}
func (s mysql) LimitAndOffsetSQL(limit, offset interface{}) (sql string, err error) {
if limit != nil {
parsedLimit, err := s.parseInt(limit)
if err != nil {
return "", err
}
if parsedLimit >= 0 {
sql += fmt.Sprintf(" LIMIT %d", parsedLimit)
if offset != nil {
parsedOffset, err := s.parseInt(offset)
if err != nil {
return "", err
}
if parsedOffset >= 0 {
sql += fmt.Sprintf(" OFFSET %d", parsedOffset)
}
}
}
}
return
}
func (s mysql) HasForeignKey(tableName string, foreignKeyName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA=? AND TABLE_NAME=? AND CONSTRAINT_NAME=? AND CONSTRAINT_TYPE='FOREIGN KEY'", currentDatabase, tableName, foreignKeyName).Scan(&count)
return count > 0
}
func (s mysql) HasTable(tableName string) bool {
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
var name string
// allow mysql database name with '-' character
if err := s.db.QueryRow(fmt.Sprintf("SHOW TABLES FROM `%s` WHERE `Tables_in_%s` = ?", currentDatabase, currentDatabase), tableName).Scan(&name); err != nil {
if err == sql.ErrNoRows {
return false
}
panic(err)
} else {
return true
}
}
func (s mysql) HasIndex(tableName string, indexName string) bool {
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
if rows, err := s.db.Query(fmt.Sprintf("SHOW INDEXES FROM `%s` FROM `%s` WHERE Key_name = ?", tableName, currentDatabase), indexName); err != nil {
panic(err)
} else {
defer rows.Close()
return rows.Next()
}
}
func (s mysql) HasColumn(tableName string, columnName string) bool {
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
if rows, err := s.db.Query(fmt.Sprintf("SHOW COLUMNS FROM `%s` FROM `%s` WHERE Field = ?", tableName, currentDatabase), columnName); err != nil {
panic(err)
} else {
defer rows.Close()
return rows.Next()
}
}
func (s mysql) CurrentDatabase() (name string) {
s.db.QueryRow("SELECT DATABASE()").Scan(&name)
return
}
func (mysql) SelectFromDummyTable() string {
return "FROM DUAL"
}
func (s mysql) BuildKeyName(kind, tableName string, fields ...string) string {
keyName := s.commonDialect.BuildKeyName(kind, tableName, fields...)
if utf8.RuneCountInString(keyName) <= 64 {
return keyName
}
h := sha1.New()
h.Write([]byte(keyName))
bs := h.Sum(nil)
// sha1 is 40 characters, keep first 24 characters of destination
destRunes := []rune(keyNameRegex.ReplaceAllString(fields[0], "_"))
if len(destRunes) > 24 {
destRunes = destRunes[:24]
}
return fmt.Sprintf("%s%x", string(destRunes), bs)
}
// NormalizeIndexAndColumn returns index name and column name for specify an index prefix length if needed
func (mysql) NormalizeIndexAndColumn(indexName, columnName string) (string, string) {
submatch := mysqlIndexRegex.FindStringSubmatch(indexName)
if len(submatch) != 3 {
return indexName, columnName
}
indexName = submatch[1]
columnName = fmt.Sprintf("%s(%s)", columnName, submatch[2])
return indexName, columnName
}
func (mysql) DefaultValueStr() string {
return "VALUES()"
}

147
dialect_postgres.go
View File

@ -1,147 +0,0 @@
package gorm
import (
"encoding/json"
"fmt"
"reflect"
"strings"
"time"
)
type postgres struct {
commonDialect
}
func init() {
RegisterDialect("postgres", &postgres{})
RegisterDialect("cloudsqlpostgres", &postgres{})
}
func (postgres) GetName() string {
return "postgres"
}
func (postgres) BindVar(i int) string {
return fmt.Sprintf("$%v", i)
}
func (s *postgres) DataTypeOf(field *StructField) string {
var dataValue, sqlType, size, additionalType = ParseFieldStructForDialect(field, s)
if sqlType == "" {
switch dataValue.Kind() {
case reflect.Bool:
sqlType = "boolean"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uintptr:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "serial"
} else {
sqlType = "integer"
}
case reflect.Int64, reflect.Uint32, reflect.Uint64:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "bigserial"
} else {
sqlType = "bigint"
}
case reflect.Float32, reflect.Float64:
sqlType = "numeric"
case reflect.String:
if _, ok := field.TagSettingsGet("SIZE"); !ok {
size = 0 // if SIZE haven't been set, use `text` as the default type, as there are no performance different
}
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("varchar(%d)", size)
} else {
sqlType = "text"
}
case reflect.Struct:
if _, ok := dataValue.Interface().(time.Time); ok {
sqlType = "timestamp with time zone"
}
case reflect.Map:
if dataValue.Type().Name() == "Hstore" {
sqlType = "hstore"
}
default:
if IsByteArrayOrSlice(dataValue) {
sqlType = "bytea"
if isUUID(dataValue) {
sqlType = "uuid"
}
if isJSON(dataValue) {
sqlType = "jsonb"
}
}
}
}
if sqlType == "" {
panic(fmt.Sprintf("invalid sql type %s (%s) for postgres", dataValue.Type().Name(), dataValue.Kind().String()))
}
if strings.TrimSpace(additionalType) == "" {
return sqlType
}
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s postgres) HasIndex(tableName string, indexName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM pg_indexes WHERE tablename = $1 AND indexname = $2 AND schemaname = CURRENT_SCHEMA()", tableName, indexName).Scan(&count)
return count > 0
}
func (s postgres) HasForeignKey(tableName string, foreignKeyName string) bool {
var count int
s.db.QueryRow("SELECT count(con.conname) FROM pg_constraint con WHERE $1::regclass::oid = con.conrelid AND con.conname = $2 AND con.contype='f'", tableName, foreignKeyName).Scan(&count)
return count > 0
}
func (s postgres) HasTable(tableName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.tables WHERE table_name = $1 AND table_type = 'BASE TABLE' AND table_schema = CURRENT_SCHEMA()", tableName).Scan(&count)
return count > 0
}
func (s postgres) HasColumn(tableName string, columnName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.columns WHERE table_name = $1 AND column_name = $2 AND table_schema = CURRENT_SCHEMA()", tableName, columnName).Scan(&count)
return count > 0
}
func (s postgres) CurrentDatabase() (name string) {
s.db.QueryRow("SELECT CURRENT_DATABASE()").Scan(&name)
return
}
func (s postgres) LastInsertIDOutputInterstitial(tableName, key string, columns []string) string {
return ""
}
func (s postgres) LastInsertIDReturningSuffix(tableName, key string) string {
return fmt.Sprintf("RETURNING %v.%v", tableName, key)
}
func (postgres) SupportLastInsertID() bool {
return false
}
func isUUID(value reflect.Value) bool {
if value.Kind() != reflect.Array || value.Type().Len() != 16 {
return false
}
typename := value.Type().Name()
lower := strings.ToLower(typename)
return "uuid" == lower || "guid" == lower
}
func isJSON(value reflect.Value) bool {
_, ok := value.Interface().(json.RawMessage)
return ok
}

107
dialect_sqlite3.go
View File

@ -1,107 +0,0 @@
package gorm
import (
"fmt"
"reflect"
"strings"
"time"
)
type sqlite3 struct {
commonDialect
}
func init() {
RegisterDialect("sqlite3", &sqlite3{})
}
func (sqlite3) GetName() string {
return "sqlite3"
}
// Get Data Type for Sqlite Dialect
func (s *sqlite3) DataTypeOf(field *StructField) string {
var dataValue, sqlType, size, additionalType = ParseFieldStructForDialect(field, s)
if sqlType == "" {
switch dataValue.Kind() {
case reflect.Bool:
sqlType = "bool"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "integer primary key autoincrement"
} else {
sqlType = "integer"
}
case reflect.Int64, reflect.Uint64:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "integer primary key autoincrement"
} else {
sqlType = "bigint"
}
case reflect.Float32, reflect.Float64:
sqlType = "real"
case reflect.String:
if size > 0 && size < 65532 {
sqlType = fmt.Sprintf("varchar(%d)", size)
} else {
sqlType = "text"
}
case reflect.Struct:
if _, ok := dataValue.Interface().(time.Time); ok {
sqlType = "datetime"
}
default:
if IsByteArrayOrSlice(dataValue) {
sqlType = "blob"
}
}
}
if sqlType == "" {
panic(fmt.Sprintf("invalid sql type %s (%s) for sqlite3", dataValue.Type().Name(), dataValue.Kind().String()))
}
if strings.TrimSpace(additionalType) == "" {
return sqlType
}
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s sqlite3) HasIndex(tableName string, indexName string) bool {
var count int
s.db.QueryRow(fmt.Sprintf("SELECT count(*) FROM sqlite_master WHERE tbl_name = ? AND sql LIKE '%%INDEX %v ON%%'", indexName), tableName).Scan(&count)
return count > 0
}
func (s sqlite3) HasTable(tableName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM sqlite_master WHERE type='table' AND name=?", tableName).Scan(&count)
return count > 0
}
func (s sqlite3) HasColumn(tableName string, columnName string) bool {
var count int
s.db.QueryRow(fmt.Sprintf("SELECT count(*) FROM sqlite_master WHERE tbl_name = ? AND (sql LIKE '%%\"%v\" %%' OR sql LIKE '%%%v %%');\n", columnName, columnName), tableName).Scan(&count)
return count > 0
}
func (s sqlite3) CurrentDatabase() (name string) {
var (
ifaces = make([]interface{}, 3)
pointers = make([]*string, 3)
i int
)
for i = 0; i < 3; i++ {
ifaces[i] = &pointers[i]
}
if err := s.db.QueryRow("PRAGMA database_list").Scan(ifaces...); err != nil {
return
}
if pointers[1] != nil {
name = *pointers[1]
}
return
}

253
dialects/mssql/mssql.go
View File

@ -1,253 +0,0 @@
package mssql
import (
"database/sql/driver"
"encoding/json"
"errors"
"fmt"
"reflect"
"strconv"
"strings"
"time"
// Importing mssql driver package only in dialect file, otherwide not needed
_ "github.com/denisenkom/go-mssqldb"
"github.com/jinzhu/gorm"
)
func setIdentityInsert(scope *gorm.Scope) {
if scope.Dialect().GetName() == "mssql" {
for _, field := range scope.PrimaryFields() {
if _, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok && !field.IsBlank {
scope.NewDB().Exec(fmt.Sprintf("SET IDENTITY_INSERT %v ON", scope.TableName()))
scope.InstanceSet("mssql:identity_insert_on", true)
}
}
}
}
func turnOffIdentityInsert(scope *gorm.Scope) {
if scope.Dialect().GetName() == "mssql" {
if _, ok := scope.InstanceGet("mssql:identity_insert_on"); ok {
scope.NewDB().Exec(fmt.Sprintf("SET IDENTITY_INSERT %v OFF", scope.TableName()))
}
}
}
func init() {
gorm.DefaultCallback.Create().After("gorm:begin_transaction").Register("mssql:set_identity_insert", setIdentityInsert)
gorm.DefaultCallback.Create().Before("gorm:commit_or_rollback_transaction").Register("mssql:turn_off_identity_insert", turnOffIdentityInsert)
gorm.RegisterDialect("mssql", &mssql{})
}
type mssql struct {
db gorm.SQLCommon
gorm.DefaultForeignKeyNamer
}
func (mssql) GetName() string {
return "mssql"
}
func (s *mssql) SetDB(db gorm.SQLCommon) {
s.db = db
}
func (mssql) BindVar(i int) string {
return "$$$" // ?
}
func (mssql) Quote(key string) string {
return fmt.Sprintf(`[%s]`, key)
}
func (s *mssql) DataTypeOf(field *gorm.StructField) string {
var dataValue, sqlType, size, additionalType = gorm.ParseFieldStructForDialect(field, s)
if sqlType == "" {
switch dataValue.Kind() {
case reflect.Bool:
sqlType = "bit"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "int IDENTITY(1,1)"
} else {
sqlType = "int"
}
case reflect.Int64, reflect.Uint64:
if s.fieldCanAutoIncrement(field) {
field.TagSettingsSet("AUTO_INCREMENT", "AUTO_INCREMENT")
sqlType = "bigint IDENTITY(1,1)"
} else {
sqlType = "bigint"
}
case reflect.Float32, reflect.Float64:
sqlType = "float"
case reflect.String:
if size > 0 && size < 8000 {
sqlType = fmt.Sprintf("nvarchar(%d)", size)
} else {
sqlType = "nvarchar(max)"
}
case reflect.Struct:
if _, ok := dataValue.Interface().(time.Time); ok {
sqlType = "datetimeoffset"
}
default:
if gorm.IsByteArrayOrSlice(dataValue) {
if size > 0 && size < 8000 {
sqlType = fmt.Sprintf("varbinary(%d)", size)
} else {
sqlType = "varbinary(max)"
}
}
}
}
if sqlType == "" {
panic(fmt.Sprintf("invalid sql type %s (%s) for mssql", dataValue.Type().Name(), dataValue.Kind().String()))
}
if strings.TrimSpace(additionalType) == "" {
return sqlType
}
return fmt.Sprintf("%v %v", sqlType, additionalType)
}
func (s mssql) fieldCanAutoIncrement(field *gorm.StructField) bool {
if value, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok {
return value != "FALSE"
}
return field.IsPrimaryKey
}
func (s mssql) HasIndex(tableName string, indexName string) bool {
var count int
s.db.QueryRow("SELECT count(*) FROM sys.indexes WHERE name=? AND object_id=OBJECT_ID(?)", indexName, tableName).Scan(&count)
return count > 0
}
func (s mssql) RemoveIndex(tableName string, indexName string) error {
_, err := s.db.Exec(fmt.Sprintf("DROP INDEX %v ON %v", indexName, s.Quote(tableName)))
return err
}
func (s mssql) HasForeignKey(tableName string, foreignKeyName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow(`SELECT count(*)
FROM sys.foreign_keys as F inner join sys.tables as T on F.parent_object_id=T.object_id
inner join information_schema.tables as I on I.TABLE_NAME = T.name
WHERE F.name = ?
AND T.Name = ? AND I.TABLE_CATALOG = ?;`, foreignKeyName, tableName, currentDatabase).Scan(&count)
return count > 0
}
func (s mssql) HasTable(tableName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.tables WHERE table_name = ? AND table_catalog = ?", tableName, currentDatabase).Scan(&count)
return count > 0
}
func (s mssql) HasColumn(tableName string, columnName string) bool {
var count int
currentDatabase, tableName := currentDatabaseAndTable(&s, tableName)
s.db.QueryRow("SELECT count(*) FROM information_schema.columns WHERE table_catalog = ? AND table_name = ? AND column_name = ?", currentDatabase, tableName, columnName).Scan(&count)
return count > 0
}
func (s mssql) ModifyColumn(tableName string, columnName string, typ string) error {
_, err := s.db.Exec(fmt.Sprintf("ALTER TABLE %v ALTER COLUMN %v %v", tableName, columnName, typ))
return err
}
func (s mssql) CurrentDatabase() (name string) {
s.db.QueryRow("SELECT DB_NAME() AS [Current Database]").Scan(&name)
return
}
func parseInt(value interface{}) (int64, error) {
return strconv.ParseInt(fmt.Sprint(value), 0, 0)
}
func (mssql) LimitAndOffsetSQL(limit, offset interface{}) (sql string, err error) {
if offset != nil {
if parsedOffset, err := parseInt(offset); err != nil {
return "", err
} else if parsedOffset >= 0 {
sql += fmt.Sprintf(" OFFSET %d ROWS", parsedOffset)
}
}
if limit != nil {
if parsedLimit, err := parseInt(limit); err != nil {
return "", err
} else if parsedLimit >= 0 {
if sql == "" {
// add default zero offset
sql += " OFFSET 0 ROWS"
}
sql += fmt.Sprintf(" FETCH NEXT %d ROWS ONLY", parsedLimit)
}
}
return
}
func (mssql) SelectFromDummyTable() string {
return ""
}
func (mssql) LastInsertIDOutputInterstitial(tableName, columnName string, columns []string) string {
if len(columns) == 0 {
// No OUTPUT to query
return ""
}
return fmt.Sprintf("OUTPUT Inserted.%v", columnName)
}
func (mssql) LastInsertIDReturningSuffix(tableName, columnName string) string {
// https://stackoverflow.com/questions/5228780/how-to-get-last-inserted-id
return "; SELECT SCOPE_IDENTITY()"
}
func (mssql) DefaultValueStr() string {
return "DEFAULT VALUES"
}
// NormalizeIndexAndColumn returns argument's index name and column name without doing anything
func (mssql) NormalizeIndexAndColumn(indexName, columnName string) (string, string) {
return indexName, columnName
}
func currentDatabaseAndTable(dialect gorm.Dialect, tableName string) (string, string) {
if strings.Contains(tableName, ".") {
splitStrings := strings.SplitN(tableName, ".", 2)
return splitStrings[0], splitStrings[1]
}
return dialect.CurrentDatabase(), tableName
}
// JSON type to support easy handling of JSON data in character table fields
// using golang json.RawMessage for deferred decoding/encoding
type JSON struct {
json.RawMessage
}
// Value get value of JSON
func (j JSON) Value() (driver.Value, error) {
if len(j.RawMessage) == 0 {
return nil, nil
}
return j.MarshalJSON()
}
// Scan scan value into JSON
func (j *JSON) Scan(value interface{}) error {
str, ok := value.(string)
if !ok {
return errors.New(fmt.Sprint("Failed to unmarshal JSONB value (strcast):", value))
}
bytes := []byte(str)
return json.Unmarshal(bytes, j)
}

3
dialects/mysql/mysql.go
View File

@ -1,3 +0,0 @@
package mysql
import _ "github.com/go-sql-driver/mysql"

81
dialects/postgres/postgres.go
View File

@ -1,81 +0,0 @@
package postgres
import (
"database/sql"
"database/sql/driver"
"encoding/json"
"errors"
"fmt"
_ "github.com/lib/pq"
"github.com/lib/pq/hstore"
)
type Hstore map[string]*string
// Value get value of Hstore
func (h Hstore) Value() (driver.Value, error) {
hstore := hstore.Hstore{Map: map[string]sql.NullString{}}
if len(h) == 0 {
return nil, nil
}
for key, value := range h {
var s sql.NullString
if value != nil {
s.String = *value
s.Valid = true
}
hstore.Map[key] = s
}
return hstore.Value()
}
// Scan scan value into Hstore
func (h *Hstore) Scan(value interface{}) error {
hstore := hstore.Hstore{}
if err := hstore.Scan(value); err != nil {
return err
}
if len(hstore.Map) == 0 {
return nil
}
*h = Hstore{}
for k := range hstore.Map {
if hstore.Map[k].Valid {
s := hstore.Map[k].String
(*h)[k] = &s
} else {
(*h)[k] = nil
}
}
return nil
}
// Jsonb Postgresql's JSONB data type
type Jsonb struct {
json.RawMessage
}
// Value get value of Jsonb
func (j Jsonb) Value() (driver.Value, error) {
if len(j.RawMessage) == 0 {
return nil, nil
}
return j.MarshalJSON()
}
// Scan scan value into Jsonb
func (j *Jsonb) Scan(value interface{}) error {
bytes, ok := value.([]byte)
if !ok {
return errors.New(fmt.Sprint("Failed to unmarshal JSONB value:", value))
}
return json.Unmarshal(bytes, j)
}

3
dialects/sqlite/sqlite.go
View File

@ -1,3 +0,0 @@
package sqlite
import _ "github.com/mattn/go-sqlite3"

30
docker-compose.yml
View File

@ -1,30 +0,0 @@
version: '3'
services:
mysql:
image: 'mysql:latest'
ports:
- 9910:3306
environment:
- MYSQL_DATABASE=gorm
- MYSQL_USER=gorm
- MYSQL_PASSWORD=gorm
- MYSQL_RANDOM_ROOT_PASSWORD="yes"
postgres:
image: 'postgres:latest'
ports:
- 9920:5432
environment:
- POSTGRES_USER=gorm
- POSTGRES_DB=gorm
- POSTGRES_PASSWORD=gorm
mssql:
image: 'mcmoe/mssqldocker:latest'
ports:
- 9930:1433
environment:
- ACCEPT_EULA=Y
- SA_PASSWORD=LoremIpsum86
- MSSQL_DB=gorm
- MSSQL_USER=gorm
- MSSQL_PASSWORD=LoremIpsum86

91
embedded_struct_test.go
View File

@ -1,91 +0,0 @@
package gorm_test
import "testing"
type BasePost struct {
Id int64
Title string
URL string
}
type Author struct {
ID string
Name string
Email string
}
type HNPost struct {
BasePost
Author `gorm:"embedded_prefix:user_"` // Embedded struct
Upvotes int32
}
type EngadgetPost struct {
BasePost BasePost `gorm:"embedded"`
Author Author `gorm:"embedded;embedded_prefix:author_"` // Embedded struct
ImageUrl string
}
func TestPrefixColumnNameForEmbeddedStruct(t *testing.T) {
dialect := DB.NewScope(&EngadgetPost{}).Dialect()
engadgetPostScope := DB.NewScope(&EngadgetPost{})
if !dialect.HasColumn(engadgetPostScope.TableName(), "author_id") || !dialect.HasColumn(engadgetPostScope.TableName(), "author_name") || !dialect.HasColumn(engadgetPostScope.TableName(), "author_email") {
t.Errorf("should has prefix for embedded columns")
}
if len(engadgetPostScope.PrimaryFields()) != 1 {
t.Errorf("should have only one primary field with embedded struct, but got %v", len(engadgetPostScope.PrimaryFields()))
}
hnScope := DB.NewScope(&HNPost{})
if !dialect.HasColumn(hnScope.TableName(), "user_id") || !dialect.HasColumn(hnScope.TableName(), "user_name") || !dialect.HasColumn(hnScope.TableName(), "user_email") {
t.Errorf("should has prefix for embedded columns")
}
}
func TestSaveAndQueryEmbeddedStruct(t *testing.T) {
DB.Save(&HNPost{BasePost: BasePost{Title: "news"}})
DB.Save(&HNPost{BasePost: BasePost{Title: "hn_news"}})
var news HNPost
if err := DB.First(&news, "title = ?", "hn_news").Error; err != nil {
t.Errorf("no error should happen when query with embedded struct, but got %v", err)
} else if news.Title != "hn_news" {
t.Errorf("embedded struct's value should be scanned correctly")
}
DB.Save(&EngadgetPost{BasePost: BasePost{Title: "engadget_news"}})
var egNews EngadgetPost
if err := DB.First(&egNews, "title = ?", "engadget_news").Error; err != nil {
t.Errorf("no error should happen when query with embedded struct, but got %v", err)
} else if egNews.BasePost.Title != "engadget_news" {
t.Errorf("embedded struct's value should be scanned correctly")
}
if DB.NewScope(&HNPost{}).PrimaryField() == nil {
t.Errorf("primary key with embedded struct should works")
}
for _, field := range DB.NewScope(&HNPost{}).Fields() {
if field.Name == "BasePost" {
t.Errorf("scope Fields should not contain embedded struct")
}
}
}
func TestEmbeddedPointerTypeStruct(t *testing.T) {
type HNPost struct {
*BasePost
Upvotes int32
}
DB.Create(&HNPost{BasePost: &BasePost{Title: "embedded_pointer_type"}})
var hnPost HNPost
if err := DB.First(&hnPost, "title = ?", "embedded_pointer_type").Error; err != nil {
t.Errorf("No error should happen when find embedded pointer type, but got %v", err)
}
if hnPost.Title != "embedded_pointer_type" {
t.Errorf("Should find correct value for embedded pointer type")
}
}

72
errors.go
View File

@ -1,72 +0,0 @@
package gorm
import (
"errors"
"strings"
)
var (
// ErrRecordNotFound returns a "record not found error". Occurs only when attempting to query the database with a struct; querying with a slice won't return this error
ErrRecordNotFound = errors.New("record not found")
// ErrInvalidSQL occurs when you attempt a query with invalid SQL
ErrInvalidSQL = errors.New("invalid SQL")
// ErrInvalidTransaction occurs when you are trying to `Commit` or `Rollback`
ErrInvalidTransaction = errors.New("no valid transaction")
// ErrCantStartTransaction can't start transaction when you are trying to start one with `Begin`
ErrCantStartTransaction = errors.New("can't start transaction")
// ErrUnaddressable unaddressable value
ErrUnaddressable = errors.New("using unaddressable value")
)
// Errors contains all happened errors
type Errors []error
// IsRecordNotFoundError returns true if error contains a RecordNotFound error
func IsRecordNotFoundError(err error) bool {
if errs, ok := err.(Errors); ok {
for _, err := range errs {
if err == ErrRecordNotFound {
return true
}
}
}
return err == ErrRecordNotFound
}
// GetErrors gets all errors that have occurred and returns a slice of errors (Error type)
func (errs Errors) GetErrors() []error {
return errs
}
// Add adds an error to a given slice of errors
func (errs Errors) Add(newErrors ...error) Errors {
for _, err := range newErrors {
if err == nil {
continue
}
if errors, ok := err.(Errors); ok {
errs = errs.Add(errors...)
} else {
ok = true
for _, e := range errs {
if err == e {
ok = false
}
}
if ok {
errs = append(errs, err)
}
}
}
return errs
}
// Error takes a slice of all errors that have occurred and returns it as a formatted string
func (errs Errors) Error() string {
var errors = []string{}
for _, e := range errs {
errors = append(errors, e.Error())
}
return strings.Join(errors, "; ")
}

20
errors_test.go
View File

@ -1,20 +0,0 @@
package gorm_test
import (
"errors"
"testing"
"github.com/jinzhu/gorm"
)
func TestErrorsCanBeUsedOutsideGorm(t *testing.T) {
errs := []error{errors.New("First"), errors.New("Second")}
gErrs := gorm.Errors(errs)
gErrs = gErrs.Add(errors.New("Third"))
gErrs = gErrs.Add(gErrs)
if gErrs.Error() != "First; Second; Third" {
t.Fatalf("Gave wrong error, got %s", gErrs.Error())
}
}

66
field.go
View File

@ -1,66 +0,0 @@
package gorm
import (
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"reflect"
)
// Field model field definition
type Field struct {
*StructField
IsBlank bool
Field reflect.Value
}
// Set set a value to the field
func (field *Field) Set(value interface{}) (err error) {
if !field.Field.IsValid() {
return errors.New("field value not valid")
}
if !field.Field.CanAddr() {
return ErrUnaddressable
}
reflectValue, ok := value.(reflect.Value)
if !ok {
reflectValue = reflect.ValueOf(value)
}
fieldValue := field.Field
if reflectValue.IsValid() {
if reflectValue.Type().ConvertibleTo(fieldValue.Type()) {
fieldValue.Set(reflectValue.Convert(fieldValue.Type()))
} else {
if fieldValue.Kind() == reflect.Ptr {
if fieldValue.IsNil() {
fieldValue.Set(reflect.New(field.Struct.Type.Elem()))
}
fieldValue = fieldValue.Elem()
}
if reflectValue.Type().ConvertibleTo(fieldValue.Type()) {
fieldValue.Set(reflectValue.Convert(fieldValue.Type()))
} else if scanner, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
v := reflectValue.Interface()
if valuer, ok := v.(driver.Valuer); ok {
if v, err = valuer.Value(); err == nil {
err = scanner.Scan(v)
}
} else {
err = scanner.Scan(v)
}
} else {
err = fmt.Errorf("could not convert argument of field %s from %s to %s", field.Name, reflectValue.Type(), fieldValue.Type())
}
}
} else {
field.Field.Set(reflect.Zero(field.Field.Type()))
}
field.IsBlank = isBlank(field.Field)
return err
}

130
field_test.go
View File

@ -1,130 +0,0 @@
package gorm_test
import (
"database/sql/driver"
"encoding/hex"
"fmt"
"testing"
"github.com/jinzhu/gorm"
)
type CalculateField struct {
gorm.Model
Name string
Children []CalculateFieldChild
Category CalculateFieldCategory
EmbeddedField
}
type EmbeddedField struct {
EmbeddedName string `sql:"NOT NULL;DEFAULT:'hello'"`
}
type CalculateFieldChild struct {
gorm.Model
CalculateFieldID uint
Name string
}
type CalculateFieldCategory struct {
gorm.Model
CalculateFieldID uint
Name string
}
func TestCalculateField(t *testing.T) {
var field CalculateField
var scope = DB.NewScope(&field)
if field, ok := scope.FieldByName("Children"); !ok || field.Relationship == nil {
t.Errorf("Should calculate fields correctly for the first time")
}
if field, ok := scope.FieldByName("Category"); !ok || field.Relationship == nil {
t.Errorf("Should calculate fields correctly for the first time")
}
if field, ok := scope.FieldByName("embedded_name"); !ok {
t.Errorf("should find embedded field")
} else if _, ok := field.TagSettingsGet("NOT NULL"); !ok {
t.Errorf("should find embedded field's tag settings")
}
}
type UUID [16]byte
type NullUUID struct {
UUID
Valid bool
}
func FromString(input string) (u UUID) {
src := []byte(input)
return FromBytes(src)
}
func FromBytes(src []byte) (u UUID) {
dst := u[:]
hex.Decode(dst[0:4], src[0:8])
hex.Decode(dst[4:6], src[9:13])
hex.Decode(dst[6:8], src[14:18])
hex.Decode(dst[8:10], src[19:23])
hex.Decode(dst[10:], src[24:])
return
}
func (u UUID) String() string {
buf := make([]byte, 36)
src := u[:]
hex.Encode(buf[0:8], src[0:4])
buf[8] = '-'
hex.Encode(buf[9:13], src[4:6])
buf[13] = '-'
hex.Encode(buf[14:18], src[6:8])
buf[18] = '-'
hex.Encode(buf[19:23], src[8:10])
buf[23] = '-'
hex.Encode(buf[24:], src[10:])
return string(buf)
}
func (u UUID) Value() (driver.Value, error) {
return u.String(), nil
}
func (u *UUID) Scan(src interface{}) error {
switch src := src.(type) {
case UUID: // support gorm convert from UUID to NullUUID
*u = src
return nil
case []byte:
*u = FromBytes(src)
return nil
case string:
*u = FromString(src)
return nil
}
return fmt.Errorf("uuid: cannot convert %T to UUID", src)
}
func (u *NullUUID) Scan(src interface{}) error {
u.Valid = true
return u.UUID.Scan(src)
}
func TestFieldSet(t *testing.T) {
type TestFieldSetNullUUID struct {
NullUUID NullUUID
}
scope := DB.NewScope(&TestFieldSetNullUUID{})
field := scope.Fields()[0]
err := field.Set(FromString("3034d44a-da03-11e8-b366-4a00070b9f00"))
if err != nil {
t.Fatal(err)
}
if id, ok := field.Field.Addr().Interface().(*NullUUID); !ok {
t.Fatal()
} else if !id.Valid || id.UUID.String() != "3034d44a-da03-11e8-b366-4a00070b9f00" {
t.Fatal(id)
}
}

13
go.mod
View File

@ -1,14 +1 @@
module github.com/jinzhu/gorm
go 1.12
require (
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5
github.com/go-sql-driver/mysql v1.5.0
github.com/jinzhu/inflection v1.0.0
github.com/jinzhu/now v1.0.1
github.com/lib/pq v1.1.1
github.com/mattn/go-sqlite3 v2.0.1+incompatible
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd // indirect
)

25
go.sum
View File

@ -1,25 +0,0 @@
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd h1:83Wprp6ROGeiHFAP8WJdI2RoxALQYgdllERc3N5N2DM=
github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 h1:Yzb9+7DPaBjB8zlTR87/ElzFsnQfuHnVUVqpZZIcV5Y=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.0.1 h1:HjfetcXq097iXP0uoPCdnM4Efp5/9MsM0/M+XOTeR3M=
github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/lib/pq v1.1.1 h1:sJZmqHoEaY7f+NPP8pgLB/WxulyR3fewgCM2qaSlBb4=
github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/mattn/go-sqlite3 v2.0.1+incompatible h1:xQ15muvnzGBHpIpdrNi1DA5x0+TcBZzsIDwmw9uTHzw=
github.com/mattn/go-sqlite3 v2.0.1+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c h1:Vj5n4GlwjmQteupaxJ9+0FNOmBrHfq7vN4btdGoDZgI=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd h1:GGJVjV8waZKRHrgwvtH66z9ZGVurTD1MT0n1Bb+q4aM=
golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

24
interface.go
View File

@ -1,24 +0,0 @@
package gorm
import (
"context"
"database/sql"
)
// SQLCommon is the minimal database connection functionality gorm requires. Implemented by *sql.DB.
type SQLCommon interface {
Exec(query string, args ...interface{}) (sql.Result, error)
Prepare(query string) (*sql.Stmt, error)
Query(query string, args ...interface{}) (*sql.Rows, error)
QueryRow(query string, args ...interface{}) *sql.Row
}
type sqlDb interface {
Begin() (*sql.Tx, error)
BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}
type sqlTx interface {
Commit() error
Rollback() error
}

211
join_table_handler.go
View File

@ -1,211 +0,0 @@
package gorm
import (
"errors"
"fmt"
"reflect"
"strings"
)
// JoinTableHandlerInterface is an interface for how to handle many2many relations
type JoinTableHandlerInterface interface {
// initialize join table handler
Setup(relationship *Relationship, tableName string, source reflect.Type, destination reflect.Type)
// Table return join table's table name
Table(db *DB) string
// Add create relationship in join table for source and destination
Add(handler JoinTableHandlerInterface, db *DB, source interface{}, destination interface{}) error
// Delete delete relationship in join table for sources
Delete(handler JoinTableHandlerInterface, db *DB, sources ...interface{}) error
// JoinWith query with `Join` conditions
JoinWith(handler JoinTableHandlerInterface, db *DB, source interface{}) *DB
// SourceForeignKeys return source foreign keys
SourceForeignKeys() []JoinTableForeignKey
// DestinationForeignKeys return destination foreign keys
DestinationForeignKeys() []JoinTableForeignKey
}
// JoinTableForeignKey join table foreign key struct
type JoinTableForeignKey struct {
DBName string
AssociationDBName string
}
// JoinTableSource is a struct that contains model type and foreign keys
type JoinTableSource struct {
ModelType reflect.Type
ForeignKeys []JoinTableForeignKey
}
// JoinTableHandler default join table handler
type JoinTableHandler struct {
TableName string `sql:"-"`
Source JoinTableSource `sql:"-"`
Destination JoinTableSource `sql:"-"`
}
// SourceForeignKeys return source foreign keys
func (s *JoinTableHandler) SourceForeignKeys() []JoinTableForeignKey {
return s.Source.ForeignKeys
}
// DestinationForeignKeys return destination foreign keys
func (s *JoinTableHandler) DestinationForeignKeys() []JoinTableForeignKey {
return s.Destination.ForeignKeys
}
// Setup initialize a default join table handler
func (s *JoinTableHandler) Setup(relationship *Relationship, tableName string, source reflect.Type, destination reflect.Type) {
s.TableName = tableName
s.Source = JoinTableSource{ModelType: source}
s.Source.ForeignKeys = []JoinTableForeignKey{}
for idx, dbName := range relationship.ForeignFieldNames {
s.Source.ForeignKeys = append(s.Source.ForeignKeys, JoinTableForeignKey{
DBName: relationship.ForeignDBNames[idx],
AssociationDBName: dbName,
})
}
s.Destination = JoinTableSource{ModelType: destination}
s.Destination.ForeignKeys = []JoinTableForeignKey{}
for idx, dbName := range relationship.AssociationForeignFieldNames {
s.Destination.ForeignKeys = append(s.Destination.ForeignKeys, JoinTableForeignKey{
DBName: relationship.AssociationForeignDBNames[idx],
AssociationDBName: dbName,
})
}
}
// Table return join table's table name
func (s JoinTableHandler) Table(db *DB) string {
return DefaultTableNameHandler(db, s.TableName)
}
func (s JoinTableHandler) updateConditionMap(conditionMap map[string]interface{}, db *DB, joinTableSources []JoinTableSource, sources ...interface{}) {
for _, source := range sources {
scope := db.NewScope(source)
modelType := scope.GetModelStruct().ModelType
for _, joinTableSource := range joinTableSources {
if joinTableSource.ModelType == modelType {
for _, foreignKey := range joinTableSource.ForeignKeys {
if field, ok := scope.FieldByName(foreignKey.AssociationDBName); ok {
conditionMap[foreignKey.DBName] = field.Field.Interface()
}
}
break
}
}
}
}
// Add create relationship in join table for source and destination
func (s JoinTableHandler) Add(handler JoinTableHandlerInterface, db *DB, source interface{}, destination interface{}) error {
var (
scope = db.NewScope("")
conditionMap = map[string]interface{}{}
)
// Update condition map for source
s.updateConditionMap(conditionMap, db, []JoinTableSource{s.Source}, source)
// Update condition map for destination
s.updateConditionMap(conditionMap, db, []JoinTableSource{s.Destination}, destination)
var assignColumns, binVars, conditions []string
var values []interface{}
for key, value := range conditionMap {
assignColumns = append(assignColumns, scope.Quote(key))
binVars = append(binVars, `?`)
conditions = append(conditions, fmt.Sprintf("%v = ?", scope.Quote(key)))
values = append(values, value)
}
for _, value := range values {
values = append(values, value)
}
quotedTable := scope.Quote(handler.Table(db))
sql := fmt.Sprintf(
"INSERT INTO %v (%v) SELECT %v %v WHERE NOT EXISTS (SELECT * FROM %v WHERE %v)",
quotedTable,
strings.Join(assignColumns, ","),
strings.Join(binVars, ","),
scope.Dialect().SelectFromDummyTable(),
quotedTable,
strings.Join(conditions, " AND "),
)
return db.Exec(sql, values...).Error
}
// Delete delete relationship in join table for sources
func (s JoinTableHandler) Delete(handler JoinTableHandlerInterface, db *DB, sources ...interface{}) error {
var (
scope = db.NewScope(nil)
conditions []string
values []interface{}
conditionMap = map[string]interface{}{}
)
s.updateConditionMap(conditionMap, db, []JoinTableSource{s.Source, s.Destination}, sources...)
for key, value := range conditionMap {
conditions = append(conditions, fmt.Sprintf("%v = ?", scope.Quote(key)))
values = append(values, value)
}
return db.Table(handler.Table(db)).Where(strings.Join(conditions, " AND "), values...).Delete("").Error
}
// JoinWith query with `Join` conditions
func (s JoinTableHandler) JoinWith(handler JoinTableHandlerInterface, db *DB, source interface{}) *DB {
var (
scope = db.NewScope(source)
tableName = handler.Table(db)
quotedTableName = scope.Quote(tableName)
joinConditions []string
values []interface{}
)
if s.Source.ModelType == scope.GetModelStruct().ModelType {
destinationTableName := db.NewScope(reflect.New(s.Destination.ModelType).Interface()).QuotedTableName()
for _, foreignKey := range s.Destination.ForeignKeys {
joinConditions = append(joinConditions, fmt.Sprintf("%v.%v = %v.%v", quotedTableName, scope.Quote(foreignKey.DBName), destinationTableName, scope.Quote(foreignKey.AssociationDBName)))
}
var foreignDBNames []string
var foreignFieldNames []string
for _, foreignKey := range s.Source.ForeignKeys {
foreignDBNames = append(foreignDBNames, foreignKey.DBName)
if field, ok := scope.FieldByName(foreignKey.AssociationDBName); ok {
foreignFieldNames = append(foreignFieldNames, field.Name)
}
}
foreignFieldValues := scope.getColumnAsArray(foreignFieldNames, scope.Value)
var condString string
if len(foreignFieldValues) > 0 {
var quotedForeignDBNames []string
for _, dbName := range foreignDBNames {
quotedForeignDBNames = append(quotedForeignDBNames, tableName+"."+dbName)
}
condString = fmt.Sprintf("%v IN (%v)", toQueryCondition(scope, quotedForeignDBNames), toQueryMarks(foreignFieldValues))
keys := scope.getColumnAsArray(foreignFieldNames, scope.Value)
values = append(values, toQueryValues(keys))
} else {
condString = fmt.Sprintf("1 <> 1")
}
return db.Joins(fmt.Sprintf("INNER JOIN %v ON %v", quotedTableName, strings.Join(joinConditions, " AND "))).
Where(condString, toQueryValues(foreignFieldValues)...)
}
db.Error = errors.New("wrong source type for join table handler")
return db
}

117
join_table_test.go
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@ -1,117 +0,0 @@
package gorm_test
import (
"fmt"
"strconv"
"testing"
"time"
"github.com/jinzhu/gorm"
)
type Person struct {
Id int
Name string
Addresses []*Address `gorm:"many2many:person_addresses;"`
}
type PersonAddress struct {
gorm.JoinTableHandler
PersonID int
AddressID int
DeletedAt *time.Time
CreatedAt time.Time
}
func (*PersonAddress) Add(handler gorm.JoinTableHandlerInterface, db *gorm.DB, foreignValue interface{}, associationValue interface{}) error {
foreignPrimaryKey, _ := strconv.Atoi(fmt.Sprint(db.NewScope(foreignValue).PrimaryKeyValue()))
associationPrimaryKey, _ := strconv.Atoi(fmt.Sprint(db.NewScope(associationValue).PrimaryKeyValue()))
if result := db.Unscoped().Model(&PersonAddress{}).Where(map[string]interface{}{
"person_id": foreignPrimaryKey,
"address_id": associationPrimaryKey,
}).Update(map[string]interface{}{
"person_id": foreignPrimaryKey,
"address_id": associationPrimaryKey,
"deleted_at": gorm.Expr("NULL"),
}).RowsAffected; result == 0 {
return db.Create(&PersonAddress{
PersonID: foreignPrimaryKey,
AddressID: associationPrimaryKey,
}).Error
}
return nil
}
func (*PersonAddress) Delete(handler gorm.JoinTableHandlerInterface, db *gorm.DB, sources ...interface{}) error {
return db.Delete(&PersonAddress{}).Error
}
func (pa *PersonAddress) JoinWith(handler gorm.JoinTableHandlerInterface, db *gorm.DB, source interface{}) *gorm.DB {
table := pa.Table(db)
return db.Joins("INNER JOIN person_addresses ON person_addresses.address_id = addresses.id").Where(fmt.Sprintf("%v.deleted_at IS NULL OR %v.deleted_at <= '0001-01-02'", table, table))
}
func TestJoinTable(t *testing.T) {
DB.Exec("drop table person_addresses;")
DB.AutoMigrate(&Person{})
DB.SetJoinTableHandler(&Person{}, "Addresses", &PersonAddress{})
address1 := &Address{Address1: "address 1"}
address2 := &Address{Address1: "address 2"}
person := &Person{Name: "person", Addresses: []*Address{address1, address2}}
DB.Save(person)
DB.Model(person).Association("Addresses").Delete(address1)
if DB.Find(&[]PersonAddress{}, "person_id = ?", person.Id).RowsAffected != 1 {
t.Errorf("Should found one address")
}
if DB.Model(person).Association("Addresses").Count() != 1 {
t.Errorf("Should found one address")
}
if DB.Unscoped().Find(&[]PersonAddress{}, "person_id = ?", person.Id).RowsAffected != 2 {
t.Errorf("Found two addresses with Unscoped")
}
if DB.Model(person).Association("Addresses").Clear(); DB.Model(person).Association("Addresses").Count() != 0 {
t.Errorf("Should deleted all addresses")
}
}
func TestEmbeddedMany2ManyRelationship(t *testing.T) {
type EmbeddedPerson struct {
ID int
Name string
Addresses []*Address `gorm:"many2many:person_addresses;"`
}
type NewPerson struct {
EmbeddedPerson
ExternalID uint
}
DB.Exec("drop table person_addresses;")
DB.AutoMigrate(&NewPerson{})
address1 := &Address{Address1: "address 1"}
address2 := &Address{Address1: "address 2"}
person := &NewPerson{ExternalID: 100, EmbeddedPerson: EmbeddedPerson{Name: "person", Addresses: []*Address{address1, address2}}}
if err := DB.Save(person).Error; err != nil {
t.Errorf("no error should return when save embedded many2many relationship, but got %v", err)
}
if err := DB.Model(person).Association("Addresses").Delete(address1).Error; err != nil {
t.Errorf("no error should return when delete embedded many2many relationship, but got %v", err)
}
association := DB.Model(person).Association("Addresses")
if count := association.Count(); count != 1 || association.Error != nil {
t.Errorf("Should found one address, but got %v, error is %v", count, association.Error)
}
if association.Clear(); association.Count() != 0 {
t.Errorf("Should deleted all addresses")
}
}

141
logger.go
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@ -1,141 +0,0 @@
package gorm
import (
"database/sql/driver"
"fmt"
"log"
"os"
"reflect"
"regexp"
"strconv"
"time"
"unicode"
)
var (
defaultLogger = Logger{log.New(os.Stdout, "\r\n", 0)}
sqlRegexp = regexp.MustCompile(`\?`)
numericPlaceHolderRegexp = regexp.MustCompile(`\$\d+`)
)
func isPrintable(s string) bool {
for _, r := range s {
if !unicode.IsPrint(r) {
return false
}
}
return true
}
var LogFormatter = func(values ...interface{}) (messages []interface{}) {
if len(values) > 1 {
var (
sql string
formattedValues []string
level = values[0]
currentTime = "\n\033[33m[" + NowFunc().Format("2006-01-02 15:04:05") + "]\033[0m"
source = fmt.Sprintf("\033[35m(%v)\033[0m", values[1])
)
messages = []interface{}{source, currentTime}
if len(values) == 2 {
//remove the line break
currentTime = currentTime[1:]
//remove the brackets
source = fmt.Sprintf("\033[35m%v\033[0m", values[1])
messages = []interface{}{currentTime, source}
}
if level == "sql" {
// duration
messages = append(messages, fmt.Sprintf(" \033[36;1m[%.2fms]\033[0m ", float64(values[2].(time.Duration).Nanoseconds()/1e4)/100.0))
// sql
for _, value := range values[4].([]interface{}) {
indirectValue := reflect.Indirect(reflect.ValueOf(value))
if indirectValue.IsValid() {
value = indirectValue.Interface()
if t, ok := value.(time.Time); ok {
if t.IsZero() {
formattedValues = append(formattedValues, fmt.Sprintf("'%v'", "0000-00-00 00:00:00"))
} else {
formattedValues = append(formattedValues, fmt.Sprintf("'%v'", t.Format("2006-01-02 15:04:05")))
}
} else if b, ok := value.([]byte); ok {
if str := string(b); isPrintable(str) {
formattedValues = append(formattedValues, fmt.Sprintf("'%v'", str))
} else {
formattedValues = append(formattedValues, "'<binary>'")
}
} else if r, ok := value.(driver.Valuer); ok {
if value, err := r.Value(); err == nil && value != nil {
formattedValues = append(formattedValues, fmt.Sprintf("'%v'", value))
} else {
formattedValues = append(formattedValues, "NULL")
}
} else {
switch value.(type) {
case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, float32, float64, bool:
formattedValues = append(formattedValues, fmt.Sprintf("%v", value))
default:
formattedValues = append(formattedValues, fmt.Sprintf("'%v'", value))
}
}
} else {
formattedValues = append(formattedValues, "NULL")
}
}
// differentiate between $n placeholders or else treat like ?
if numericPlaceHolderRegexp.MatchString(values[3].(string)) {
sql = values[3].(string)
for index, value := range formattedValues {
placeholder := fmt.Sprintf(`\$%d([^\d]|$)`, index+1)
sql = regexp.MustCompile(placeholder).ReplaceAllString(sql, value+"$1")
}
} else {
formattedValuesLength := len(formattedValues)
for index, value := range sqlRegexp.Split(values[3].(string), -1) {
sql += value
if index < formattedValuesLength {
sql += formattedValues[index]
}
}
}
messages = append(messages, sql)
messages = append(messages, fmt.Sprintf(" \n\033[36;31m[%v]\033[0m ", strconv.FormatInt(values[5].(int64), 10)+" rows affected or returned "))
} else {
messages = append(messages, "\033[31;1m")
messages = append(messages, values[2:]...)
messages = append(messages, "\033[0m")
}
}
return
}
type logger interface {
Print(v ...interface{})
}
// LogWriter log writer interface
type LogWriter interface {
Println(v ...interface{})
}
// Logger default logger
type Logger struct {
LogWriter
}
// Print format & print log
func (logger Logger) Print(values ...interface{}) {
logger.Println(LogFormatter(values...)...)
}
type nopLogger struct{}
func (nopLogger) Print(values ...interface{}) {}

881
main.go
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@ -1,881 +0,0 @@
package gorm
import (
"context"
"database/sql"
"errors"
"fmt"
"reflect"
"strings"
"sync"
"time"
)
// DB contains information for current db connection
type DB struct {
sync.RWMutex
Value interface{}
Error error
RowsAffected int64
// single db
db SQLCommon
blockGlobalUpdate bool
logMode logModeValue
logger logger
search *search
values sync.Map
// global db
parent *DB
callbacks *Callback
dialect Dialect
singularTable bool
// function to be used to override the creating of a new timestamp
nowFuncOverride func() time.Time
}
type logModeValue int
const (
defaultLogMode logModeValue = iota
noLogMode
detailedLogMode
)
// Open initialize a new db connection, need to import driver first, e.g:
//
// import _ "github.com/go-sql-driver/mysql"
// func main() {
// db, err := gorm.Open("mysql", "user:password@/dbname?charset=utf8&parseTime=True&loc=Local")
// }
// GORM has wrapped some drivers, for easier to remember driver's import path, so you could import the mysql driver with
// import _ "github.com/jinzhu/gorm/dialects/mysql"
// // import _ "github.com/jinzhu/gorm/dialects/postgres"
// // import _ "github.com/jinzhu/gorm/dialects/sqlite"
// // import _ "github.com/jinzhu/gorm/dialects/mssql"
func Open(dialect string, args ...interface{}) (db *DB, err error) {
if len(args) == 0 {
err = errors.New("invalid database source")
return nil, err
}
var source string
var dbSQL SQLCommon
var ownDbSQL bool
switch value := args[0].(type) {
case string:
var driver = dialect
if len(args) == 1 {
source = value
} else if len(args) >= 2 {
driver = value
source = args[1].(string)
}
dbSQL, err = sql.Open(driver, source)
ownDbSQL = true
case SQLCommon:
dbSQL = value
ownDbSQL = false
default:
return nil, fmt.Errorf("invalid database source: %v is not a valid type", value)
}
db = &DB{
db: dbSQL,
logger: defaultLogger,
callbacks: DefaultCallback,
dialect: newDialect(dialect, dbSQL),
}
db.parent = db
if err != nil {
return
}
// Send a ping to make sure the database connection is alive.
if d, ok := dbSQL.(*sql.DB); ok {
if err = d.Ping(); err != nil && ownDbSQL {
d.Close()
}
}
return
}
// New clone a new db connection without search conditions
func (s *DB) New() *DB {
clone := s.clone()
clone.search = nil
clone.Value = nil
return clone
}
type closer interface {
Close() error
}
// Close close current db connection. If database connection is not an io.Closer, returns an error.
func (s *DB) Close() error {
if db, ok := s.parent.db.(closer); ok {
return db.Close()
}
return errors.New("can't close current db")
}
// DB get `*sql.DB` from current connection
// If the underlying database connection is not a *sql.DB, returns nil
func (s *DB) DB() *sql.DB {
db, ok := s.db.(*sql.DB)
if !ok {
panic("can't support full GORM on currently status, maybe this is a TX instance.")
}
return db
}
// CommonDB return the underlying `*sql.DB` or `*sql.Tx` instance, mainly intended to allow coexistence with legacy non-GORM code.
func (s *DB) CommonDB() SQLCommon {
return s.db
}
// Dialect get dialect
func (s *DB) Dialect() Dialect {
return s.dialect
}
// Callback return `Callbacks` container, you could add/change/delete callbacks with it
// db.Callback().Create().Register("update_created_at", updateCreated)
// Refer https://jinzhu.github.io/gorm/development.html#callbacks
func (s *DB) Callback() *Callback {
s.parent.callbacks = s.parent.callbacks.clone(s.logger)
return s.parent.callbacks
}
// SetLogger replace default logger
func (s *DB) SetLogger(log logger) {
s.logger = log
}
// LogMode set log mode, `true` for detailed logs, `false` for no log, default, will only print error logs
func (s *DB) LogMode(enable bool) *DB {
if enable {
s.logMode = detailedLogMode
} else {
s.logMode = noLogMode
}
return s
}
// SetNowFuncOverride set the function to be used when creating a new timestamp
func (s *DB) SetNowFuncOverride(nowFuncOverride func() time.Time) *DB {
s.nowFuncOverride = nowFuncOverride
return s
}
// Get a new timestamp, using the provided nowFuncOverride on the DB instance if set,
// otherwise defaults to the global NowFunc()
func (s *DB) nowFunc() time.Time {
if s.nowFuncOverride != nil {
return s.nowFuncOverride()
}
return NowFunc()
}
// BlockGlobalUpdate if true, generates an error on update/delete without where clause.
// This is to prevent eventual error with empty objects updates/deletions
func (s *DB) BlockGlobalUpdate(enable bool) *DB {
s.blockGlobalUpdate = enable
return s
}
// HasBlockGlobalUpdate return state of block
func (s *DB) HasBlockGlobalUpdate() bool {
return s.blockGlobalUpdate
}
// SingularTable use singular table by default
func (s *DB) SingularTable(enable bool) {
s.parent.Lock()
defer s.parent.Unlock()
s.parent.singularTable = enable
}
// NewScope create a scope for current operation
func (s *DB) NewScope(value interface{}) *Scope {
dbClone := s.clone()
dbClone.Value = value
scope := &Scope{db: dbClone, Value: value}
if s.search != nil {
scope.Search = s.search.clone()
} else {
scope.Search = &search{}
}
return scope
}
// QueryExpr returns the query as SqlExpr object
func (s *DB) QueryExpr() *SqlExpr {
scope := s.NewScope(s.Value)
scope.InstanceSet("skip_bindvar", true)
scope.prepareQuerySQL()
return Expr(scope.SQL, scope.SQLVars...)
}
// SubQuery returns the query as sub query
func (s *DB) SubQuery() *SqlExpr {
scope := s.NewScope(s.Value)
scope.InstanceSet("skip_bindvar", true)
scope.prepareQuerySQL()
return Expr(fmt.Sprintf("(%v)", scope.SQL), scope.SQLVars...)
}
// Where return a new relation, filter records with given conditions, accepts `map`, `struct` or `string` as conditions, refer http://jinzhu.github.io/gorm/crud.html#query
func (s *DB) Where(query interface{}, args ...interface{}) *DB {
return s.clone().search.Where(query, args...).db
}
// Or filter records that match before conditions or this one, similar to `Where`
func (s *DB) Or(query interface{}, args ...interface{}) *DB {
return s.clone().search.Or(query, args...).db
}
// Not filter records that don't match current conditions, similar to `Where`
func (s *DB) Not(query interface{}, args ...interface{}) *DB {
return s.clone().search.Not(query, args...).db
}
// Limit specify the number of records to be retrieved
func (s *DB) Limit(limit interface{}) *DB {
return s.clone().search.Limit(limit).db
}
// Offset specify the number of records to skip before starting to return the records
func (s *DB) Offset(offset interface{}) *DB {
return s.clone().search.Offset(offset).db
}
// Order specify order when retrieve records from database, set reorder to `true` to overwrite defined conditions
// db.Order("name DESC")
// db.Order("name DESC", true) // reorder
// db.Order(gorm.Expr("name = ? DESC", "first")) // sql expression
func (s *DB) Order(value interface{}, reorder ...bool) *DB {
return s.clone().search.Order(value, reorder...).db
}
// Select specify fields that you want to retrieve from database when querying, by default, will select all fields;
// When creating/updating, specify fields that you want to save to database
func (s *DB) Select(query interface{}, args ...interface{}) *DB {
return s.clone().search.Select(query, args...).db
}
// Omit specify fields that you want to ignore when saving to database for creating, updating
func (s *DB) Omit(columns ...string) *DB {
return s.clone().search.Omit(columns...).db
}
// Group specify the group method on the find
func (s *DB) Group(query string) *DB {
return s.clone().search.Group(query).db
}
// Having specify HAVING conditions for GROUP BY
func (s *DB) Having(query interface{}, values ...interface{}) *DB {
return s.clone().search.Having(query, values...).db
}
// Joins specify Joins conditions
// db.Joins("JOIN emails ON emails.user_id = users.id AND emails.email = ?", "jinzhu@example.org").Find(&user)
func (s *DB) Joins(query string, args ...interface{}) *DB {
return s.clone().search.Joins(query, args...).db
}
// Scopes pass current database connection to arguments `func(*DB) *DB`, which could be used to add conditions dynamically
// func AmountGreaterThan1000(db *gorm.DB) *gorm.DB {
// return db.Where("amount > ?", 1000)
// }
//
// func OrderStatus(status []string) func (db *gorm.DB) *gorm.DB {
// return func (db *gorm.DB) *gorm.DB {
// return db.Scopes(AmountGreaterThan1000).Where("status in (?)", status)
// }
// }
//
// db.Scopes(AmountGreaterThan1000, OrderStatus([]string{"paid", "shipped"})).Find(&orders)
// Refer https://jinzhu.github.io/gorm/crud.html#scopes
func (s *DB) Scopes(funcs ...func(*DB) *DB) *DB {
for _, f := range funcs {
s = f(s)
}
return s
}
// Unscoped return all record including deleted record, refer Soft Delete https://jinzhu.github.io/gorm/crud.html#soft-delete
func (s *DB) Unscoped() *DB {
return s.clone().search.unscoped().db
}
// Attrs initialize struct with argument if record not found with `FirstOrInit` https://jinzhu.github.io/gorm/crud.html#firstorinit or `FirstOrCreate` https://jinzhu.github.io/gorm/crud.html#firstorcreate
func (s *DB) Attrs(attrs ...interface{}) *DB {
return s.clone().search.Attrs(attrs...).db
}
// Assign assign result with argument regardless it is found or not with `FirstOrInit` https://jinzhu.github.io/gorm/crud.html#firstorinit or `FirstOrCreate` https://jinzhu.github.io/gorm/crud.html#firstorcreate
func (s *DB) Assign(attrs ...interface{}) *DB {
return s.clone().search.Assign(attrs...).db
}
// First find first record that match given conditions, order by primary key
func (s *DB) First(out interface{}, where ...interface{}) *DB {
newScope := s.NewScope(out)
newScope.Search.Limit(1)
return newScope.Set("gorm:order_by_primary_key", "ASC").
inlineCondition(where...).callCallbacks(s.parent.callbacks.queries).db
}
// Take return a record that match given conditions, the order will depend on the database implementation
func (s *DB) Take(out interface{}, where ...interface{}) *DB {
newScope := s.NewScope(out)
newScope.Search.Limit(1)
return newScope.inlineCondition(where...).callCallbacks(s.parent.callbacks.queries).db
}
// Last find last record that match given conditions, order by primary key
func (s *DB) Last(out interface{}, where ...interface{}) *DB {
newScope := s.NewScope(out)
newScope.Search.Limit(1)
return newScope.Set("gorm:order_by_primary_key", "DESC").
inlineCondition(where...).callCallbacks(s.parent.callbacks.queries).db
}
// Find find records that match given conditions
func (s *DB) Find(out interface{}, where ...interface{}) *DB {
return s.NewScope(out).inlineCondition(where...).callCallbacks(s.parent.callbacks.queries).db
}
//Preloads preloads relations, don`t touch out
func (s *DB) Preloads(out interface{}) *DB {
return s.NewScope(out).InstanceSet("gorm:only_preload", 1).callCallbacks(s.parent.callbacks.queries).db
}
// Scan scan value to a struct
func (s *DB) Scan(dest interface{}) *DB {
return s.NewScope(s.Value).Set("gorm:query_destination", dest).callCallbacks(s.parent.callbacks.queries).db
}
// Row return `*sql.Row` with given conditions
func (s *DB) Row() *sql.Row {
return s.NewScope(s.Value).row()
}
// Rows return `*sql.Rows` with given conditions
func (s *DB) Rows() (*sql.Rows, error) {
return s.NewScope(s.Value).rows()
}
// ScanRows scan `*sql.Rows` to give struct
func (s *DB) ScanRows(rows *sql.Rows, result interface{}) error {
var (
scope = s.NewScope(result)
clone = scope.db
columns, err = rows.Columns()
)
if clone.AddError(err) == nil {
scope.scan(rows, columns, scope.Fields())
}
return clone.Error
}
// Pluck used to query single column from a model as a map
// var ages []int64
// db.Find(&users).Pluck("age", &ages)
func (s *DB) Pluck(column string, value interface{}) *DB {
return s.NewScope(s.Value).pluck(column, value).db
}
// Count get how many records for a model
func (s *DB) Count(value interface{}) *DB {
return s.NewScope(s.Value).count(value).db
}
// Related get related associations
func (s *DB) Related(value interface{}, foreignKeys ...string) *DB {
return s.NewScope(s.Value).related(value, foreignKeys...).db
}
// FirstOrInit find first matched record or initialize a new one with given conditions (only works with struct, map conditions)
// https://jinzhu.github.io/gorm/crud.html#firstorinit
func (s *DB) FirstOrInit(out interface{}, where ...interface{}) *DB {
c := s.clone()
if result := c.First(out, where...); result.Error != nil {
if !result.RecordNotFound() {
return result
}
c.NewScope(out).inlineCondition(where...).initialize()
} else {
c.NewScope(out).updatedAttrsWithValues(c.search.assignAttrs)
}
return c
}
// FirstOrCreate find first matched record or create a new one with given conditions (only works with struct, map conditions)
// https://jinzhu.github.io/gorm/crud.html#firstorcreate
func (s *DB) FirstOrCreate(out interface{}, where ...interface{}) *DB {
c := s.clone()
if result := s.First(out, where...); result.Error != nil {
if !result.RecordNotFound() {
return result
}
return c.NewScope(out).inlineCondition(where...).initialize().callCallbacks(c.parent.callbacks.creates).db
} else if len(c.search.assignAttrs) > 0 {
return c.NewScope(out).InstanceSet("gorm:update_interface", c.search.assignAttrs).callCallbacks(c.parent.callbacks.updates).db
}
return c
}
// Update update attributes with callbacks, refer: https://jinzhu.github.io/gorm/crud.html#update
// WARNING when update with struct, GORM will not update fields that with zero value
func (s *DB) Update(attrs ...interface{}) *DB {
return s.Updates(toSearchableMap(attrs...), true)
}
// Updates update attributes with callbacks, refer: https://jinzhu.github.io/gorm/crud.html#update
func (s *DB) Updates(values interface{}, ignoreProtectedAttrs ...bool) *DB {
return s.NewScope(s.Value).
Set("gorm:ignore_protected_attrs", len(ignoreProtectedAttrs) > 0).
InstanceSet("gorm:update_interface", values).
callCallbacks(s.parent.callbacks.updates).db
}
// UpdateColumn update attributes without callbacks, refer: https://jinzhu.github.io/gorm/crud.html#update
func (s *DB) UpdateColumn(attrs ...interface{}) *DB {
return s.UpdateColumns(toSearchableMap(attrs...))
}
// UpdateColumns update attributes without callbacks, refer: https://jinzhu.github.io/gorm/crud.html#update
func (s *DB) UpdateColumns(values interface{}) *DB {
return s.NewScope(s.Value).
Set("gorm:update_column", true).
Set("gorm:save_associations", false).
InstanceSet("gorm:update_interface", values).
callCallbacks(s.parent.callbacks.updates).db
}
// Save update value in database, if the value doesn't have primary key, will insert it
func (s *DB) Save(value interface{}) *DB {
scope := s.NewScope(value)
if !scope.PrimaryKeyZero() {
newDB := scope.callCallbacks(s.parent.callbacks.updates).db
if newDB.Error == nil && newDB.RowsAffected == 0 {
return s.New().Table(scope.TableName()).FirstOrCreate(value)
}
return newDB
}
return scope.callCallbacks(s.parent.callbacks.creates).db
}
// Create insert the value into database
func (s *DB) Create(value interface{}) *DB {
scope := s.NewScope(value)
return scope.callCallbacks(s.parent.callbacks.creates).db
}
// Delete delete value match given conditions, if the value has primary key, then will including the primary key as condition
// WARNING If model has DeletedAt field, GORM will only set field DeletedAt's value to current time
func (s *DB) Delete(value interface{}, where ...interface{}) *DB {
return s.NewScope(value).inlineCondition(where...).callCallbacks(s.parent.callbacks.deletes).db
}
// Raw use raw sql as conditions, won't run it unless invoked by other methods
// db.Raw("SELECT name, age FROM users WHERE name = ?", 3).Scan(&result)
func (s *DB) Raw(sql string, values ...interface{}) *DB {
return s.clone().search.Raw(true).Where(sql, values...).db
}
// Exec execute raw sql
func (s *DB) Exec(sql string, values ...interface{}) *DB {
scope := s.NewScope(nil)
generatedSQL := scope.buildCondition(map[string]interface{}{"query": sql, "args": values}, true)
generatedSQL = strings.TrimSuffix(strings.TrimPrefix(generatedSQL, "("), ")")
scope.Raw(generatedSQL)
return scope.Exec().db
}
// Model specify the model you would like to run db operations
// // update all users's name to `hello`
// db.Model(&User{}).Update("name", "hello")
// // if user's primary key is non-blank, will use it as condition, then will only update the user's name to `hello`
// db.Model(&user).Update("name", "hello")
func (s *DB) Model(value interface{}) *DB {
c := s.clone()
c.Value = value
return c
}
// Table specify the table you would like to run db operations
func (s *DB) Table(name string) *DB {
clone := s.clone()
clone.search.Table(name)
clone.Value = nil
return clone
}
// Debug start debug mode
func (s *DB) Debug() *DB {
return s.clone().LogMode(true)
}
// Transaction start a transaction as a block,
// return error will rollback, otherwise to commit.
func (s *DB) Transaction(fc func(tx *DB) error) (err error) {
panicked := true
tx := s.Begin()
defer func() {
// Make sure to rollback when panic, Block error or Commit error
if panicked || err != nil {
tx.Rollback()
}
}()
err = fc(tx)
if err == nil {
err = tx.Commit().Error
}
panicked = false
return
}
// Begin begins a transaction
func (s *DB) Begin() *DB {
return s.BeginTx(context.Background(), &sql.TxOptions{})
}
// BeginTx begins a transaction with options
func (s *DB) BeginTx(ctx context.Context, opts *sql.TxOptions) *DB {
c := s.clone()
if db, ok := c.db.(sqlDb); ok && db != nil {
tx, err := db.BeginTx(ctx, opts)
c.db = interface{}(tx).(SQLCommon)
c.dialect.SetDB(c.db)
c.AddError(err)
} else {
c.AddError(ErrCantStartTransaction)
}
return c
}
// Commit commit a transaction
func (s *DB) Commit() *DB {
var emptySQLTx *sql.Tx
if db, ok := s.db.(sqlTx); ok && db != nil && db != emptySQLTx {
s.AddError(db.Commit())
} else {
s.AddError(ErrInvalidTransaction)
}
return s
}
// Rollback rollback a transaction
func (s *DB) Rollback() *DB {
var emptySQLTx *sql.Tx
if db, ok := s.db.(sqlTx); ok && db != nil && db != emptySQLTx {
if err := db.Rollback(); err != nil && err != sql.ErrTxDone {
s.AddError(err)
}
} else {
s.AddError(ErrInvalidTransaction)
}
return s
}
// RollbackUnlessCommitted rollback a transaction if it has not yet been
// committed.
func (s *DB) RollbackUnlessCommitted() *DB {
var emptySQLTx *sql.Tx
if db, ok := s.db.(sqlTx); ok && db != nil && db != emptySQLTx {
err := db.Rollback()
// Ignore the error indicating that the transaction has already
// been committed.
if err != sql.ErrTxDone {
s.AddError(err)
}
} else {
s.AddError(ErrInvalidTransaction)
}
return s
}
// NewRecord check if value's primary key is blank
func (s *DB) NewRecord(value interface{}) bool {
return s.NewScope(value).PrimaryKeyZero()
}
// RecordNotFound check if returning ErrRecordNotFound error
func (s *DB) RecordNotFound() bool {
for _, err := range s.GetErrors() {
if err == ErrRecordNotFound {
return true
}
}
return false
}
// CreateTable create table for models
func (s *DB) CreateTable(models ...interface{}) *DB {
db := s.Unscoped()
for _, model := range models {
db = db.NewScope(model).createTable().db
}
return db
}
// DropTable drop table for models
func (s *DB) DropTable(values ...interface{}) *DB {
db := s.clone()
for _, value := range values {
if tableName, ok := value.(string); ok {
db = db.Table(tableName)
}
db = db.NewScope(value).dropTable().db
}
return db
}
// DropTableIfExists drop table if it is exist
func (s *DB) DropTableIfExists(values ...interface{}) *DB {
db := s.clone()
for _, value := range values {
if s.HasTable(value) {
db.AddError(s.DropTable(value).Error)
}
}
return db
}
// HasTable check has table or not
func (s *DB) HasTable(value interface{}) bool {
var (
scope = s.NewScope(value)
tableName string
)
if name, ok := value.(string); ok {
tableName = name
} else {
tableName = scope.TableName()
}
has := scope.Dialect().HasTable(tableName)
s.AddError(scope.db.Error)
return has
}
// AutoMigrate run auto migration for given models, will only add missing fields, won't delete/change current data
func (s *DB) AutoMigrate(values ...interface{}) *DB {
db := s.Unscoped()
for _, value := range values {
db = db.NewScope(value).autoMigrate().db
}
return db
}
// ModifyColumn modify column to type
func (s *DB) ModifyColumn(column string, typ string) *DB {
scope := s.NewScope(s.Value)
scope.modifyColumn(column, typ)
return scope.db
}
// DropColumn drop a column
func (s *DB) DropColumn(column string) *DB {
scope := s.NewScope(s.Value)
scope.dropColumn(column)
return scope.db
}
// AddIndex add index for columns with given name
func (s *DB) AddIndex(indexName string, columns ...string) *DB {
scope := s.Unscoped().NewScope(s.Value)
scope.addIndex(false, indexName, columns...)
return scope.db
}
// AddUniqueIndex add unique index for columns with given name
func (s *DB) AddUniqueIndex(indexName string, columns ...string) *DB {
scope := s.Unscoped().NewScope(s.Value)
scope.addIndex(true, indexName, columns...)
return scope.db
}
// RemoveIndex remove index with name
func (s *DB) RemoveIndex(indexName string) *DB {
scope := s.NewScope(s.Value)
scope.removeIndex(indexName)
return scope.db
}
// AddForeignKey Add foreign key to the given scope, e.g:
// db.Model(&User{}).AddForeignKey("city_id", "cities(id)", "RESTRICT", "RESTRICT")
func (s *DB) AddForeignKey(field string, dest string, onDelete string, onUpdate string) *DB {
scope := s.NewScope(s.Value)
scope.addForeignKey(field, dest, onDelete, onUpdate)
return scope.db
}
// RemoveForeignKey Remove foreign key from the given scope, e.g:
// db.Model(&User{}).RemoveForeignKey("city_id", "cities(id)")
func (s *DB) RemoveForeignKey(field string, dest string) *DB {
scope := s.clone().NewScope(s.Value)
scope.removeForeignKey(field, dest)
return scope.db
}
// Association start `Association Mode` to handler relations things easir in that mode, refer: https://jinzhu.github.io/gorm/associations.html#association-mode
func (s *DB) Association(column string) *Association {
var err error
var scope = s.Set("gorm:association:source", s.Value).NewScope(s.Value)
if primaryField := scope.PrimaryField(); primaryField.IsBlank {
err = errors.New("primary key can't be nil")
} else {
if field, ok := scope.FieldByName(column); ok {
if field.Relationship == nil || len(field.Relationship.ForeignFieldNames) == 0 {
err = fmt.Errorf("invalid association %v for %v", column, scope.IndirectValue().Type())
} else {
return &Association{scope: scope, column: column, field: field}
}
} else {
err = fmt.Errorf("%v doesn't have column %v", scope.IndirectValue().Type(), column)
}
}
return &Association{Error: err}
}
// Preload preload associations with given conditions
// db.Preload("Orders", "state NOT IN (?)", "cancelled").Find(&users)
func (s *DB) Preload(column string, conditions ...interface{}) *DB {
return s.clone().search.Preload(column, conditions...).db
}
// Set set setting by name, which could be used in callbacks, will clone a new db, and update its setting
func (s *DB) Set(name string, value interface{}) *DB {
return s.clone().InstantSet(name, value)
}
// InstantSet instant set setting, will affect current db
func (s *DB) InstantSet(name string, value interface{}) *DB {
s.values.Store(name, value)
return s
}
// Get get setting by name
func (s *DB) Get(name string) (value interface{}, ok bool) {
value, ok = s.values.Load(name)
return
}
// SetJoinTableHandler set a model's join table handler for a relation
func (s *DB) SetJoinTableHandler(source interface{}, column string, handler JoinTableHandlerInterface) {
scope := s.NewScope(source)
for _, field := range scope.GetModelStruct().StructFields {
if field.Name == column || field.DBName == column {
if many2many, _ := field.TagSettingsGet("MANY2MANY"); many2many != "" {
source := (&Scope{Value: source}).GetModelStruct().ModelType
destination := (&Scope{Value: reflect.New(field.Struct.Type).Interface()}).GetModelStruct().ModelType
handler.Setup(field.Relationship, many2many, source, destination)
field.Relationship.JoinTableHandler = handler
if table := handler.Table(s); scope.Dialect().HasTable(table) {
s.Table(table).AutoMigrate(handler)
}
}
}
}
}
// AddError add error to the db
func (s *DB) AddError(err error) error {
if err != nil {
if err != ErrRecordNotFound {
if s.logMode == defaultLogMode {
go s.print("error", fileWithLineNum(), err)
} else {
s.log(err)
}
errors := Errors(s.GetErrors())
errors = errors.Add(err)
if len(errors) > 1 {
err = errors
}
}
s.Error = err
}
return err
}
// GetErrors get happened errors from the db
func (s *DB) GetErrors() []error {
if errs, ok := s.Error.(Errors); ok {
return errs
} else if s.Error != nil {
return []error{s.Error}
}
return []error{}
}
////////////////////////////////////////////////////////////////////////////////
// Private Methods For DB
////////////////////////////////////////////////////////////////////////////////
func (s *DB) clone() *DB {
db := &DB{
db: s.db,
parent: s.parent,
logger: s.logger,
logMode: s.logMode,
Value: s.Value,
Error: s.Error,
blockGlobalUpdate: s.blockGlobalUpdate,
dialect: newDialect(s.dialect.GetName(), s.db),
nowFuncOverride: s.nowFuncOverride,
}
s.values.Range(func(k, v interface{}) bool {
db.values.Store(k, v)
return true
})
if s.search == nil {
db.search = &search{limit: -1, offset: -1}
} else {
db.search = s.search.clone()
}
db.search.db = db
return db
}
func (s *DB) print(v ...interface{}) {
s.logger.Print(v...)
}
func (s *DB) log(v ...interface{}) {
if s != nil && s.logMode == detailedLogMode {
s.print(append([]interface{}{"log", fileWithLineNum()}, v...)...)
}
}
func (s *DB) slog(sql string, t time.Time, vars ...interface{}) {
if s.logMode == detailedLogMode {
s.print("sql", fileWithLineNum(), NowFunc().Sub(t), sql, vars, s.RowsAffected)
}
}

1444
main_test.go
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579
migration_test.go
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@ -1,579 +0,0 @@
package gorm_test
import (
"database/sql"
"database/sql/driver"
"errors"
"fmt"
"os"
"reflect"
"strconv"
"testing"
"time"
"github.com/jinzhu/gorm"
)
type User struct {
Id int64
Age int64
UserNum Num
Name string `sql:"size:255"`
Email string
Birthday *time.Time // Time
CreatedAt time.Time // CreatedAt: Time of record is created, will be insert automatically
UpdatedAt time.Time // UpdatedAt: Time of record is updated, will be updated automatically
Emails []Email // Embedded structs
BillingAddress Address // Embedded struct
BillingAddressID sql.NullInt64 // Embedded struct's foreign key
ShippingAddress Address // Embedded struct
ShippingAddressId int64 // Embedded struct's foreign key
CreditCard CreditCard
Latitude float64
Languages []Language `gorm:"many2many:user_languages;"`
CompanyID *int
Company Company
Role Role
Password EncryptedData
PasswordHash []byte
IgnoreMe int64 `sql:"-"`
IgnoreStringSlice []string `sql:"-"`
Ignored struct{ Name string } `sql:"-"`
IgnoredPointer *User `sql:"-"`
}
type NotSoLongTableName struct {
Id int64
ReallyLongThingID int64
ReallyLongThing ReallyLongTableNameToTestMySQLNameLengthLimit
}
type ReallyLongTableNameToTestMySQLNameLengthLimit struct {
Id int64
}
type ReallyLongThingThatReferencesShort struct {
Id int64
ShortID int64
Short Short
}
type Short struct {
Id int64
}
type CreditCard struct {
ID int8
Number string
UserId sql.NullInt64
CreatedAt time.Time `sql:"not null"`
UpdatedAt time.Time
DeletedAt *time.Time `sql:"column:deleted_time"`
}
type Email struct {
Id int16
UserId int
Email string `sql:"type:varchar(100);"`
CreatedAt time.Time
UpdatedAt time.Time
}
type Address struct {
ID int
Address1 string
Address2 string
Post string
CreatedAt time.Time
UpdatedAt time.Time
DeletedAt *time.Time
}
type Language struct {
gorm.Model
Name string
Users []User `gorm:"many2many:user_languages;"`
}
type Product struct {
Id int64
Code string
Price int64
CreatedAt time.Time
UpdatedAt time.Time
AfterFindCallTimes int64
BeforeCreateCallTimes int64
AfterCreateCallTimes int64
BeforeUpdateCallTimes int64
AfterUpdateCallTimes int64
BeforeSaveCallTimes int64
AfterSaveCallTimes int64
BeforeDeleteCallTimes int64
AfterDeleteCallTimes int64
}
type Company struct {
Id int64
Name string
Owner *User `sql:"-"`
}
type Place struct {
Id int64
PlaceAddressID int
PlaceAddress *Address `gorm:"save_associations:false"`
OwnerAddressID int
OwnerAddress *Address `gorm:"save_associations:true"`
}
type EncryptedData []byte
func (data *EncryptedData) Scan(value interface{}) error {
if b, ok := value.([]byte); ok {
if len(b) < 3 || b[0] != '*' || b[1] != '*' || b[2] != '*' {
return errors.New("Too short")
}
*data = b[3:]
return nil
}
return errors.New("Bytes expected")
}
func (data EncryptedData) Value() (driver.Value, error) {
if len(data) > 0 && data[0] == 'x' {
//needed to test failures
return nil, errors.New("Should not start with 'x'")
}
//prepend asterisks
return append([]byte("***"), data...), nil
}
type Role struct {
Name string `gorm:"size:256"`
}
func (role *Role) Scan(value interface{}) error {
if b, ok := value.([]uint8); ok {
role.Name = string(b)
} else {
role.Name = value.(string)
}
return nil
}
func (role Role) Value() (driver.Value, error) {
return role.Name, nil
}
func (role Role) IsAdmin() bool {
return role.Name == "admin"
}
type Num int64
func (i *Num) Scan(src interface{}) error {
switch s := src.(type) {
case []byte:
n, _ := strconv.Atoi(string(s))
*i = Num(n)
case int64:
*i = Num(s)
default:
return errors.New("Cannot scan NamedInt from " + reflect.ValueOf(src).String())
}
return nil
}
type Animal struct {
Counter uint64 `gorm:"primary_key:yes"`
Name string `sql:"DEFAULT:'galeone'"`
From string //test reserved sql keyword as field name
Age time.Time `sql:"DEFAULT:current_timestamp"`
unexported string // unexported value
CreatedAt time.Time
UpdatedAt time.Time
}
type JoinTable struct {
From uint64
To uint64
Time time.Time `sql:"default: null"`
}
type Post struct {
Id int64
CategoryId sql.NullInt64
MainCategoryId int64
Title string
Body string
Comments []*Comment
Category Category
MainCategory Category
}
type Category struct {
gorm.Model
Name string
Categories []Category
CategoryID *uint
}
type Comment struct {
gorm.Model
PostId int64
Content string
Post Post
}
// Scanner
type NullValue struct {
Id int64
Name sql.NullString `sql:"not null"`
Gender *sql.NullString `sql:"not null"`
Age sql.NullInt64
Male sql.NullBool
Height sql.NullFloat64
AddedAt NullTime
}
type NullTime struct {
Time time.Time
Valid bool
}
func (nt *NullTime) Scan(value interface{}) error {
if value == nil {
nt.Valid = false
return nil
}
nt.Time, nt.Valid = value.(time.Time), true
return nil
}
func (nt NullTime) Value() (driver.Value, error) {
if !nt.Valid {
return nil, nil
}
return nt.Time, nil
}
func getPreparedUser(name string, role string) *User {
var company Company
DB.Where(Company{Name: role}).FirstOrCreate(&company)
return &User{
Name: name,
Age: 20,
Role: Role{role},
BillingAddress: Address{Address1: fmt.Sprintf("Billing Address %v", name)},
ShippingAddress: Address{Address1: fmt.Sprintf("Shipping Address %v", name)},
CreditCard: CreditCard{Number: fmt.Sprintf("123456%v", name)},
Emails: []Email{
{Email: fmt.Sprintf("user_%v@example1.com", name)}, {Email: fmt.Sprintf("user_%v@example2.com", name)},
},
Company: company,
Languages: []Language{
{Name: fmt.Sprintf("lang_1_%v", name)},
{Name: fmt.Sprintf("lang_2_%v", name)},
},
}
}
func runMigration() {
if err := DB.DropTableIfExists(&User{}).Error; err != nil {
fmt.Printf("Got error when try to delete table users, %+v\n", err)
}
for _, table := range []string{"animals", "user_languages"} {
DB.Exec(fmt.Sprintf("drop table %v;", table))
}
values := []interface{}{&Short{}, &ReallyLongThingThatReferencesShort{}, &ReallyLongTableNameToTestMySQLNameLengthLimit{}, &NotSoLongTableName{}, &Product{}, &Email{}, &Address{}, &CreditCard{}, &Company{}, &Role{}, &Language{}, &HNPost{}, &EngadgetPost{}, &Animal{}, &User{}, &JoinTable{}, &Post{}, &Category{}, &Comment{}, &Cat{}, &Dog{}, &Hamster{}, &Toy{}, &ElementWithIgnoredField{}, &Place{}}
for _, value := range values {
DB.DropTable(value)
}
if err := DB.AutoMigrate(values...).Error; err != nil {
panic(fmt.Sprintf("No error should happen when create table, but got %+v", err))
}
}
func TestIndexes(t *testing.T) {
if err := DB.Model(&Email{}).AddIndex("idx_email_email", "email").Error; err != nil {
t.Errorf("Got error when tried to create index: %+v", err)
}
scope := DB.NewScope(&Email{})
if !scope.Dialect().HasIndex(scope.TableName(), "idx_email_email") {
t.Errorf("Email should have index idx_email_email")
}
if err := DB.Model(&Email{}).RemoveIndex("idx_email_email").Error; err != nil {
t.Errorf("Got error when tried to remove index: %+v", err)
}
if scope.Dialect().HasIndex(scope.TableName(), "idx_email_email") {
t.Errorf("Email's index idx_email_email should be deleted")
}
if err := DB.Model(&Email{}).AddIndex("idx_email_email_and_user_id", "user_id", "email").Error; err != nil {
t.Errorf("Got error when tried to create index: %+v", err)
}
if !scope.Dialect().HasIndex(scope.TableName(), "idx_email_email_and_user_id") {
t.Errorf("Email should have index idx_email_email_and_user_id")
}
if err := DB.Model(&Email{}).RemoveIndex("idx_email_email_and_user_id").Error; err != nil {
t.Errorf("Got error when tried to remove index: %+v", err)
}
if scope.Dialect().HasIndex(scope.TableName(), "idx_email_email_and_user_id") {
t.Errorf("Email's index idx_email_email_and_user_id should be deleted")
}
if err := DB.Model(&Email{}).AddUniqueIndex("idx_email_email_and_user_id", "user_id", "email").Error; err != nil {
t.Errorf("Got error when tried to create index: %+v", err)
}
if !scope.Dialect().HasIndex(scope.TableName(), "idx_email_email_and_user_id") {
t.Errorf("Email should have index idx_email_email_and_user_id")
}
if DB.Save(&User{Name: "unique_indexes", Emails: []Email{{Email: "user1@example.comiii"}, {Email: "user1@example.com"}, {Email: "user1@example.com"}}}).Error == nil {
t.Errorf("Should get to create duplicate record when having unique index")
}
var user = User{Name: "sample_user"}
DB.Save(&user)
if DB.Model(&user).Association("Emails").Append(Email{Email: "not-1duplicated@gmail.com"}, Email{Email: "not-duplicated2@gmail.com"}).Error != nil {
t.Errorf("Should get no error when append two emails for user")
}
if DB.Model(&user).Association("Emails").Append(Email{Email: "duplicated@gmail.com"}, Email{Email: "duplicated@gmail.com"}).Error == nil {
t.Errorf("Should get no duplicated email error when insert duplicated emails for a user")
}
if err := DB.Model(&Email{}).RemoveIndex("idx_email_email_and_user_id").Error; err != nil {
t.Errorf("Got error when tried to remove index: %+v", err)
}
if scope.Dialect().HasIndex(scope.TableName(), "idx_email_email_and_user_id") {
t.Errorf("Email's index idx_email_email_and_user_id should be deleted")
}
if DB.Save(&User{Name: "unique_indexes", Emails: []Email{{Email: "user1@example.com"}, {Email: "user1@example.com"}}}).Error != nil {
t.Errorf("Should be able to create duplicated emails after remove unique index")
}
}
type EmailWithIdx struct {
Id int64
UserId int64
Email string `sql:"index:idx_email_agent"`
UserAgent string `sql:"index:idx_email_agent"`
RegisteredAt *time.Time `sql:"unique_index"`
CreatedAt time.Time
UpdatedAt time.Time
}
func TestAutoMigration(t *testing.T) {
DB.AutoMigrate(&Address{})
DB.DropTable(&EmailWithIdx{})
if err := DB.AutoMigrate(&EmailWithIdx{}).Error; err != nil {
t.Errorf("Auto Migrate should not raise any error")
}
now := time.Now()
DB.Save(&EmailWithIdx{Email: "jinzhu@example.org", UserAgent: "pc", RegisteredAt: &now})
scope := DB.NewScope(&EmailWithIdx{})
if !scope.Dialect().HasIndex(scope.TableName(), "idx_email_agent") {
t.Errorf("Failed to create index")
}
if !scope.Dialect().HasIndex(scope.TableName(), "uix_email_with_idxes_registered_at") {
t.Errorf("Failed to create index")
}
var bigemail EmailWithIdx
DB.First(&bigemail, "user_agent = ?", "pc")
if bigemail.Email != "jinzhu@example.org" || bigemail.UserAgent != "pc" || bigemail.RegisteredAt.IsZero() {
t.Error("Big Emails should be saved and fetched correctly")
}
}
func TestCreateAndAutomigrateTransaction(t *testing.T) {
tx := DB.Begin()
func() {
type Bar struct {
ID uint
}
DB.DropTableIfExists(&Bar{})
if ok := DB.HasTable("bars"); ok {
t.Errorf("Table should not exist, but does")
}
if ok := tx.HasTable("bars"); ok {
t.Errorf("Table should not exist, but does")
}
}()
func() {
type Bar struct {
Name string
}
err := tx.CreateTable(&Bar{}).Error
if err != nil {
t.Errorf("Should have been able to create the table, but couldn't: %s", err)
}
if ok := tx.HasTable(&Bar{}); !ok {
t.Errorf("The transaction should be able to see the table")
}
}()
func() {
type Bar struct {
Stuff string
}
err := tx.AutoMigrate(&Bar{}).Error
if err != nil {
t.Errorf("Should have been able to alter the table, but couldn't")
}
}()
tx.Rollback()
}
type MultipleIndexes struct {
ID int64
UserID int64 `sql:"unique_index:uix_multipleindexes_user_name,uix_multipleindexes_user_email;index:idx_multipleindexes_user_other"`
Name string `sql:"unique_index:uix_multipleindexes_user_name"`
Email string `sql:"unique_index:,uix_multipleindexes_user_email"`
Other string `sql:"index:,idx_multipleindexes_user_other"`
}
func TestMultipleIndexes(t *testing.T) {
if err := DB.DropTableIfExists(&MultipleIndexes{}).Error; err != nil {
fmt.Printf("Got error when try to delete table multiple_indexes, %+v\n", err)
}
DB.AutoMigrate(&MultipleIndexes{})
if err := DB.AutoMigrate(&EmailWithIdx{}).Error; err != nil {
t.Errorf("Auto Migrate should not raise any error")
}
DB.Save(&MultipleIndexes{UserID: 1, Name: "jinzhu", Email: "jinzhu@example.org", Other: "foo"})
scope := DB.NewScope(&MultipleIndexes{})
if !scope.Dialect().HasIndex(scope.TableName(), "uix_multipleindexes_user_name") {
t.Errorf("Failed to create index")
}
if !scope.Dialect().HasIndex(scope.TableName(), "uix_multipleindexes_user_email") {
t.Errorf("Failed to create index")
}
if !scope.Dialect().HasIndex(scope.TableName(), "uix_multiple_indexes_email") {
t.Errorf("Failed to create index")
}
if !scope.Dialect().HasIndex(scope.TableName(), "idx_multipleindexes_user_other") {
t.Errorf("Failed to create index")
}
if !scope.Dialect().HasIndex(scope.TableName(), "idx_multiple_indexes_other") {
t.Errorf("Failed to create index")
}
var mutipleIndexes MultipleIndexes
DB.First(&mutipleIndexes, "name = ?", "jinzhu")
if mutipleIndexes.Email != "jinzhu@example.org" || mutipleIndexes.Name != "jinzhu" {
t.Error("MutipleIndexes should be saved and fetched correctly")
}
// Check unique constraints
if err := DB.Save(&MultipleIndexes{UserID: 1, Name: "name1", Email: "jinzhu@example.org", Other: "foo"}).Error; err == nil {
t.Error("MultipleIndexes unique index failed")
}
if err := DB.Save(&MultipleIndexes{UserID: 1, Name: "name1", Email: "foo@example.org", Other: "foo"}).Error; err != nil {
t.Error("MultipleIndexes unique index failed")
}
if err := DB.Save(&MultipleIndexes{UserID: 2, Name: "name1", Email: "jinzhu@example.org", Other: "foo"}).Error; err == nil {
t.Error("MultipleIndexes unique index failed")
}
if err := DB.Save(&MultipleIndexes{UserID: 2, Name: "name1", Email: "foo2@example.org", Other: "foo"}).Error; err != nil {
t.Error("MultipleIndexes unique index failed")
}
}
func TestModifyColumnType(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "postgres" && dialect != "mysql" && dialect != "mssql" {
t.Skip("Skipping this because only postgres, mysql and mssql support altering a column type")
}
type ModifyColumnType struct {
gorm.Model
Name1 string `gorm:"length:100"`
Name2 string `gorm:"length:200"`
}
DB.DropTable(&ModifyColumnType{})
DB.CreateTable(&ModifyColumnType{})
name2Field, _ := DB.NewScope(&ModifyColumnType{}).FieldByName("Name2")
name2Type := DB.Dialect().DataTypeOf(name2Field.StructField)
if err := DB.Model(&ModifyColumnType{}).ModifyColumn("name1", name2Type).Error; err != nil {
t.Errorf("No error should happen when ModifyColumn, but got %v", err)
}
}
func TestIndexWithPrefixLength(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "mysql" {
t.Skip("Skipping this because only mysql support setting an index prefix length")
}
type IndexWithPrefix struct {
gorm.Model
Name string
Description string `gorm:"type:text;index:idx_index_with_prefixes_length(100)"`
}
type IndexesWithPrefix struct {
gorm.Model
Name string
Description1 string `gorm:"type:text;index:idx_index_with_prefixes_length(100)"`
Description2 string `gorm:"type:text;index:idx_index_with_prefixes_length(100)"`
}
type IndexesWithPrefixAndWithoutPrefix struct {
gorm.Model
Name string `gorm:"index:idx_index_with_prefixes_length"`
Description string `gorm:"type:text;index:idx_index_with_prefixes_length(100)"`
}
tables := []interface{}{&IndexWithPrefix{}, &IndexesWithPrefix{}, &IndexesWithPrefixAndWithoutPrefix{}}
for _, table := range tables {
scope := DB.NewScope(table)
tableName := scope.TableName()
t.Run(fmt.Sprintf("Create index with prefix length: %s", tableName), func(t *testing.T) {
if err := DB.DropTableIfExists(table).Error; err != nil {
t.Errorf("Failed to drop %s table: %v", tableName, err)
}
if err := DB.CreateTable(table).Error; err != nil {
t.Errorf("Failed to create %s table: %v", tableName, err)
}
if !scope.Dialect().HasIndex(tableName, "idx_index_with_prefixes_length") {
t.Errorf("Failed to create %s table index:", tableName)
}
})
}
}

14
model.go
View File

@ -1,14 +0,0 @@
package gorm
import "time"
// Model base model definition, including fields `ID`, `CreatedAt`, `UpdatedAt`, `DeletedAt`, which could be embedded in your models
// type User struct {
// gorm.Model
// }
type Model struct {
ID uint `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
DeletedAt *time.Time `sql:"index"`
}

671
model_struct.go
View File

@ -1,671 +0,0 @@
package gorm
import (
"database/sql"
"errors"
"go/ast"
"reflect"
"strings"
"sync"
"time"
"github.com/jinzhu/inflection"
)
// DefaultTableNameHandler default table name handler
var DefaultTableNameHandler = func(db *DB, defaultTableName string) string {
return defaultTableName
}
// lock for mutating global cached model metadata
var structsLock sync.Mutex
// global cache of model metadata
var modelStructsMap sync.Map
// ModelStruct model definition
type ModelStruct struct {
PrimaryFields []*StructField
StructFields []*StructField
ModelType reflect.Type
defaultTableName string
l sync.Mutex
}
// TableName returns model's table name
func (s *ModelStruct) TableName(db *DB) string {
s.l.Lock()
defer s.l.Unlock()
if s.defaultTableName == "" && db != nil && s.ModelType != nil {
// Set default table name
if tabler, ok := reflect.New(s.ModelType).Interface().(tabler); ok {
s.defaultTableName = tabler.TableName()
} else {
tableName := ToTableName(s.ModelType.Name())
db.parent.RLock()
if db == nil || (db.parent != nil && !db.parent.singularTable) {
tableName = inflection.Plural(tableName)
}
db.parent.RUnlock()
s.defaultTableName = tableName
}
}
return DefaultTableNameHandler(db, s.defaultTableName)
}
// StructField model field's struct definition
type StructField struct {
DBName string
Name string
Names []string
IsPrimaryKey bool
IsNormal bool
IsIgnored bool
IsScanner bool
HasDefaultValue bool
Tag reflect.StructTag
TagSettings map[string]string
Struct reflect.StructField
IsForeignKey bool
Relationship *Relationship
tagSettingsLock sync.RWMutex
}
// TagSettingsSet Sets a tag in the tag settings map
func (sf *StructField) TagSettingsSet(key, val string) {
sf.tagSettingsLock.Lock()
defer sf.tagSettingsLock.Unlock()
sf.TagSettings[key] = val
}
// TagSettingsGet returns a tag from the tag settings
func (sf *StructField) TagSettingsGet(key string) (string, bool) {
sf.tagSettingsLock.RLock()
defer sf.tagSettingsLock.RUnlock()
val, ok := sf.TagSettings[key]
return val, ok
}
// TagSettingsDelete deletes a tag
func (sf *StructField) TagSettingsDelete(key string) {
sf.tagSettingsLock.Lock()
defer sf.tagSettingsLock.Unlock()
delete(sf.TagSettings, key)
}
func (sf *StructField) clone() *StructField {
clone := &StructField{
DBName: sf.DBName,
Name: sf.Name,
Names: sf.Names,
IsPrimaryKey: sf.IsPrimaryKey,
IsNormal: sf.IsNormal,
IsIgnored: sf.IsIgnored,
IsScanner: sf.IsScanner,
HasDefaultValue: sf.HasDefaultValue,
Tag: sf.Tag,
TagSettings: map[string]string{},
Struct: sf.Struct,
IsForeignKey: sf.IsForeignKey,
}
if sf.Relationship != nil {
relationship := *sf.Relationship
clone.Relationship = &relationship
}
// copy the struct field tagSettings, they should be read-locked while they are copied
sf.tagSettingsLock.Lock()
defer sf.tagSettingsLock.Unlock()
for key, value := range sf.TagSettings {
clone.TagSettings[key] = value
}
return clone
}
// Relationship described the relationship between models
type Relationship struct {
Kind string
PolymorphicType string
PolymorphicDBName string
PolymorphicValue string
ForeignFieldNames []string
ForeignDBNames []string
AssociationForeignFieldNames []string
AssociationForeignDBNames []string
JoinTableHandler JoinTableHandlerInterface
}
func getForeignField(column string, fields []*StructField) *StructField {
for _, field := range fields {
if field.Name == column || field.DBName == column || field.DBName == ToColumnName(column) {
return field
}
}
return nil
}
// GetModelStruct get value's model struct, relationships based on struct and tag definition
func (scope *Scope) GetModelStruct() *ModelStruct {
var modelStruct ModelStruct
// Scope value can't be nil
if scope.Value == nil {
return &modelStruct
}
reflectType := reflect.ValueOf(scope.Value).Type()
for reflectType.Kind() == reflect.Slice || reflectType.Kind() == reflect.Ptr {
reflectType = reflectType.Elem()
}
// Scope value need to be a struct
if reflectType.Kind() != reflect.Struct {
return &modelStruct
}
// Get Cached model struct
isSingularTable := false
if scope.db != nil && scope.db.parent != nil {
scope.db.parent.RLock()
isSingularTable = scope.db.parent.singularTable
scope.db.parent.RUnlock()
}
hashKey := struct {
singularTable bool
reflectType reflect.Type
}{isSingularTable, reflectType}
if value, ok := modelStructsMap.Load(hashKey); ok && value != nil {
return value.(*ModelStruct)
}
modelStruct.ModelType = reflectType
// Get all fields
for i := 0; i < reflectType.NumField(); i++ {
if fieldStruct := reflectType.Field(i); ast.IsExported(fieldStruct.Name) {
field := &StructField{
Struct: fieldStruct,
Name: fieldStruct.Name,
Names: []string{fieldStruct.Name},
Tag: fieldStruct.Tag,
TagSettings: parseTagSetting(fieldStruct.Tag),
}
// is ignored field
if _, ok := field.TagSettingsGet("-"); ok {
field.IsIgnored = true
} else {
if _, ok := field.TagSettingsGet("PRIMARY_KEY"); ok {
field.IsPrimaryKey = true
modelStruct.PrimaryFields = append(modelStruct.PrimaryFields, field)
}
if _, ok := field.TagSettingsGet("DEFAULT"); ok && !field.IsPrimaryKey {
field.HasDefaultValue = true
}
if _, ok := field.TagSettingsGet("AUTO_INCREMENT"); ok && !field.IsPrimaryKey {
field.HasDefaultValue = true
}
indirectType := fieldStruct.Type
for indirectType.Kind() == reflect.Ptr {
indirectType = indirectType.Elem()
}
fieldValue := reflect.New(indirectType).Interface()
if _, isScanner := fieldValue.(sql.Scanner); isScanner {
// is scanner
field.IsScanner, field.IsNormal = true, true
if indirectType.Kind() == reflect.Struct {
for i := 0; i < indirectType.NumField(); i++ {
for key, value := range parseTagSetting(indirectType.Field(i).Tag) {
if _, ok := field.TagSettingsGet(key); !ok {
field.TagSettingsSet(key, value)
}
}
}
}
} else if _, isTime := fieldValue.(*time.Time); isTime {
// is time
field.IsNormal = true
} else if _, ok := field.TagSettingsGet("EMBEDDED"); ok || fieldStruct.Anonymous {
// is embedded struct
for _, subField := range scope.New(fieldValue).GetModelStruct().StructFields {
subField = subField.clone()
subField.Names = append([]string{fieldStruct.Name}, subField.Names...)
if prefix, ok := field.TagSettingsGet("EMBEDDED_PREFIX"); ok {
subField.DBName = prefix + subField.DBName
}
if subField.IsPrimaryKey {
if _, ok := subField.TagSettingsGet("PRIMARY_KEY"); ok {
modelStruct.PrimaryFields = append(modelStruct.PrimaryFields, subField)
} else {
subField.IsPrimaryKey = false
}
}
if subField.Relationship != nil && subField.Relationship.JoinTableHandler != nil {
if joinTableHandler, ok := subField.Relationship.JoinTableHandler.(*JoinTableHandler); ok {
newJoinTableHandler := &JoinTableHandler{}
newJoinTableHandler.Setup(subField.Relationship, joinTableHandler.TableName, reflectType, joinTableHandler.Destination.ModelType)
subField.Relationship.JoinTableHandler = newJoinTableHandler
}
}
modelStruct.StructFields = append(modelStruct.StructFields, subField)
}
continue
} else {
// build relationships
switch indirectType.Kind() {
case reflect.Slice:
defer func(field *StructField) {
var (
relationship = &Relationship{}
toScope = scope.New(reflect.New(field.Struct.Type).Interface())
foreignKeys []string
associationForeignKeys []string
elemType = field.Struct.Type
)
if foreignKey, _ := field.TagSettingsGet("FOREIGNKEY"); foreignKey != "" {
foreignKeys = strings.Split(foreignKey, ",")
}
if foreignKey, _ := field.TagSettingsGet("ASSOCIATION_FOREIGNKEY"); foreignKey != "" {
associationForeignKeys = strings.Split(foreignKey, ",")
} else if foreignKey, _ := field.TagSettingsGet("ASSOCIATIONFOREIGNKEY"); foreignKey != "" {
associationForeignKeys = strings.Split(foreignKey, ",")
}
for elemType.Kind() == reflect.Slice || elemType.Kind() == reflect.Ptr {
elemType = elemType.Elem()
}
if elemType.Kind() == reflect.Struct {
if many2many, _ := field.TagSettingsGet("MANY2MANY"); many2many != "" {
relationship.Kind = "many_to_many"
{ // Foreign Keys for Source
joinTableDBNames := []string{}
if foreignKey, _ := field.TagSettingsGet("JOINTABLE_FOREIGNKEY"); foreignKey != "" {
joinTableDBNames = strings.Split(foreignKey, ",")
}
// if no foreign keys defined with tag
if len(foreignKeys) == 0 {
for _, field := range modelStruct.PrimaryFields {
foreignKeys = append(foreignKeys, field.DBName)
}
}
for idx, foreignKey := range foreignKeys {
if foreignField := getForeignField(foreignKey, modelStruct.StructFields); foreignField != nil {
// source foreign keys (db names)
relationship.ForeignFieldNames = append(relationship.ForeignFieldNames, foreignField.DBName)
// setup join table foreign keys for source
if len(joinTableDBNames) > idx {
// if defined join table's foreign key
relationship.ForeignDBNames = append(relationship.ForeignDBNames, joinTableDBNames[idx])
} else {
defaultJointableForeignKey := ToColumnName(reflectType.Name()) + "_" + foreignField.DBName
relationship.ForeignDBNames = append(relationship.ForeignDBNames, defaultJointableForeignKey)
}
}
}
}
{ // Foreign Keys for Association (Destination)
associationJoinTableDBNames := []string{}
if foreignKey, _ := field.TagSettingsGet("ASSOCIATION_JOINTABLE_FOREIGNKEY"); foreignKey != "" {
associationJoinTableDBNames = strings.Split(foreignKey, ",")
}
// if no association foreign keys defined with tag
if len(associationForeignKeys) == 0 {
for _, field := range toScope.PrimaryFields() {
associationForeignKeys = append(associationForeignKeys, field.DBName)
}
}
for idx, name := range associationForeignKeys {
if field, ok := toScope.FieldByName(name); ok {
// association foreign keys (db names)
relationship.AssociationForeignFieldNames = append(relationship.AssociationForeignFieldNames, field.DBName)
// setup join table foreign keys for association
if len(associationJoinTableDBNames) > idx {
relationship.AssociationForeignDBNames = append(relationship.AssociationForeignDBNames, associationJoinTableDBNames[idx])
} else {
// join table foreign keys for association
joinTableDBName := ToColumnName(elemType.Name()) + "_" + field.DBName
relationship.AssociationForeignDBNames = append(relationship.AssociationForeignDBNames, joinTableDBName)
}
}
}
}
joinTableHandler := JoinTableHandler{}
joinTableHandler.Setup(relationship, many2many, reflectType, elemType)
relationship.JoinTableHandler = &joinTableHandler
field.Relationship = relationship
} else {
// User has many comments, associationType is User, comment use UserID as foreign key
var associationType = reflectType.Name()
var toFields = toScope.GetStructFields()
relationship.Kind = "has_many"
if polymorphic, _ := field.TagSettingsGet("POLYMORPHIC"); polymorphic != "" {
// Dog has many toys, tag polymorphic is Owner, then associationType is Owner
// Toy use OwnerID, OwnerType ('dogs') as foreign key
if polymorphicType := getForeignField(polymorphic+"Type", toFields); polymorphicType != nil {
associationType = polymorphic
relationship.PolymorphicType = polymorphicType.Name
relationship.PolymorphicDBName = polymorphicType.DBName
// if Dog has multiple set of toys set name of the set (instead of default 'dogs')
if value, ok := field.TagSettingsGet("POLYMORPHIC_VALUE"); ok {
relationship.PolymorphicValue = value
} else {
relationship.PolymorphicValue = scope.TableName()
}
polymorphicType.IsForeignKey = true
}
}
// if no foreign keys defined with tag
if len(foreignKeys) == 0 {
// if no association foreign keys defined with tag
if len(associationForeignKeys) == 0 {
for _, field := range modelStruct.PrimaryFields {
foreignKeys = append(foreignKeys, associationType+field.Name)
associationForeignKeys = append(associationForeignKeys, field.Name)
}
} else {
// generate foreign keys from defined association foreign keys
for _, scopeFieldName := range associationForeignKeys {
if foreignField := getForeignField(scopeFieldName, modelStruct.StructFields); foreignField != nil {
foreignKeys = append(foreignKeys, associationType+foreignField.Name)
associationForeignKeys = append(associationForeignKeys, foreignField.Name)
}
}
}
} else {
// generate association foreign keys from foreign keys
if len(associationForeignKeys) == 0 {
for _, foreignKey := range foreignKeys {
if strings.HasPrefix(foreignKey, associationType) {
associationForeignKey := strings.TrimPrefix(foreignKey, associationType)
if foreignField := getForeignField(associationForeignKey, modelStruct.StructFields); foreignField != nil {
associationForeignKeys = append(associationForeignKeys, associationForeignKey)
}
}
}
if len(associationForeignKeys) == 0 && len(foreignKeys) == 1 {
associationForeignKeys = []string{scope.PrimaryKey()}
}
} else if len(foreignKeys) != len(associationForeignKeys) {
scope.Err(errors.New("invalid foreign keys, should have same length"))
return
}
}
for idx, foreignKey := range foreignKeys {
if foreignField := getForeignField(foreignKey, toFields); foreignField != nil {
if associationField := getForeignField(associationForeignKeys[idx], modelStruct.StructFields); associationField != nil {
// mark field as foreignkey, use global lock to avoid race
structsLock.Lock()
foreignField.IsForeignKey = true
structsLock.Unlock()
// association foreign keys
relationship.AssociationForeignFieldNames = append(relationship.AssociationForeignFieldNames, associationField.Name)
relationship.AssociationForeignDBNames = append(relationship.AssociationForeignDBNames, associationField.DBName)
// association foreign keys
relationship.ForeignFieldNames = append(relationship.ForeignFieldNames, foreignField.Name)
relationship.ForeignDBNames = append(relationship.ForeignDBNames, foreignField.DBName)
}
}
}
if len(relationship.ForeignFieldNames) != 0 {
field.Relationship = relationship
}
}
} else {
field.IsNormal = true
}
}(field)
case reflect.Struct:
defer func(field *StructField) {
var (
// user has one profile, associationType is User, profile use UserID as foreign key
// user belongs to profile, associationType is Profile, user use ProfileID as foreign key
associationType = reflectType.Name()
relationship = &Relationship{}
toScope = scope.New(reflect.New(field.Struct.Type).Interface())
toFields = toScope.GetStructFields()
tagForeignKeys []string
tagAssociationForeignKeys []string
)
if foreignKey, _ := field.TagSettingsGet("FOREIGNKEY"); foreignKey != "" {
tagForeignKeys = strings.Split(foreignKey, ",")
}
if foreignKey, _ := field.TagSettingsGet("ASSOCIATION_FOREIGNKEY"); foreignKey != "" {
tagAssociationForeignKeys = strings.Split(foreignKey, ",")
} else if foreignKey, _ := field.TagSettingsGet("ASSOCIATIONFOREIGNKEY"); foreignKey != "" {
tagAssociationForeignKeys = strings.Split(foreignKey, ",")
}
if polymorphic, _ := field.TagSettingsGet("POLYMORPHIC"); polymorphic != "" {
// Cat has one toy, tag polymorphic is Owner, then associationType is Owner
// Toy use OwnerID, OwnerType ('cats') as foreign key
if polymorphicType := getForeignField(polymorphic+"Type", toFields); polymorphicType != nil {
associationType = polymorphic
relationship.PolymorphicType = polymorphicType.Name
relationship.PolymorphicDBName = polymorphicType.DBName
// if Cat has several different types of toys set name for each (instead of default 'cats')
if value, ok := field.TagSettingsGet("POLYMORPHIC_VALUE"); ok {
relationship.PolymorphicValue = value
} else {
relationship.PolymorphicValue = scope.TableName()
}
polymorphicType.IsForeignKey = true
}
}
// Has One
{
var foreignKeys = tagForeignKeys
var associationForeignKeys = tagAssociationForeignKeys
// if no foreign keys defined with tag
if len(foreignKeys) == 0 {
// if no association foreign keys defined with tag
if len(associationForeignKeys) == 0 {
for _, primaryField := range modelStruct.PrimaryFields {
foreignKeys = append(foreignKeys, associationType+primaryField.Name)
associationForeignKeys = append(associationForeignKeys, primaryField.Name)
}
} else {
// generate foreign keys form association foreign keys
for _, associationForeignKey := range tagAssociationForeignKeys {
if foreignField := getForeignField(associationForeignKey, modelStruct.StructFields); foreignField != nil {
foreignKeys = append(foreignKeys, associationType+foreignField.Name)
associationForeignKeys = append(associationForeignKeys, foreignField.Name)
}
}
}
} else {
// generate association foreign keys from foreign keys
if len(associationForeignKeys) == 0 {
for _, foreignKey := range foreignKeys {
if strings.HasPrefix(foreignKey, associationType) {
associationForeignKey := strings.TrimPrefix(foreignKey, associationType)
if foreignField := getForeignField(associationForeignKey, modelStruct.StructFields); foreignField != nil {
associationForeignKeys = append(associationForeignKeys, associationForeignKey)
}
}
}
if len(associationForeignKeys) == 0 && len(foreignKeys) == 1 {
associationForeignKeys = []string{scope.PrimaryKey()}
}
} else if len(foreignKeys) != len(associationForeignKeys) {
scope.Err(errors.New("invalid foreign keys, should have same length"))
return
}
}
for idx, foreignKey := range foreignKeys {
if foreignField := getForeignField(foreignKey, toFields); foreignField != nil {
if scopeField := getForeignField(associationForeignKeys[idx], modelStruct.StructFields); scopeField != nil {
// mark field as foreignkey, use global lock to avoid race
structsLock.Lock()
foreignField.IsForeignKey = true
structsLock.Unlock()
// association foreign keys
relationship.AssociationForeignFieldNames = append(relationship.AssociationForeignFieldNames, scopeField.Name)
relationship.AssociationForeignDBNames = append(relationship.AssociationForeignDBNames, scopeField.DBName)
// association foreign keys
relationship.ForeignFieldNames = append(relationship.ForeignFieldNames, foreignField.Name)
relationship.ForeignDBNames = append(relationship.ForeignDBNames, foreignField.DBName)
}
}
}
}
if len(relationship.ForeignFieldNames) != 0 {
relationship.Kind = "has_one"
field.Relationship = relationship
} else {
var foreignKeys = tagForeignKeys
var associationForeignKeys = tagAssociationForeignKeys
if len(foreignKeys) == 0 {
// generate foreign keys & association foreign keys
if len(associationForeignKeys) == 0 {
for _, primaryField := range toScope.PrimaryFields() {
foreignKeys = append(foreignKeys, field.Name+primaryField.Name)
associationForeignKeys = append(associationForeignKeys, primaryField.Name)
}
} else {
// generate foreign keys with association foreign keys
for _, associationForeignKey := range associationForeignKeys {
if foreignField := getForeignField(associationForeignKey, toFields); foreignField != nil {
foreignKeys = append(foreignKeys, field.Name+foreignField.Name)
associationForeignKeys = append(associationForeignKeys, foreignField.Name)
}
}
}
} else {
// generate foreign keys & association foreign keys
if len(associationForeignKeys) == 0 {
for _, foreignKey := range foreignKeys {
if strings.HasPrefix(foreignKey, field.Name) {
associationForeignKey := strings.TrimPrefix(foreignKey, field.Name)
if foreignField := getForeignField(associationForeignKey, toFields); foreignField != nil {
associationForeignKeys = append(associationForeignKeys, associationForeignKey)
}
}
}
if len(associationForeignKeys) == 0 && len(foreignKeys) == 1 {
associationForeignKeys = []string{toScope.PrimaryKey()}
}
} else if len(foreignKeys) != len(associationForeignKeys) {
scope.Err(errors.New("invalid foreign keys, should have same length"))
return
}
}
for idx, foreignKey := range foreignKeys {
if foreignField := getForeignField(foreignKey, modelStruct.StructFields); foreignField != nil {
if associationField := getForeignField(associationForeignKeys[idx], toFields); associationField != nil {
// mark field as foreignkey, use global lock to avoid race
structsLock.Lock()
foreignField.IsForeignKey = true
structsLock.Unlock()
// association foreign keys
relationship.AssociationForeignFieldNames = append(relationship.AssociationForeignFieldNames, associationField.Name)
relationship.AssociationForeignDBNames = append(relationship.AssociationForeignDBNames, associationField.DBName)
// source foreign keys
relationship.ForeignFieldNames = append(relationship.ForeignFieldNames, foreignField.Name)
relationship.ForeignDBNames = append(relationship.ForeignDBNames, foreignField.DBName)
}
}
}
if len(relationship.ForeignFieldNames) != 0 {
relationship.Kind = "belongs_to"
field.Relationship = relationship
}
}
}(field)
default:
field.IsNormal = true
}
}
}
// Even it is ignored, also possible to decode db value into the field
if value, ok := field.TagSettingsGet("COLUMN"); ok {
field.DBName = value
} else {
field.DBName = ToColumnName(fieldStruct.Name)
}
modelStruct.StructFields = append(modelStruct.StructFields, field)
}
}
if len(modelStruct.PrimaryFields) == 0 {
if field := getForeignField("id", modelStruct.StructFields); field != nil {
field.IsPrimaryKey = true
modelStruct.PrimaryFields = append(modelStruct.PrimaryFields, field)
}
}
modelStructsMap.Store(hashKey, &modelStruct)
return &modelStruct
}
// GetStructFields get model's field structs
func (scope *Scope) GetStructFields() (fields []*StructField) {
return scope.GetModelStruct().StructFields
}
func parseTagSetting(tags reflect.StructTag) map[string]string {
setting := map[string]string{}
for _, str := range []string{tags.Get("sql"), tags.Get("gorm")} {
if str == "" {
continue
}
tags := strings.Split(str, ";")
for _, value := range tags {
v := strings.Split(value, ":")
k := strings.TrimSpace(strings.ToUpper(v[0]))
if len(v) >= 2 {
setting[k] = strings.Join(v[1:], ":")
} else {
setting[k] = k
}
}
}
return setting
}

93
model_struct_test.go
View File

@ -1,93 +0,0 @@
package gorm_test
import (
"sync"
"testing"
"github.com/jinzhu/gorm"
)
type ModelA struct {
gorm.Model
Name string
ModelCs []ModelC `gorm:"foreignkey:OtherAID"`
}
type ModelB struct {
gorm.Model
Name string
ModelCs []ModelC `gorm:"foreignkey:OtherBID"`
}
type ModelC struct {
gorm.Model
Name string
OtherAID uint64
OtherA *ModelA `gorm:"foreignkey:OtherAID"`
OtherBID uint64
OtherB *ModelB `gorm:"foreignkey:OtherBID"`
}
// This test will try to cause a race condition on the model's foreignkey metadata
func TestModelStructRaceSameModel(t *testing.T) {
// use a WaitGroup to execute as much in-sync as possible
// it's more likely to hit a race condition than without
n := 32
start := sync.WaitGroup{}
start.Add(n)
// use another WaitGroup to know when the test is done
done := sync.WaitGroup{}
done.Add(n)
for i := 0; i < n; i++ {
go func() {
start.Wait()
// call GetStructFields, this had a race condition before we fixed it
DB.NewScope(&ModelA{}).GetStructFields()
done.Done()
}()
start.Done()
}
done.Wait()
}
// This test will try to cause a race condition on the model's foreignkey metadata
func TestModelStructRaceDifferentModel(t *testing.T) {
// use a WaitGroup to execute as much in-sync as possible
// it's more likely to hit a race condition than without
n := 32
start := sync.WaitGroup{}
start.Add(n)
// use another WaitGroup to know when the test is done
done := sync.WaitGroup{}
done.Add(n)
for i := 0; i < n; i++ {
i := i
go func() {
start.Wait()
// call GetStructFields, this had a race condition before we fixed it
if i%2 == 0 {
DB.NewScope(&ModelA{}).GetStructFields()
} else {
DB.NewScope(&ModelB{}).GetStructFields()
}
done.Done()
}()
start.Done()
}
done.Wait()
}

381
multi_primary_keys_test.go
View File

@ -1,381 +0,0 @@
package gorm_test
import (
"os"
"reflect"
"sort"
"testing"
)
type Blog struct {
ID uint `gorm:"primary_key"`
Locale string `gorm:"primary_key"`
Subject string
Body string
Tags []Tag `gorm:"many2many:blog_tags;"`
SharedTags []Tag `gorm:"many2many:shared_blog_tags;ForeignKey:id;AssociationForeignKey:id"`
LocaleTags []Tag `gorm:"many2many:locale_blog_tags;ForeignKey:id,locale;AssociationForeignKey:id"`
}
type Tag struct {
ID uint `gorm:"primary_key"`
Locale string `gorm:"primary_key"`
Value string
Blogs []*Blog `gorm:"many2many:blogs_tags"`
}
func compareTags(tags []Tag, contents []string) bool {
var tagContents []string
for _, tag := range tags {
tagContents = append(tagContents, tag.Value)
}
sort.Strings(tagContents)
sort.Strings(contents)
return reflect.DeepEqual(tagContents, contents)
}
func TestManyToManyWithMultiPrimaryKeys(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "" && dialect != "sqlite" && dialect != "mssql" {
DB.DropTable(&Blog{}, &Tag{})
DB.DropTable("blog_tags")
DB.CreateTable(&Blog{}, &Tag{})
blog := Blog{
Locale: "ZH",
Subject: "subject",
Body: "body",
Tags: []Tag{
{Locale: "ZH", Value: "tag1"},
{Locale: "ZH", Value: "tag2"},
},
}
DB.Save(&blog)
if !compareTags(blog.Tags, []string{"tag1", "tag2"}) {
t.Errorf("Blog should has two tags")
}
// Append
var tag3 = &Tag{Locale: "ZH", Value: "tag3"}
DB.Model(&blog).Association("Tags").Append([]*Tag{tag3})
if !compareTags(blog.Tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Blog should has three tags after Append")
}
if DB.Model(&blog).Association("Tags").Count() != 3 {
t.Errorf("Blog should has three tags after Append")
}
var tags []Tag
DB.Model(&blog).Related(&tags, "Tags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Should find 3 tags with Related")
}
var blog1 Blog
DB.Preload("Tags").Find(&blog1)
if !compareTags(blog1.Tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Preload many2many relations")
}
// Replace
var tag5 = &Tag{Locale: "ZH", Value: "tag5"}
var tag6 = &Tag{Locale: "ZH", Value: "tag6"}
DB.Model(&blog).Association("Tags").Replace(tag5, tag6)
var tags2 []Tag
DB.Model(&blog).Related(&tags2, "Tags")
if !compareTags(tags2, []string{"tag5", "tag6"}) {
t.Errorf("Should find 2 tags after Replace")
}
if DB.Model(&blog).Association("Tags").Count() != 2 {
t.Errorf("Blog should has three tags after Replace")
}
// Delete
DB.Model(&blog).Association("Tags").Delete(tag5)
var tags3 []Tag
DB.Model(&blog).Related(&tags3, "Tags")
if !compareTags(tags3, []string{"tag6"}) {
t.Errorf("Should find 1 tags after Delete")
}
if DB.Model(&blog).Association("Tags").Count() != 1 {
t.Errorf("Blog should has three tags after Delete")
}
DB.Model(&blog).Association("Tags").Delete(tag3)
var tags4 []Tag
DB.Model(&blog).Related(&tags4, "Tags")
if !compareTags(tags4, []string{"tag6"}) {
t.Errorf("Tag should not be deleted when Delete with a unrelated tag")
}
// Clear
DB.Model(&blog).Association("Tags").Clear()
if DB.Model(&blog).Association("Tags").Count() != 0 {
t.Errorf("All tags should be cleared")
}
}
}
func TestManyToManyWithCustomizedForeignKeys(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "" && dialect != "sqlite" && dialect != "mssql" {
DB.DropTable(&Blog{}, &Tag{})
DB.DropTable("shared_blog_tags")
DB.CreateTable(&Blog{}, &Tag{})
blog := Blog{
Locale: "ZH",
Subject: "subject",
Body: "body",
SharedTags: []Tag{
{Locale: "ZH", Value: "tag1"},
{Locale: "ZH", Value: "tag2"},
},
}
DB.Save(&blog)
blog2 := Blog{
ID: blog.ID,
Locale: "EN",
}
DB.Create(&blog2)
if !compareTags(blog.SharedTags, []string{"tag1", "tag2"}) {
t.Errorf("Blog should has two tags")
}
// Append
var tag3 = &Tag{Locale: "ZH", Value: "tag3"}
DB.Model(&blog).Association("SharedTags").Append([]*Tag{tag3})
if !compareTags(blog.SharedTags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Blog should has three tags after Append")
}
if DB.Model(&blog).Association("SharedTags").Count() != 3 {
t.Errorf("Blog should has three tags after Append")
}
if DB.Model(&blog2).Association("SharedTags").Count() != 3 {
t.Errorf("Blog should has three tags after Append")
}
var tags []Tag
DB.Model(&blog).Related(&tags, "SharedTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Should find 3 tags with Related")
}
DB.Model(&blog2).Related(&tags, "SharedTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Should find 3 tags with Related")
}
var blog1 Blog
DB.Preload("SharedTags").Find(&blog1)
if !compareTags(blog1.SharedTags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Preload many2many relations")
}
var tag4 = &Tag{Locale: "ZH", Value: "tag4"}
DB.Model(&blog2).Association("SharedTags").Append(tag4)
DB.Model(&blog).Related(&tags, "SharedTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3", "tag4"}) {
t.Errorf("Should find 3 tags with Related")
}
DB.Model(&blog2).Related(&tags, "SharedTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3", "tag4"}) {
t.Errorf("Should find 3 tags with Related")
}
// Replace
var tag5 = &Tag{Locale: "ZH", Value: "tag5"}
var tag6 = &Tag{Locale: "ZH", Value: "tag6"}
DB.Model(&blog2).Association("SharedTags").Replace(tag5, tag6)
var tags2 []Tag
DB.Model(&blog).Related(&tags2, "SharedTags")
if !compareTags(tags2, []string{"tag5", "tag6"}) {
t.Errorf("Should find 2 tags after Replace")
}
DB.Model(&blog2).Related(&tags2, "SharedTags")
if !compareTags(tags2, []string{"tag5", "tag6"}) {
t.Errorf("Should find 2 tags after Replace")
}
if DB.Model(&blog).Association("SharedTags").Count() != 2 {
t.Errorf("Blog should has three tags after Replace")
}
// Delete
DB.Model(&blog).Association("SharedTags").Delete(tag5)
var tags3 []Tag
DB.Model(&blog).Related(&tags3, "SharedTags")
if !compareTags(tags3, []string{"tag6"}) {
t.Errorf("Should find 1 tags after Delete")
}
if DB.Model(&blog).Association("SharedTags").Count() != 1 {
t.Errorf("Blog should has three tags after Delete")
}
DB.Model(&blog2).Association("SharedTags").Delete(tag3)
var tags4 []Tag
DB.Model(&blog).Related(&tags4, "SharedTags")
if !compareTags(tags4, []string{"tag6"}) {
t.Errorf("Tag should not be deleted when Delete with a unrelated tag")
}
// Clear
DB.Model(&blog2).Association("SharedTags").Clear()
if DB.Model(&blog).Association("SharedTags").Count() != 0 {
t.Errorf("All tags should be cleared")
}
}
}
func TestManyToManyWithCustomizedForeignKeys2(t *testing.T) {
if dialect := os.Getenv("GORM_DIALECT"); dialect != "" && dialect != "sqlite" && dialect != "mssql" {
DB.DropTable(&Blog{}, &Tag{})
DB.DropTable("locale_blog_tags")
DB.CreateTable(&Blog{}, &Tag{})
blog := Blog{
Locale: "ZH",
Subject: "subject",
Body: "body",
LocaleTags: []Tag{
{Locale: "ZH", Value: "tag1"},
{Locale: "ZH", Value: "tag2"},
},
}
DB.Save(&blog)
blog2 := Blog{
ID: blog.ID,
Locale: "EN",
}
DB.Create(&blog2)
// Append
var tag3 = &Tag{Locale: "ZH", Value: "tag3"}
DB.Model(&blog).Association("LocaleTags").Append([]*Tag{tag3})
if !compareTags(blog.LocaleTags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Blog should has three tags after Append")
}
if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
t.Errorf("Blog should has three tags after Append")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 0 {
t.Errorf("EN Blog should has 0 tags after ZH Blog Append")
}
var tags []Tag
DB.Model(&blog).Related(&tags, "LocaleTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Should find 3 tags with Related")
}
DB.Model(&blog2).Related(&tags, "LocaleTags")
if len(tags) != 0 {
t.Errorf("Should find 0 tags with Related for EN Blog")
}
var blog1 Blog
DB.Preload("LocaleTags").Find(&blog1, "locale = ? AND id = ?", "ZH", blog.ID)
if !compareTags(blog1.LocaleTags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Preload many2many relations")
}
var tag4 = &Tag{Locale: "ZH", Value: "tag4"}
DB.Model(&blog2).Association("LocaleTags").Append(tag4)
DB.Model(&blog).Related(&tags, "LocaleTags")
if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("Should find 3 tags with Related for EN Blog")
}
DB.Model(&blog2).Related(&tags, "LocaleTags")
if !compareTags(tags, []string{"tag4"}) {
t.Errorf("Should find 1 tags with Related for EN Blog")
}
// Replace
var tag5 = &Tag{Locale: "ZH", Value: "tag5"}
var tag6 = &Tag{Locale: "ZH", Value: "tag6"}
DB.Model(&blog2).Association("LocaleTags").Replace(tag5, tag6)
var tags2 []Tag
DB.Model(&blog).Related(&tags2, "LocaleTags")
if !compareTags(tags2, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("CN Blog's tags should not be changed after EN Blog Replace")
}
var blog11 Blog
DB.Preload("LocaleTags").First(&blog11, "id = ? AND locale = ?", blog.ID, blog.Locale)
if !compareTags(blog11.LocaleTags, []string{"tag1", "tag2", "tag3"}) {
t.Errorf("CN Blog's tags should not be changed after EN Blog Replace")
}
DB.Model(&blog2).Related(&tags2, "LocaleTags")
if !compareTags(tags2, []string{"tag5", "tag6"}) {
t.Errorf("Should find 2 tags after Replace")
}
var blog21 Blog
DB.Preload("LocaleTags").First(&blog21, "id = ? AND locale = ?", blog2.ID, blog2.Locale)
if !compareTags(blog21.LocaleTags, []string{"tag5", "tag6"}) {
t.Errorf("EN Blog's tags should be changed after Replace")
}
if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
t.Errorf("ZH Blog should has three tags after Replace")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 2 {
t.Errorf("EN Blog should has two tags after Replace")
}
// Delete
DB.Model(&blog).Association("LocaleTags").Delete(tag5)
if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
t.Errorf("ZH Blog should has three tags after Delete with EN's tag")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 2 {
t.Errorf("EN Blog should has two tags after ZH Blog Delete with EN's tag")
}
DB.Model(&blog2).Association("LocaleTags").Delete(tag5)
if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
t.Errorf("ZH Blog should has three tags after EN Blog Delete with EN's tag")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 1 {
t.Errorf("EN Blog should has 1 tags after EN Blog Delete with EN's tag")
}
// Clear
DB.Model(&blog2).Association("LocaleTags").Clear()
if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
t.Errorf("ZH Blog's tags should not be cleared when clear EN Blog's tags")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 0 {
t.Errorf("EN Blog's tags should be cleared when clear EN Blog's tags")
}
DB.Model(&blog).Association("LocaleTags").Clear()
if DB.Model(&blog).Association("LocaleTags").Count() != 0 {
t.Errorf("ZH Blog's tags should be cleared when clear ZH Blog's tags")
}
if DB.Model(&blog2).Association("LocaleTags").Count() != 0 {
t.Errorf("EN Blog's tags should be cleared")
}
}
}

124
naming.go
View File

@ -1,124 +0,0 @@
package gorm
import (
"bytes"
"strings"
)
// Namer is a function type which is given a string and return a string
type Namer func(string) string
// NamingStrategy represents naming strategies
type NamingStrategy struct {
DB Namer
Table Namer
Column Namer
}
// TheNamingStrategy is being initialized with defaultNamingStrategy
var TheNamingStrategy = &NamingStrategy{
DB: defaultNamer,
Table: defaultNamer,
Column: defaultNamer,
}
// AddNamingStrategy sets the naming strategy
func AddNamingStrategy(ns *NamingStrategy) {
if ns.DB == nil {
ns.DB = defaultNamer
}
if ns.Table == nil {
ns.Table = defaultNamer
}
if ns.Column == nil {
ns.Column = defaultNamer
}
TheNamingStrategy = ns
}
// DBName alters the given name by DB
func (ns *NamingStrategy) DBName(name string) string {
return ns.DB(name)
}
// TableName alters the given name by Table
func (ns *NamingStrategy) TableName(name string) string {
return ns.Table(name)
}
// ColumnName alters the given name by Column
func (ns *NamingStrategy) ColumnName(name string) string {
return ns.Column(name)
}
// ToDBName convert string to db name
func ToDBName(name string) string {
return TheNamingStrategy.DBName(name)
}
// ToTableName convert string to table name
func ToTableName(name string) string {
return TheNamingStrategy.TableName(name)
}
// ToColumnName convert string to db name
func ToColumnName(name string) string {
return TheNamingStrategy.ColumnName(name)
}
var smap = newSafeMap()
func defaultNamer(name string) string {
const (
lower = false
upper = true
)
if v := smap.Get(name); v != "" {
return v
}
if name == "" {
return ""
}
var (
value = commonInitialismsReplacer.Replace(name)
buf = bytes.NewBufferString("")
lastCase, currCase, nextCase, nextNumber bool
)
for i, v := range value[:len(value)-1] {
nextCase = bool(value[i+1] >= 'A' && value[i+1] <= 'Z')
nextNumber = bool(value[i+1] >= '0' && value[i+1] <= '9')
if i > 0 {
if currCase == upper {
if lastCase == upper && (nextCase == upper || nextNumber == upper) {
buf.WriteRune(v)
} else {
if value[i-1] != '_' && value[i+1] != '_' {
buf.WriteRune('_')
}
buf.WriteRune(v)
}
} else {
buf.WriteRune(v)
if i == len(value)-2 && (nextCase == upper && nextNumber == lower) {
buf.WriteRune('_')
}
}
} else {
currCase = upper
buf.WriteRune(v)
}
lastCase = currCase
currCase = nextCase
}
buf.WriteByte(value[len(value)-1])
s := strings.ToLower(buf.String())
smap.Set(name, s)
return s
}

69
naming_test.go
View File

@ -1,69 +0,0 @@
package gorm_test
import (
"testing"
"github.com/jinzhu/gorm"
)
func TestTheNamingStrategy(t *testing.T) {
cases := []struct {
name string
namer gorm.Namer
expected string
}{
{name: "auth", expected: "auth", namer: gorm.TheNamingStrategy.DB},
{name: "userRestrictions", expected: "user_restrictions", namer: gorm.TheNamingStrategy.Table},
{name: "clientID", expected: "client_id", namer: gorm.TheNamingStrategy.Column},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
result := c.namer(c.name)
if result != c.expected {
t.Errorf("error in naming strategy. expected: %v got :%v\n", c.expected, result)
}
})
}
}
func TestNamingStrategy(t *testing.T) {
dbNameNS := func(name string) string {
return "db_" + name
}
tableNameNS := func(name string) string {
return "tbl_" + name
}
columnNameNS := func(name string) string {
return "col_" + name
}
ns := &gorm.NamingStrategy{
DB: dbNameNS,
Table: tableNameNS,
Column: columnNameNS,
}
cases := []struct {
name string
namer gorm.Namer
expected string
}{
{name: "auth", expected: "db_auth", namer: ns.DB},
{name: "user", expected: "tbl_user", namer: ns.Table},
{name: "password", expected: "col_password", namer: ns.Column},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
result := c.namer(c.name)
if result != c.expected {
t.Errorf("error in naming strategy. expected: %v got :%v\n", c.expected, result)
}
})
}
}

84
pointer_test.go
View File

@ -1,84 +0,0 @@
package gorm_test
import "testing"
type PointerStruct struct {
ID int64
Name *string
Num *int
}
type NormalStruct struct {
ID int64
Name string
Num int
}
func TestPointerFields(t *testing.T) {
DB.DropTable(&PointerStruct{})
DB.AutoMigrate(&PointerStruct{})
var name = "pointer struct 1"
var num = 100
pointerStruct := PointerStruct{Name: &name, Num: &num}
if DB.Create(&pointerStruct).Error != nil {
t.Errorf("Failed to save pointer struct")
}
var pointerStructResult PointerStruct
if err := DB.First(&pointerStructResult, "id = ?", pointerStruct.ID).Error; err != nil || *pointerStructResult.Name != name || *pointerStructResult.Num != num {
t.Errorf("Failed to query saved pointer struct")
}
var tableName = DB.NewScope(&PointerStruct{}).TableName()
var normalStruct NormalStruct
DB.Table(tableName).First(&normalStruct)
if normalStruct.Name != name || normalStruct.Num != num {
t.Errorf("Failed to query saved Normal struct")
}
var nilPointerStruct = PointerStruct{}
if err := DB.Create(&nilPointerStruct).Error; err != nil {
t.Error("Failed to save nil pointer struct", err)
}
var pointerStruct2 PointerStruct
if err := DB.First(&pointerStruct2, "id = ?", nilPointerStruct.ID).Error; err != nil {
t.Error("Failed to query saved nil pointer struct", err)
}
var normalStruct2 NormalStruct
if err := DB.Table(tableName).First(&normalStruct2, "id = ?", nilPointerStruct.ID).Error; err != nil {
t.Error("Failed to query saved nil pointer struct", err)
}
var partialNilPointerStruct1 = PointerStruct{Num: &num}
if err := DB.Create(&partialNilPointerStruct1).Error; err != nil {
t.Error("Failed to save partial nil pointer struct", err)
}
var pointerStruct3 PointerStruct
if err := DB.First(&pointerStruct3, "id = ?", partialNilPointerStruct1.ID).Error; err != nil || *pointerStruct3.Num != num {
t.Error("Failed to query saved partial nil pointer struct", err)
}
var normalStruct3 NormalStruct
if err := DB.Table(tableName).First(&normalStruct3, "id = ?", partialNilPointerStruct1.ID).Error; err != nil || normalStruct3.Num != num {
t.Error("Failed to query saved partial pointer struct", err)
}
var partialNilPointerStruct2 = PointerStruct{Name: &name}
if err := DB.Create(&partialNilPointerStruct2).Error; err != nil {
t.Error("Failed to save partial nil pointer struct", err)
}
var pointerStruct4 PointerStruct
if err := DB.First(&pointerStruct4, "id = ?", partialNilPointerStruct2.ID).Error; err != nil || *pointerStruct4.Name != name {
t.Error("Failed to query saved partial nil pointer struct", err)
}
var normalStruct4 NormalStruct
if err := DB.Table(tableName).First(&normalStruct4, "id = ?", partialNilPointerStruct2.ID).Error; err != nil || normalStruct4.Name != name {
t.Error("Failed to query saved partial pointer struct", err)
}
}

366
polymorphic_test.go
View File

@ -1,366 +0,0 @@
package gorm_test
import (
"reflect"
"sort"
"testing"
)
type Cat struct {
Id int
Name string
Toy Toy `gorm:"polymorphic:Owner;"`
}
type Dog struct {
Id int
Name string
Toys []Toy `gorm:"polymorphic:Owner;"`
}
type Hamster struct {
Id int
Name string
PreferredToy Toy `gorm:"polymorphic:Owner;polymorphic_value:hamster_preferred"`
OtherToy Toy `gorm:"polymorphic:Owner;polymorphic_value:hamster_other"`
}
type Toy struct {
Id int
Name string
OwnerId int
OwnerType string
}
var compareToys = func(toys []Toy, contents []string) bool {
var toyContents []string
for _, toy := range toys {
toyContents = append(toyContents, toy.Name)
}
sort.Strings(toyContents)
sort.Strings(contents)
return reflect.DeepEqual(toyContents, contents)
}
func TestPolymorphic(t *testing.T) {
cat := Cat{Name: "Mr. Bigglesworth", Toy: Toy{Name: "cat toy"}}
dog := Dog{Name: "Pluto", Toys: []Toy{{Name: "dog toy 1"}, {Name: "dog toy 2"}}}
DB.Save(&cat).Save(&dog)
if DB.Model(&cat).Association("Toy").Count() != 1 {
t.Errorf("Cat's toys count should be 1")
}
if DB.Model(&dog).Association("Toys").Count() != 2 {
t.Errorf("Dog's toys count should be 2")
}
// Query
var catToys []Toy
if DB.Model(&cat).Related(&catToys, "Toy").RecordNotFound() {
t.Errorf("Did not find any has one polymorphic association")
} else if len(catToys) != 1 {
t.Errorf("Should have found only one polymorphic has one association")
} else if catToys[0].Name != cat.Toy.Name {
t.Errorf("Should have found the proper has one polymorphic association")
}
var dogToys []Toy
if DB.Model(&dog).Related(&dogToys, "Toys").RecordNotFound() {
t.Errorf("Did not find any polymorphic has many associations")
} else if len(dogToys) != len(dog.Toys) {
t.Errorf("Should have found all polymorphic has many associations")
}
var catToy Toy
DB.Model(&cat).Association("Toy").Find(&catToy)
if catToy.Name != cat.Toy.Name {
t.Errorf("Should find has one polymorphic association")
}
var dogToys1 []Toy
DB.Model(&dog).Association("Toys").Find(&dogToys1)
if !compareToys(dogToys1, []string{"dog toy 1", "dog toy 2"}) {
t.Errorf("Should find has many polymorphic association")
}
// Append
DB.Model(&cat).Association("Toy").Append(&Toy{
Name: "cat toy 2",
})
var catToy2 Toy
DB.Model(&cat).Association("Toy").Find(&catToy2)
if catToy2.Name != "cat toy 2" {
t.Errorf("Should update has one polymorphic association with Append")
}
if DB.Model(&cat).Association("Toy").Count() != 1 {
t.Errorf("Cat's toys count should be 1 after Append")
}
if DB.Model(&dog).Association("Toys").Count() != 2 {
t.Errorf("Should return two polymorphic has many associations")
}
DB.Model(&dog).Association("Toys").Append(&Toy{
Name: "dog toy 3",
})
var dogToys2 []Toy
DB.Model(&dog).Association("Toys").Find(&dogToys2)
if !compareToys(dogToys2, []string{"dog toy 1", "dog toy 2", "dog toy 3"}) {
t.Errorf("Dog's toys should be updated with Append")
}
if DB.Model(&dog).Association("Toys").Count() != 3 {
t.Errorf("Should return three polymorphic has many associations")
}
// Replace
DB.Model(&cat).Association("Toy").Replace(&Toy{
Name: "cat toy 3",
})
var catToy3 Toy
DB.Model(&cat).Association("Toy").Find(&catToy3)
if catToy3.Name != "cat toy 3" {
t.Errorf("Should update has one polymorphic association with Replace")
}
if DB.Model(&cat).Association("Toy").Count() != 1 {
t.Errorf("Cat's toys count should be 1 after Replace")
}
if DB.Model(&dog).Association("Toys").Count() != 3 {
t.Errorf("Should return three polymorphic has many associations")
}
DB.Model(&dog).Association("Toys").Replace(&Toy{
Name: "dog toy 4",
}, []Toy{
{Name: "dog toy 5"}, {Name: "dog toy 6"}, {Name: "dog toy 7"},
})
var dogToys3 []Toy
DB.Model(&dog).Association("Toys").Find(&dogToys3)
if !compareToys(dogToys3, []string{"dog toy 4", "dog toy 5", "dog toy 6", "dog toy 7"}) {
t.Errorf("Dog's toys should be updated with Replace")
}
if DB.Model(&dog).Association("Toys").Count() != 4 {
t.Errorf("Should return three polymorphic has many associations")
}
// Delete
DB.Model(&cat).Association("Toy").Delete(&catToy2)
var catToy4 Toy
DB.Model(&cat).Association("Toy").Find(&catToy4)
if catToy4.Name != "cat toy 3" {
t.Errorf("Should not update has one polymorphic association when Delete a unrelated Toy")
}
if DB.Model(&cat).Association("Toy").Count() != 1 {
t.Errorf("Cat's toys count should be 1")
}
if DB.Model(&dog).Association("Toys").Count() != 4 {
t.Errorf("Dog's toys count should be 4")
}
DB.Model(&cat).Association("Toy").Delete(&catToy3)
if !DB.Model(&cat).Related(&Toy{}, "Toy").RecordNotFound() {
t.Errorf("Toy should be deleted with Delete")
}
if DB.Model(&cat).Association("Toy").Count() != 0 {
t.Errorf("Cat's toys count should be 0 after Delete")
}
if DB.Model(&dog).Association("Toys").Count() != 4 {
t.Errorf("Dog's toys count should not be changed when delete cat's toy")
}
DB.Model(&dog).Association("Toys").Delete(&dogToys2)
if DB.Model(&dog).Association("Toys").Count() != 4 {
t.Errorf("Dog's toys count should not be changed when delete unrelated toys")
}
DB.Model(&dog).Association("Toys").Delete(&dogToys3)
if DB.Model(&dog).Association("Toys").Count() != 0 {
t.Errorf("Dog's toys count should be deleted with Delete")
}
// Clear
DB.Model(&cat).Association("Toy").Append(&Toy{
Name: "cat toy 2",
})
if DB.Model(&cat).Association("Toy").Count() != 1 {
t.Errorf("Cat's toys should be added with Append")
}
DB.Model(&cat).Association("Toy").Clear()
if DB.Model(&cat).Association("Toy").Count() != 0 {
t.Errorf("Cat's toys should be cleared with Clear")
}
DB.Model(&dog).Association("Toys").Append(&Toy{
Name: "dog toy 8",
})
if DB.Model(&dog).Association("Toys").Count() != 1 {
t.Errorf("Dog's toys should be added with Append")
}
DB.Model(&dog).Association("Toys").Clear()
if DB.Model(&dog).Association("Toys").Count() != 0 {
t.Errorf("Dog's toys should be cleared with Clear")
}
}
func TestNamedPolymorphic(t *testing.T) {
hamster := Hamster{Name: "Mr. Hammond", PreferredToy: Toy{Name: "bike"}, OtherToy: Toy{Name: "treadmill"}}
DB.Save(&hamster)
hamster2 := Hamster{}
DB.Preload("PreferredToy").Preload("OtherToy").Find(&hamster2, hamster.Id)
if hamster2.PreferredToy.Id != hamster.PreferredToy.Id || hamster2.PreferredToy.Name != hamster.PreferredToy.Name {
t.Errorf("Hamster's preferred toy couldn't be preloaded")
}
if hamster2.OtherToy.Id != hamster.OtherToy.Id || hamster2.OtherToy.Name != hamster.OtherToy.Name {
t.Errorf("Hamster's other toy couldn't be preloaded")
}
// clear to omit Toy.Id in count
hamster2.PreferredToy = Toy{}
hamster2.OtherToy = Toy{}
if DB.Model(&hamster2).Association("PreferredToy").Count() != 1 {
t.Errorf("Hamster's preferred toy count should be 1")
}
if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
t.Errorf("Hamster's other toy count should be 1")
}
// Query
var hamsterToys []Toy
if DB.Model(&hamster).Related(&hamsterToys, "PreferredToy").RecordNotFound() {
t.Errorf("Did not find any has one polymorphic association")
} else if len(hamsterToys) != 1 {
t.Errorf("Should have found only one polymorphic has one association")
} else if hamsterToys[0].Name != hamster.PreferredToy.Name {
t.Errorf("Should have found the proper has one polymorphic association")
}
if DB.Model(&hamster).Related(&hamsterToys, "OtherToy").RecordNotFound() {
t.Errorf("Did not find any has one polymorphic association")
} else if len(hamsterToys) != 1 {
t.Errorf("Should have found only one polymorphic has one association")
} else if hamsterToys[0].Name != hamster.OtherToy.Name {
t.Errorf("Should have found the proper has one polymorphic association")
}
hamsterToy := Toy{}
DB.Model(&hamster).Association("PreferredToy").Find(&hamsterToy)
if hamsterToy.Name != hamster.PreferredToy.Name {
t.Errorf("Should find has one polymorphic association")
}
hamsterToy = Toy{}
DB.Model(&hamster).Association("OtherToy").Find(&hamsterToy)
if hamsterToy.Name != hamster.OtherToy.Name {
t.Errorf("Should find has one polymorphic association")
}
// Append
DB.Model(&hamster).Association("PreferredToy").Append(&Toy{
Name: "bike 2",
})
DB.Model(&hamster).Association("OtherToy").Append(&Toy{
Name: "treadmill 2",
})
hamsterToy = Toy{}
DB.Model(&hamster).Association("PreferredToy").Find(&hamsterToy)
if hamsterToy.Name != "bike 2" {
t.Errorf("Should update has one polymorphic association with Append")
}
hamsterToy = Toy{}
DB.Model(&hamster).Association("OtherToy").Find(&hamsterToy)
if hamsterToy.Name != "treadmill 2" {
t.Errorf("Should update has one polymorphic association with Append")
}
if DB.Model(&hamster2).Association("PreferredToy").Count() != 1 {
t.Errorf("Hamster's toys count should be 1 after Append")
}
if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
t.Errorf("Hamster's toys count should be 1 after Append")
}
// Replace
DB.Model(&hamster).Association("PreferredToy").Replace(&Toy{
Name: "bike 3",
})
DB.Model(&hamster).Association("OtherToy").Replace(&Toy{
Name: "treadmill 3",
})
hamsterToy = Toy{}
DB.Model(&hamster).Association("PreferredToy").Find(&hamsterToy)
if hamsterToy.Name != "bike 3" {
t.Errorf("Should update has one polymorphic association with Replace")
}
hamsterToy = Toy{}
DB.Model(&hamster).Association("OtherToy").Find(&hamsterToy)
if hamsterToy.Name != "treadmill 3" {
t.Errorf("Should update has one polymorphic association with Replace")
}
if DB.Model(&hamster2).Association("PreferredToy").Count() != 1 {
t.Errorf("hamster's toys count should be 1 after Replace")
}
if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
t.Errorf("hamster's toys count should be 1 after Replace")
}
// Clear
DB.Model(&hamster).Association("PreferredToy").Append(&Toy{
Name: "bike 2",
})
DB.Model(&hamster).Association("OtherToy").Append(&Toy{
Name: "treadmill 2",
})
if DB.Model(&hamster).Association("PreferredToy").Count() != 1 {
t.Errorf("Hamster's toys should be added with Append")
}
if DB.Model(&hamster).Association("OtherToy").Count() != 1 {
t.Errorf("Hamster's toys should be added with Append")
}
DB.Model(&hamster).Association("PreferredToy").Clear()
if DB.Model(&hamster2).Association("PreferredToy").Count() != 0 {
t.Errorf("Hamster's preferred toy should be cleared with Clear")
}
if DB.Model(&hamster2).Association("OtherToy").Count() != 1 {
t.Errorf("Hamster's other toy should be still available")
}
DB.Model(&hamster).Association("OtherToy").Clear()
if DB.Model(&hamster).Association("OtherToy").Count() != 0 {
t.Errorf("Hamster's other toy should be cleared with Clear")
}
}

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preload_test.go
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841
query_test.go
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@ -1,841 +0,0 @@
package gorm_test
import (
"fmt"
"reflect"
"github.com/jinzhu/gorm"
"testing"
"time"
)
func TestFirstAndLast(t *testing.T) {
DB.Save(&User{Name: "user1", Emails: []Email{{Email: "user1@example.com"}}})
DB.Save(&User{Name: "user2", Emails: []Email{{Email: "user2@example.com"}}})
var user1, user2, user3, user4 User
DB.First(&user1)
DB.Order("id").Limit(1).Find(&user2)
ptrOfUser3 := &user3
DB.Last(&ptrOfUser3)
DB.Order("id desc").Limit(1).Find(&user4)
if user1.Id != user2.Id || user3.Id != user4.Id {
t.Errorf("First and Last should by order by primary key")
}
var users []User
DB.First(&users)
if len(users) != 1 {
t.Errorf("Find first record as slice")
}
var user User
if DB.Joins("left join emails on emails.user_id = users.id").First(&user).Error != nil {
t.Errorf("Should not raise any error when order with Join table")
}
if user.Email != "" {
t.Errorf("User's Email should be blank as no one set it")
}
}
func TestFirstAndLastWithNoStdPrimaryKey(t *testing.T) {
DB.Save(&Animal{Name: "animal1"})
DB.Save(&Animal{Name: "animal2"})
var animal1, animal2, animal3, animal4 Animal
DB.First(&animal1)
DB.Order("counter").Limit(1).Find(&animal2)
DB.Last(&animal3)
DB.Order("counter desc").Limit(1).Find(&animal4)
if animal1.Counter != animal2.Counter || animal3.Counter != animal4.Counter {
t.Errorf("First and Last should work correctly")
}
}
func TestFirstAndLastWithRaw(t *testing.T) {
user1 := User{Name: "user", Emails: []Email{{Email: "user1@example.com"}}}
user2 := User{Name: "user", Emails: []Email{{Email: "user2@example.com"}}}
DB.Save(&user1)
DB.Save(&user2)
var user3, user4 User
DB.Raw("select * from users WHERE name = ?", "user").First(&user3)
if user3.Id != user1.Id {
t.Errorf("Find first record with raw")
}
DB.Raw("select * from users WHERE name = ?", "user").Last(&user4)
if user4.Id != user2.Id {
t.Errorf("Find last record with raw")
}
}
func TestUIntPrimaryKey(t *testing.T) {
var animal Animal
DB.First(&animal, uint64(1))
if animal.Counter != 1 {
t.Errorf("Fetch a record from with a non-int primary key should work, but failed")
}
DB.Model(Animal{}).Where(Animal{Counter: uint64(2)}).Scan(&animal)
if animal.Counter != 2 {
t.Errorf("Fetch a record from with a non-int primary key should work, but failed")
}
}
func TestCustomizedTypePrimaryKey(t *testing.T) {
type ID uint
type CustomizedTypePrimaryKey struct {
ID ID
Name string
}
DB.AutoMigrate(&CustomizedTypePrimaryKey{})
p1 := CustomizedTypePrimaryKey{Name: "p1"}
p2 := CustomizedTypePrimaryKey{Name: "p2"}
p3 := CustomizedTypePrimaryKey{Name: "p3"}
DB.Create(&p1)
DB.Create(&p2)
DB.Create(&p3)
var p CustomizedTypePrimaryKey
if err := DB.First(&p, p2.ID).Error; err == nil {
t.Errorf("Should return error for invalid query condition")
}
if err := DB.First(&p, "id = ?", p2.ID).Error; err != nil {
t.Errorf("No error should happen when querying with customized type for primary key, got err %v", err)
}
if p.Name != "p2" {
t.Errorf("Should find correct value when querying with customized type for primary key")
}
}
func TestStringPrimaryKeyForNumericValueStartingWithZero(t *testing.T) {
type AddressByZipCode struct {
ZipCode string `gorm:"primary_key"`
Address string
}
DB.AutoMigrate(&AddressByZipCode{})
DB.Create(&AddressByZipCode{ZipCode: "00501", Address: "Holtsville"})
var address AddressByZipCode
DB.First(&address, "00501")
if address.ZipCode != "00501" {
t.Errorf("Fetch a record from with a string primary key for a numeric value starting with zero should work, but failed, zip code is %v", address.ZipCode)
}
}
func TestFindAsSliceOfPointers(t *testing.T) {
DB.Save(&User{Name: "user"})
var users []User
DB.Find(&users)
var userPointers []*User
DB.Find(&userPointers)
if len(users) == 0 || len(users) != len(userPointers) {
t.Errorf("Find slice of pointers")
}
}
func TestSearchWithPlainSQL(t *testing.T) {
user1 := User{Name: "PlainSqlUser1", Age: 1, Birthday: parseTime("2000-1-1")}
user2 := User{Name: "PlainSqlUser2", Age: 10, Birthday: parseTime("2010-1-1")}
user3 := User{Name: "PlainSqlUser3", Age: 20, Birthday: parseTime("2020-1-1")}
DB.Save(&user1).Save(&user2).Save(&user3)
scopedb := DB.Where("name LIKE ?", "%PlainSqlUser%")
if DB.Where("name = ?", user1.Name).First(&User{}).RecordNotFound() {
t.Errorf("Search with plain SQL")
}
if DB.Where("name LIKE ?", "%"+user1.Name+"%").First(&User{}).RecordNotFound() {
t.Errorf("Search with plan SQL (regexp)")
}
var users []User
DB.Find(&users, "name LIKE ? and age > ?", "%PlainSqlUser%", 1)
if len(users) != 2 {
t.Errorf("Should found 2 users that age > 1, but got %v", len(users))
}
DB.Where("name LIKE ?", "%PlainSqlUser%").Where("age >= ?", 1).Find(&users)
if len(users) != 3 {
t.Errorf("Should found 3 users that age >= 1, but got %v", len(users))
}
scopedb.Where("age <> ?", 20).Find(&users)
if len(users) != 2 {
t.Errorf("Should found 2 users age != 20, but got %v", len(users))
}
scopedb.Where("birthday > ?", parseTime("2000-1-1")).Find(&users)
if len(users) != 2 {
t.Errorf("Should found 2 users' birthday > 2000-1-1, but got %v", len(users))
}
scopedb.Where("birthday > ?", "2002-10-10").Find(&users)
if len(users) != 2 {
t.Errorf("Should found 2 users' birthday >= 2002-10-10, but got %v", len(users))
}
scopedb.Where("birthday >= ?", "2010-1-1").Where("birthday < ?", "2020-1-1").Find(&users)
if len(users) != 1 {
t.Errorf("Should found 1 users' birthday < 2020-1-1 and >= 2010-1-1, but got %v", len(users))
}
DB.Where("name in (?)", []string{user1.Name, user2.Name}).Find(&users)
if len(users) != 2 {
t.Errorf("Should found 2 users, but got %v", len(users))
}
DB.Where("id in (?)", []int64{user1.Id, user2.Id, user3.Id}).Find(&users)
if len(users) != 3 {
t.Errorf("Should found 3 users, but got %v", len(users))
}
DB.Where("id in (?)", user1.Id).Find(&users)
if len(users) != 1 {
t.Errorf("Should found 1 users, but got %v", len(users))
}
if err := DB.Where("id IN (?)", []string{}).Find(&users).Error; err != nil {
t.Error("no error should happen when query with empty slice, but got: ", err)
}
if err := DB.Not("id IN (?)", []string{}).Find(&users).Error; err != nil {
t.Error("no error should happen when query with empty slice, but got: ", err)
}
if DB.Where("name = ?", "none existing").Find(&[]User{}).RecordNotFound() {
t.Errorf("Should not get RecordNotFound error when looking for none existing records")
}
}
func TestSearchWithTwoDimensionalArray(t *testing.T) {
var users []User
user1 := User{Name: "2DSearchUser1", Age: 1, Birthday: parseTime("2000-1-1")}
user2 := User{Name: "2DSearchUser2", Age: 10, Birthday: parseTime("2010-1-1")}
user3 := User{Name: "2DSearchUser3", Age: 20, Birthday: parseTime("2020-1-1")}
DB.Create(&user1)
DB.Create(&user2)
DB.Create(&user3)
if dialect := DB.Dialect().GetName(); dialect == "mysql" || dialect == "postgres" {
if err := DB.Where("(name, age) IN (?)", [][]interface{}{{"2DSearchUser1", 1}, {"2DSearchUser2", 10}}).Find(&users).Error; err != nil {
t.Errorf("No error should happen when query with 2D array, but got %v", err)
if len(users) != 2 {
t.Errorf("Should find 2 users with 2D array, but got %v", len(users))
}
}
}
if dialect := DB.Dialect().GetName(); dialect == "mssql" {
if err := DB.Joins("JOIN (VALUES ?) AS x (col1, col2) ON x.col1 = name AND x.col2 = age", [][]interface{}{{"2DSearchUser1", 1}, {"2DSearchUser2", 10}}).Find(&users).Error; err != nil {
t.Errorf("No error should happen when query with 2D array, but got %v", err)
if len(users) != 2 {
t.Errorf("Should find 2 users with 2D array, but got %v", len(users))
}
}
}
}
func TestSearchWithStruct(t *testing.T) {
user1 := User{Name: "StructSearchUser1", Age: 1, Birthday: parseTime("2000-1-1")}
user2 := User{Name: "StructSearchUser2", Age: 10, Birthday: parseTime("2010-1-1")}
user3 := User{Name: "StructSearchUser3", Age: 20, Birthday: parseTime("2020-1-1")}
DB.Save(&user1).Save(&user2).Save(&user3)
if DB.Where(user1.Id).First(&User{}).RecordNotFound() {
t.Errorf("Search with primary key")
}
if DB.First(&User{}, user1.Id).RecordNotFound() {
t.Errorf("Search with primary key as inline condition")
}
if DB.First(&User{}, fmt.Sprintf("%v", user1.Id)).RecordNotFound() {
t.Errorf("Search with primary key as inline condition")
}
var users []User
DB.Where([]int64{user1.Id, user2.Id, user3.Id}).Find(&users)
if len(users) != 3 {
t.Errorf("Should found 3 users when search with primary keys, but got %v", len(users))
}
var user User
DB.First(&user, &User{Name: user1.Name})
if user.Id == 0 || user.Name != user1.Name {
t.Errorf("Search first record with inline pointer of struct")
}
DB.First(&user, User{Name: user1.Name})
if user.Id == 0 || user.Name != user1.Name {
t.Errorf("Search first record with inline struct")
}
DB.Where(&User{Name: user1.Name}).First(&user)
if user.Id == 0 || user.Name != user1.Name {
t.Errorf("Search first record with where struct")
}
DB.Find(&users, &User{Name: user2.Name})
if len(users) != 1 {
t.Errorf("Search all records with inline struct")
}
}
func TestSearchWithMap(t *testing.T) {
companyID := 1
user1 := User{Name: "MapSearchUser1", Age: 1, Birthday: parseTime("2000-1-1")}
user2 := User{Name: "MapSearchUser2", Age: 10, Birthday: parseTime("2010-1-1")}
user3 := User{Name: "MapSearchUser3", Age: 20, Birthday: parseTime("2020-1-1")}
user4 := User{Name: "MapSearchUser4", Age: 30, Birthday: parseTime("2020-1-1"), CompanyID: &companyID}
DB.Save(&user1).Save(&user2).Save(&user3).Save(&user4)
var user User
DB.First(&user, map[string]interface{}{"name": user1.Name})
if user.Id == 0 || user.Name != user1.Name {
t.Errorf("Search first record with inline map")
}
user = User{}
DB.Where(map[string]interface{}{"name": user2.Name}).First(&user)
if user.Id == 0 || user.Name != user2.Name {
t.Errorf("Search first record with where map")
}
var users []User
DB.Where(map[string]interface{}{"name": user3.Name}).Find(&users)
if len(users) != 1 {
t.Errorf("Search all records with inline map")
}
DB.Find(&users, map[string]interface{}{"name": user3.Name})
if len(users) != 1 {
t.Errorf("Search all records with inline map")
}
DB.Find(&users, map[string]interface{}{"name": user4.Name, "company_id": nil})
if len(users) != 0 {
t.Errorf("Search all records with inline map containing null value finding 0 records")
}
DB.Find(&users, map[string]interface{}{"name": user1.Name, "company_id": nil})
if len(users) != 1 {
t.Errorf("Search all records with inline map containing null value finding 1 record")
}
DB.Find(&users, map[string]interface{}{"name": user4.Name, "company_id": companyID})
if len(users) != 1 {
t.Errorf("Search all records with inline multiple value map")
}
}
func TestSearchWithEmptyChain(t *testing.T) {
user1 := User{Name: "ChainSearchUser1", Age: 1, Birthday: parseTime("2000-1-1")}
user2 := User{Name: "ChainearchUser2", Age: 10, Birthday: parseTime("2010-1-1")}
user3 := User{Name: "ChainearchUser3", Age: 20, Birthday: parseTime("2020-1-1")}
DB.Save(&user1).Save(&user2).Save(&user3)
if DB.Where("").Where("").First(&User{}).Error != nil {
t.Errorf("Should not raise any error if searching with empty strings")
}
if DB.Where(&User{}).Where("name = ?", user1.Name).First(&User{}).Error != nil {
t.Errorf("Should not raise any error if searching with empty struct")
}
if DB.Where(map[string]interface{}{}).Where("name = ?", user1.Name).First(&User{}).Error != nil {
t.Errorf("Should not raise any error if searching with empty map")
}
}
func TestSelect(t *testing.T) {
user1 := User{Name: "SelectUser1"}
DB.Save(&user1)
var user User
DB.Where("name = ?", user1.Name).Select("name").Find(&user)
if user.Id != 0 {
t.Errorf("Should not have ID because only selected name, %+v", user.Id)
}
if user.Name != user1.Name {
t.Errorf("Should have user Name when selected it")
}
}
func TestOrderAndPluck(t *testing.T) {
user1 := User{Name: "OrderPluckUser1", Age: 1}
user2 := User{Name: "OrderPluckUser2", Age: 10}
user3 := User{Name: "OrderPluckUser3", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3)
scopedb := DB.Model(&User{}).Where("name like ?", "%OrderPluckUser%")
var user User
scopedb.Order(gorm.Expr("case when name = ? then 0 else 1 end", "OrderPluckUser2")).First(&user)
if user.Name != "OrderPluckUser2" {
t.Errorf("Order with sql expression")
}
var ages []int64
scopedb.Order("age desc").Pluck("age", &ages)
if ages[0] != 20 {
t.Errorf("The first age should be 20 when order with age desc")
}
var ages1, ages2 []int64
scopedb.Order("age desc").Pluck("age", &ages1).Pluck("age", &ages2)
if !reflect.DeepEqual(ages1, ages2) {
t.Errorf("The first order is the primary order")
}
var ages3, ages4 []int64
scopedb.Model(&User{}).Order("age desc").Pluck("age", &ages3).Order("age", true).Pluck("age", &ages4)
if reflect.DeepEqual(ages3, ages4) {
t.Errorf("Reorder should work")
}
var names []string
var ages5 []int64
scopedb.Model(User{}).Order("name").Order("age desc").Pluck("age", &ages5).Pluck("name", &names)
if names != nil && ages5 != nil {
if !(names[0] == user1.Name && names[1] == user2.Name && names[2] == user3.Name && ages5[2] == 20) {
t.Errorf("Order with multiple orders")
}
} else {
t.Errorf("Order with multiple orders")
}
var ages6 []int64
if err := scopedb.Order("").Pluck("age", &ages6).Error; err != nil {
t.Errorf("An empty string as order clause produces invalid queries")
}
DB.Model(User{}).Select("name, age").Find(&[]User{})
}
func TestLimit(t *testing.T) {
user1 := User{Name: "LimitUser1", Age: 1}
user2 := User{Name: "LimitUser2", Age: 10}
user3 := User{Name: "LimitUser3", Age: 20}
user4 := User{Name: "LimitUser4", Age: 10}
user5 := User{Name: "LimitUser5", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3).Save(&user4).Save(&user5)
var users1, users2, users3 []User
DB.Order("age desc").Limit(3).Find(&users1).Limit(5).Find(&users2).Limit(-1).Find(&users3)
if len(users1) != 3 || len(users2) != 5 || len(users3) <= 5 {
t.Errorf("Limit should works")
}
}
func TestOffset(t *testing.T) {
for i := 0; i < 20; i++ {
DB.Save(&User{Name: fmt.Sprintf("OffsetUser%v", i)})
}
var users1, users2, users3, users4 []User
DB.Limit(100).Where("name like ?", "OffsetUser%").Order("age desc").Find(&users1).Offset(3).Find(&users2).Offset(5).Find(&users3).Offset(-1).Find(&users4)
if (len(users1) != len(users4)) || (len(users1)-len(users2) != 3) || (len(users1)-len(users3) != 5) {
t.Errorf("Offset should work")
}
}
func TestLimitAndOffsetSQL(t *testing.T) {
user1 := User{Name: "TestLimitAndOffsetSQL1", Age: 10}
user2 := User{Name: "TestLimitAndOffsetSQL2", Age: 20}
user3 := User{Name: "TestLimitAndOffsetSQL3", Age: 30}
user4 := User{Name: "TestLimitAndOffsetSQL4", Age: 40}
user5 := User{Name: "TestLimitAndOffsetSQL5", Age: 50}
if err := DB.Save(&user1).Save(&user2).Save(&user3).Save(&user4).Save(&user5).Error; err != nil {
t.Fatal(err)
}
tests := []struct {
name string
limit, offset interface{}
users []*User
ok bool
}{
{
name: "OK",
limit: float64(2),
offset: float64(2),
users: []*User{
&User{Name: "TestLimitAndOffsetSQL3", Age: 30},
&User{Name: "TestLimitAndOffsetSQL2", Age: 20},
},
ok: true,
},
{
name: "Limit parse error",
limit: float64(1000000), // 1e+06
offset: float64(2),
ok: false,
},
{
name: "Offset parse error",
limit: float64(2),
offset: float64(1000000), // 1e+06
ok: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var users []*User
err := DB.Where("name LIKE ?", "TestLimitAndOffsetSQL%").Order("age desc").Limit(tt.limit).Offset(tt.offset).Find(&users).Error
if tt.ok {
if err != nil {
t.Errorf("error expected nil, but got %v", err)
}
if len(users) != len(tt.users) {
t.Errorf("users length expected %d, but got %d", len(tt.users), len(users))
}
for i := range tt.users {
if users[i].Name != tt.users[i].Name {
t.Errorf("users[%d] name expected %s, but got %s", i, tt.users[i].Name, users[i].Name)
}
if users[i].Age != tt.users[i].Age {
t.Errorf("users[%d] age expected %d, but got %d", i, tt.users[i].Age, users[i].Age)
}
}
} else {
if err == nil {
t.Error("error expected not nil, but got nil")
}
}
})
}
}
func TestOr(t *testing.T) {
user1 := User{Name: "OrUser1", Age: 1}
user2 := User{Name: "OrUser2", Age: 10}
user3 := User{Name: "OrUser3", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3)
var users []User
DB.Where("name = ?", user1.Name).Or("name = ?", user2.Name).Find(&users)
if len(users) != 2 {
t.Errorf("Find users with or")
}
}
func TestCount(t *testing.T) {
user1 := User{Name: "CountUser1", Age: 1}
user2 := User{Name: "CountUser2", Age: 10}
user3 := User{Name: "CountUser3", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3)
var count, count1, count2 int64
var users []User
if err := DB.Where("name = ?", user1.Name).Or("name = ?", user3.Name).Find(&users).Count(&count).Error; err != nil {
t.Errorf(fmt.Sprintf("Count should work, but got err %v", err))
}
if count != int64(len(users)) {
t.Errorf("Count() method should get correct value")
}
DB.Model(&User{}).Where("name = ?", user1.Name).Count(&count1).Or("name in (?)", []string{user2.Name, user3.Name}).Count(&count2)
if count1 != 1 || count2 != 3 {
t.Errorf("Multiple count in chain")
}
var count3 int
if err := DB.Model(&User{}).Where("name in (?)", []string{user2.Name, user2.Name, user3.Name}).Group("id").Count(&count3).Error; err != nil {
t.Errorf("Not error should happen, but got %v", err)
}
if count3 != 2 {
t.Errorf("Should get correct count, but got %v", count3)
}
}
func TestNot(t *testing.T) {
DB.Create(getPreparedUser("user1", "not"))
DB.Create(getPreparedUser("user2", "not"))
DB.Create(getPreparedUser("user3", "not"))
user4 := getPreparedUser("user4", "not")
user4.Company = Company{}
DB.Create(user4)
DB := DB.Where("role = ?", "not")
var users1, users2, users3, users4, users5, users6, users7, users8, users9 []User
if DB.Find(&users1).RowsAffected != 4 {
t.Errorf("should find 4 not users")
}
DB.Not(users1[0].Id).Find(&users2)
if len(users1)-len(users2) != 1 {
t.Errorf("Should ignore the first users with Not")
}
DB.Not([]int{}).Find(&users3)
if len(users1)-len(users3) != 0 {
t.Errorf("Should find all users with a blank condition")
}
var name3Count int64
DB.Table("users").Where("name = ?", "user3").Count(&name3Count)
DB.Not("name", "user3").Find(&users4)
if len(users1)-len(users4) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
DB.Not("name = ?", "user3").Find(&users4)
if len(users1)-len(users4) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
DB.Not("name <> ?", "user3").Find(&users4)
if len(users4) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
DB.Not(User{Name: "user3"}).Find(&users5)
if len(users1)-len(users5) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
DB.Not(map[string]interface{}{"name": "user3"}).Find(&users6)
if len(users1)-len(users6) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
DB.Not(map[string]interface{}{"name": "user3", "company_id": nil}).Find(&users7)
if len(users1)-len(users7) != 2 { // not user3 or user4
t.Errorf("Should find all user's name not equal to 3 who do not have company id")
}
DB.Not("name", []string{"user3"}).Find(&users8)
if len(users1)-len(users8) != int(name3Count) {
t.Errorf("Should find all users' name not equal 3")
}
var name2Count int64
DB.Table("users").Where("name = ?", "user2").Count(&name2Count)
DB.Not("name", []string{"user3", "user2"}).Find(&users9)
if len(users1)-len(users9) != (int(name3Count) + int(name2Count)) {
t.Errorf("Should find all users' name not equal 3")
}
}
func TestFillSmallerStruct(t *testing.T) {
user1 := User{Name: "SmallerUser", Age: 100}
DB.Save(&user1)
type SimpleUser struct {
Name string
Id int64
UpdatedAt time.Time
CreatedAt time.Time
}
var simpleUser SimpleUser
DB.Table("users").Where("name = ?", user1.Name).First(&simpleUser)
if simpleUser.Id == 0 || simpleUser.Name == "" {
t.Errorf("Should fill data correctly into smaller struct")
}
}
func TestFindOrInitialize(t *testing.T) {
var user1, user2, user3, user4, user5, user6 User
DB.Where(&User{Name: "find or init", Age: 33}).FirstOrInit(&user1)
if user1.Name != "find or init" || user1.Id != 0 || user1.Age != 33 {
t.Errorf("user should be initialized with search value")
}
DB.Where(User{Name: "find or init", Age: 33}).FirstOrInit(&user2)
if user2.Name != "find or init" || user2.Id != 0 || user2.Age != 33 {
t.Errorf("user should be initialized with search value")
}
DB.FirstOrInit(&user3, map[string]interface{}{"name": "find or init 2"})
if user3.Name != "find or init 2" || user3.Id != 0 {
t.Errorf("user should be initialized with inline search value")
}
DB.Where(&User{Name: "find or init"}).Attrs(User{Age: 44}).FirstOrInit(&user4)
if user4.Name != "find or init" || user4.Id != 0 || user4.Age != 44 {
t.Errorf("user should be initialized with search value and attrs")
}
DB.Where(&User{Name: "find or init"}).Assign("age", 44).FirstOrInit(&user4)
if user4.Name != "find or init" || user4.Id != 0 || user4.Age != 44 {
t.Errorf("user should be initialized with search value and assign attrs")
}
DB.Save(&User{Name: "find or init", Age: 33})
DB.Where(&User{Name: "find or init"}).Attrs("age", 44).FirstOrInit(&user5)
if user5.Name != "find or init" || user5.Id == 0 || user5.Age != 33 {
t.Errorf("user should be found and not initialized by Attrs")
}
DB.Where(&User{Name: "find or init", Age: 33}).FirstOrInit(&user6)
if user6.Name != "find or init" || user6.Id == 0 || user6.Age != 33 {
t.Errorf("user should be found with FirstOrInit")
}
DB.Where(&User{Name: "find or init"}).Assign(User{Age: 44}).FirstOrInit(&user6)
if user6.Name != "find or init" || user6.Id == 0 || user6.Age != 44 {
t.Errorf("user should be found and updated with assigned attrs")
}
}
func TestFindOrCreate(t *testing.T) {
var user1, user2, user3, user4, user5, user6, user7, user8 User
DB.Where(&User{Name: "find or create", Age: 33}).FirstOrCreate(&user1)
if user1.Name != "find or create" || user1.Id == 0 || user1.Age != 33 {
t.Errorf("user should be created with search value")
}
DB.Where(&User{Name: "find or create", Age: 33}).FirstOrCreate(&user2)
if user1.Id != user2.Id || user2.Name != "find or create" || user2.Id == 0 || user2.Age != 33 {
t.Errorf("user should be created with search value")
}
DB.FirstOrCreate(&user3, map[string]interface{}{"name": "find or create 2"})
if user3.Name != "find or create 2" || user3.Id == 0 {
t.Errorf("user should be created with inline search value")
}
DB.Where(&User{Name: "find or create 3"}).Attrs("age", 44).FirstOrCreate(&user4)
if user4.Name != "find or create 3" || user4.Id == 0 || user4.Age != 44 {
t.Errorf("user should be created with search value and attrs")
}
updatedAt1 := user4.UpdatedAt
DB.Where(&User{Name: "find or create 3"}).Assign("age", 55).FirstOrCreate(&user4)
if updatedAt1.Format(time.RFC3339Nano) == user4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("UpdateAt should be changed when update values with assign")
}
DB.Where(&User{Name: "find or create 4"}).Assign(User{Age: 44}).FirstOrCreate(&user4)
if user4.Name != "find or create 4" || user4.Id == 0 || user4.Age != 44 {
t.Errorf("user should be created with search value and assigned attrs")
}
DB.Where(&User{Name: "find or create"}).Attrs("age", 44).FirstOrInit(&user5)
if user5.Name != "find or create" || user5.Id == 0 || user5.Age != 33 {
t.Errorf("user should be found and not initialized by Attrs")
}
DB.Where(&User{Name: "find or create"}).Assign(User{Age: 44}).FirstOrCreate(&user6)
if user6.Name != "find or create" || user6.Id == 0 || user6.Age != 44 {
t.Errorf("user should be found and updated with assigned attrs")
}
DB.Where(&User{Name: "find or create"}).Find(&user7)
if user7.Name != "find or create" || user7.Id == 0 || user7.Age != 44 {
t.Errorf("user should be found and updated with assigned attrs")
}
DB.Where(&User{Name: "find or create embedded struct"}).Assign(User{Age: 44, CreditCard: CreditCard{Number: "1231231231"}, Emails: []Email{{Email: "jinzhu@assign_embedded_struct.com"}, {Email: "jinzhu-2@assign_embedded_struct.com"}}}).FirstOrCreate(&user8)
if DB.Where("email = ?", "jinzhu-2@assign_embedded_struct.com").First(&Email{}).RecordNotFound() {
t.Errorf("embedded struct email should be saved")
}
if DB.Where("email = ?", "1231231231").First(&CreditCard{}).RecordNotFound() {
t.Errorf("embedded struct credit card should be saved")
}
}
func TestSelectWithEscapedFieldName(t *testing.T) {
user1 := User{Name: "EscapedFieldNameUser", Age: 1}
user2 := User{Name: "EscapedFieldNameUser", Age: 10}
user3 := User{Name: "EscapedFieldNameUser", Age: 20}
DB.Save(&user1).Save(&user2).Save(&user3)
var names []string
DB.Model(User{}).Where(&User{Name: "EscapedFieldNameUser"}).Pluck("\"name\"", &names)
if len(names) != 3 {
t.Errorf("Expected 3 name, but got: %d", len(names))
}
}
func TestSelectWithVariables(t *testing.T) {
DB.Save(&User{Name: "jinzhu"})
rows, _ := DB.Table("users").Select("? as fake", gorm.Expr("name")).Rows()
if !rows.Next() {
t.Errorf("Should have returned at least one row")
} else {
columns, _ := rows.Columns()
if !reflect.DeepEqual(columns, []string{"fake"}) {
t.Errorf("Should only contains one column")
}
}
rows.Close()
}
func TestSelectWithArrayInput(t *testing.T) {
DB.Save(&User{Name: "jinzhu", Age: 42})
var user User
DB.Select([]string{"name", "age"}).Where("age = 42 AND name = 'jinzhu'").First(&user)
if user.Name != "jinzhu" || user.Age != 42 {
t.Errorf("Should have selected both age and name")
}
}
func TestPluckWithSelect(t *testing.T) {
var (
user = User{Name: "matematik7_pluck_with_select", Age: 25}
combinedName = fmt.Sprintf("%v%v", user.Name, user.Age)
combineUserAgeSQL = fmt.Sprintf("concat(%v, %v)", DB.Dialect().Quote("name"), DB.Dialect().Quote("age"))
)
if dialect := DB.Dialect().GetName(); dialect == "sqlite3" {
combineUserAgeSQL = fmt.Sprintf("(%v || %v)", DB.Dialect().Quote("name"), DB.Dialect().Quote("age"))
}
DB.Save(&user)
selectStr := combineUserAgeSQL + " as user_age"
var userAges []string
err := DB.Model(&User{}).Where("age = ?", 25).Select(selectStr).Pluck("user_age", &userAges).Error
if err != nil {
t.Error(err)
}
if len(userAges) != 1 || userAges[0] != combinedName {
t.Errorf("Should correctly pluck with select, got: %s", userAges)
}
selectStr = combineUserAgeSQL + fmt.Sprintf(" as %v", DB.Dialect().Quote("user_age"))
userAges = userAges[:0]
err = DB.Model(&User{}).Where("age = ?", 25).Select(selectStr).Pluck("user_age", &userAges).Error
if err != nil {
t.Error(err)
}
if len(userAges) != 1 || userAges[0] != combinedName {
t.Errorf("Should correctly pluck with select, got: %s", userAges)
}
}

139
scaner_test.go
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@ -1,139 +0,0 @@
package gorm_test
import (
"database/sql/driver"
"encoding/json"
"errors"
"testing"
"github.com/jinzhu/gorm"
)
func TestScannableSlices(t *testing.T) {
if err := DB.AutoMigrate(&RecordWithSlice{}).Error; err != nil {
t.Errorf("Should create table with slice values correctly: %s", err)
}
r1 := RecordWithSlice{
Strings: ExampleStringSlice{"a", "b", "c"},
Structs: ExampleStructSlice{
{"name1", "value1"},
{"name2", "value2"},
},
}
if err := DB.Save(&r1).Error; err != nil {
t.Errorf("Should save record with slice values")
}
var r2 RecordWithSlice
if err := DB.Find(&r2).Error; err != nil {
t.Errorf("Should fetch record with slice values")
}
if len(r2.Strings) != 3 || r2.Strings[0] != "a" || r2.Strings[1] != "b" || r2.Strings[2] != "c" {
t.Errorf("Should have serialised and deserialised a string array")
}
if len(r2.Structs) != 2 || r2.Structs[0].Name != "name1" || r2.Structs[0].Value != "value1" || r2.Structs[1].Name != "name2" || r2.Structs[1].Value != "value2" {
t.Errorf("Should have serialised and deserialised a struct array")
}
}
type RecordWithSlice struct {
ID uint64
Strings ExampleStringSlice `sql:"type:text"`
Structs ExampleStructSlice `sql:"type:text"`
}
type ExampleStringSlice []string
func (l ExampleStringSlice) Value() (driver.Value, error) {
bytes, err := json.Marshal(l)
return string(bytes), err
}
func (l *ExampleStringSlice) Scan(input interface{}) error {
switch value := input.(type) {
case string:
return json.Unmarshal([]byte(value), l)
case []byte:
return json.Unmarshal(value, l)
default:
return errors.New("not supported")
}
}
type ExampleStruct struct {
Name string
Value string
}
type ExampleStructSlice []ExampleStruct
func (l ExampleStructSlice) Value() (driver.Value, error) {
bytes, err := json.Marshal(l)
return string(bytes), err
}
func (l *ExampleStructSlice) Scan(input interface{}) error {
switch value := input.(type) {
case string:
return json.Unmarshal([]byte(value), l)
case []byte:
return json.Unmarshal(value, l)
default:
return errors.New("not supported")
}
}
type ScannerDataType struct {
Street string `sql:"TYPE:varchar(24)"`
}
func (ScannerDataType) Value() (driver.Value, error) {
return nil, nil
}
func (*ScannerDataType) Scan(input interface{}) error {
return nil
}
type ScannerDataTypeTestStruct struct {
Field1 int
ScannerDataType *ScannerDataType `sql:"TYPE:json"`
}
type ScannerDataType2 struct {
Street string `sql:"TYPE:varchar(24)"`
}
func (ScannerDataType2) Value() (driver.Value, error) {
return nil, nil
}
func (*ScannerDataType2) Scan(input interface{}) error {
return nil
}
type ScannerDataTypeTestStruct2 struct {
Field1 int
ScannerDataType *ScannerDataType2
}
func TestScannerDataType(t *testing.T) {
scope := gorm.Scope{Value: &ScannerDataTypeTestStruct{}}
if field, ok := scope.FieldByName("ScannerDataType"); ok {
if DB.Dialect().DataTypeOf(field.StructField) != "json" {
t.Errorf("data type for scanner is wrong")
}
}
scope = gorm.Scope{Value: &ScannerDataTypeTestStruct2{}}
if field, ok := scope.FieldByName("ScannerDataType"); ok {
if DB.Dialect().DataTypeOf(field.StructField) != "varchar(24)" {
t.Errorf("data type for scanner is wrong")
}
}
}

1421
scope.go
View File

File diff suppressed because it is too large Load Diff

93
scope_test.go
View File

@ -1,93 +0,0 @@
package gorm_test
import (
"encoding/hex"
"math/rand"
"strings"
"testing"
"github.com/jinzhu/gorm"
)
func NameIn1And2(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", []string{"ScopeUser1", "ScopeUser2"})
}
func NameIn2And3(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", []string{"ScopeUser2", "ScopeUser3"})
}
func NameIn(names []string) func(d *gorm.DB) *gorm.DB {
return func(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", names)
}
}
func TestScopes(t *testing.T) {
user1 := User{Name: "ScopeUser1", Age: 1}
user2 := User{Name: "ScopeUser2", Age: 1}
user3 := User{Name: "ScopeUser3", Age: 2}
DB.Save(&user1).Save(&user2).Save(&user3)
var users1, users2, users3 []User
DB.Scopes(NameIn1And2).Find(&users1)
if len(users1) != 2 {
t.Errorf("Should found two users's name in 1, 2")
}
DB.Scopes(NameIn1And2, NameIn2And3).Find(&users2)
if len(users2) != 1 {
t.Errorf("Should found one user's name is 2")
}
DB.Scopes(NameIn([]string{user1.Name, user3.Name})).Find(&users3)
if len(users3) != 2 {
t.Errorf("Should found two users's name in 1, 3")
}
}
func randName() string {
data := make([]byte, 8)
rand.Read(data)
return "n-" + hex.EncodeToString(data)
}
func TestValuer(t *testing.T) {
name := randName()
origUser := User{Name: name, Age: 1, Password: EncryptedData("pass1"), PasswordHash: []byte("abc")}
if err := DB.Save(&origUser).Error; err != nil {
t.Errorf("No error should happen when saving user, but got %v", err)
}
var user2 User
if err := DB.Where("name = ? AND password = ? AND password_hash = ?", name, EncryptedData("pass1"), []byte("abc")).First(&user2).Error; err != nil {
t.Errorf("No error should happen when querying user with valuer, but got %v", err)
}
}
func TestFailedValuer(t *testing.T) {
name := randName()
err := DB.Exec("INSERT INTO users(name, password) VALUES(?, ?)", name, EncryptedData("xpass1")).Error
if err == nil {
t.Errorf("There should be an error should happen when insert data")
} else if !strings.HasPrefix(err.Error(), "Should not start with") {
t.Errorf("The error should be returned from Valuer, but get %v", err)
}
}
func TestDropTableWithTableOptions(t *testing.T) {
type UserWithOptions struct {
gorm.Model
}
DB.AutoMigrate(&UserWithOptions{})
DB = DB.Set("gorm:table_options", "CHARSET=utf8")
err := DB.DropTable(&UserWithOptions{}).Error
if err != nil {
t.Errorf("Table must be dropped, got error %s", err)
}
}

153
search.go
View File

@ -1,153 +0,0 @@
package gorm
import (
"fmt"
)
type search struct {
db *DB
whereConditions []map[string]interface{}
orConditions []map[string]interface{}
notConditions []map[string]interface{}
havingConditions []map[string]interface{}
joinConditions []map[string]interface{}
initAttrs []interface{}
assignAttrs []interface{}
selects map[string]interface{}
omits []string
orders []interface{}
preload []searchPreload
offset interface{}
limit interface{}
group string
tableName string
raw bool
Unscoped bool
ignoreOrderQuery bool
}
type searchPreload struct {
schema string
conditions []interface{}
}
func (s *search) clone() *search {
clone := *s
return &clone
}
func (s *search) Where(query interface{}, values ...interface{}) *search {
s.whereConditions = append(s.whereConditions, map[string]interface{}{"query": query, "args": values})
return s
}
func (s *search) Not(query interface{}, values ...interface{}) *search {
s.notConditions = append(s.notConditions, map[string]interface{}{"query": query, "args": values})
return s
}
func (s *search) Or(query interface{}, values ...interface{}) *search {
s.orConditions = append(s.orConditions, map[string]interface{}{"query": query, "args": values})
return s
}
func (s *search) Attrs(attrs ...interface{}) *search {
s.initAttrs = append(s.initAttrs, toSearchableMap(attrs...))
return s
}
func (s *search) Assign(attrs ...interface{}) *search {
s.assignAttrs = append(s.assignAttrs, toSearchableMap(attrs...))
return s
}
func (s *search) Order(value interface{}, reorder ...bool) *search {
if len(reorder) > 0 && reorder[0] {
s.orders = []interface{}{}
}
if value != nil && value != "" {
s.orders = append(s.orders, value)
}
return s
}
func (s *search) Select(query interface{}, args ...interface{}) *search {
s.selects = map[string]interface{}{"query": query, "args": args}
return s
}
func (s *search) Omit(columns ...string) *search {
s.omits = columns
return s
}
func (s *search) Limit(limit interface{}) *search {
s.limit = limit
return s
}
func (s *search) Offset(offset interface{}) *search {
s.offset = offset
return s
}
func (s *search) Group(query string) *search {
s.group = s.getInterfaceAsSQL(query)
return s
}
func (s *search) Having(query interface{}, values ...interface{}) *search {
if val, ok := query.(*SqlExpr); ok {
s.havingConditions = append(s.havingConditions, map[string]interface{}{"query": val.expr, "args": val.args})
} else {
s.havingConditions = append(s.havingConditions, map[string]interface{}{"query": query, "args": values})
}
return s
}
func (s *search) Joins(query string, values ...interface{}) *search {
s.joinConditions = append(s.joinConditions, map[string]interface{}{"query": query, "args": values})
return s
}
func (s *search) Preload(schema string, values ...interface{}) *search {
var preloads []searchPreload
for _, preload := range s.preload {
if preload.schema != schema {
preloads = append(preloads, preload)
}
}
preloads = append(preloads, searchPreload{schema, values})
s.preload = preloads
return s
}
func (s *search) Raw(b bool) *search {
s.raw = b
return s
}
func (s *search) unscoped() *search {
s.Unscoped = true
return s
}
func (s *search) Table(name string) *search {
s.tableName = name
return s
}
func (s *search) getInterfaceAsSQL(value interface{}) (str string) {
switch value.(type) {
case string, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
str = fmt.Sprintf("%v", value)
default:
s.db.AddError(ErrInvalidSQL)
}
if str == "-1" {
return ""
}
return
}

30
search_test.go
View File

@ -1,30 +0,0 @@
package gorm
import (
"reflect"
"testing"
)
func TestCloneSearch(t *testing.T) {
s := new(search)
s.Where("name = ?", "jinzhu").Order("name").Attrs("name", "jinzhu").Select("name, age")
s1 := s.clone()
s1.Where("age = ?", 20).Order("age").Attrs("email", "a@e.org").Select("email")
if reflect.DeepEqual(s.whereConditions, s1.whereConditions) {
t.Errorf("Where should be copied")
}
if reflect.DeepEqual(s.orders, s1.orders) {
t.Errorf("Order should be copied")
}
if reflect.DeepEqual(s.initAttrs, s1.initAttrs) {
t.Errorf("InitAttrs should be copied")
}
if reflect.DeepEqual(s.Select, s1.Select) {
t.Errorf("selectStr should be copied")
}
}

5
test_all.sh
View File

@ -1,5 +0,0 @@
dialects=("postgres" "mysql" "mssql" "sqlite")
for dialect in "${dialects[@]}" ; do
DEBUG=false GORM_DIALECT=${dialect} go test
done

465
update_test.go
View File

@ -1,465 +0,0 @@
package gorm_test
import (
"testing"
"time"
"github.com/jinzhu/gorm"
)
func TestUpdate(t *testing.T) {
product1 := Product{Code: "product1code"}
product2 := Product{Code: "product2code"}
DB.Save(&product1).Save(&product2).Update("code", "product2newcode")
if product2.Code != "product2newcode" {
t.Errorf("Record should be updated")
}
DB.First(&product1, product1.Id)
DB.First(&product2, product2.Id)
updatedAt1 := product1.UpdatedAt
if DB.First(&Product{}, "code = ?", product1.Code).RecordNotFound() {
t.Errorf("Product1 should not be updated")
}
if !DB.First(&Product{}, "code = ?", "product2code").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
if DB.First(&Product{}, "code = ?", "product2newcode").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
DB.Table("products").Where("code in (?)", []string{"product1code"}).Update("code", "product1newcode")
var product4 Product
DB.First(&product4, product1.Id)
if updatedAt1.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should be updated if something changed")
}
if !DB.First(&Product{}, "code = 'product1code'").RecordNotFound() {
t.Errorf("Product1's code should be updated")
}
if DB.First(&Product{}, "code = 'product1newcode'").RecordNotFound() {
t.Errorf("Product should not be changed to 789")
}
if DB.Model(product2).Update("CreatedAt", time.Now().Add(time.Hour)).Error != nil {
t.Error("No error should raise when update with CamelCase")
}
if DB.Model(&product2).UpdateColumn("CreatedAt", time.Now().Add(time.Hour)).Error != nil {
t.Error("No error should raise when update_column with CamelCase")
}
var products []Product
DB.Find(&products)
if count := DB.Model(Product{}).Update("CreatedAt", time.Now().Add(2*time.Hour)).RowsAffected; count != int64(len(products)) {
t.Error("RowsAffected should be correct when do batch update")
}
DB.First(&product4, product4.Id)
updatedAt4 := product4.UpdatedAt
DB.Model(&product4).Update("price", gorm.Expr("price + ? - ?", 100, 50))
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100-50 {
t.Errorf("Update with expression")
}
if product4.UpdatedAt.Format(time.RFC3339Nano) == updatedAt4.Format(time.RFC3339Nano) {
t.Errorf("Update with expression should update UpdatedAt")
}
}
func TestUpdateWithNoStdPrimaryKeyAndDefaultValues(t *testing.T) {
animal := Animal{Name: "Ferdinand"}
DB.Save(&animal)
updatedAt1 := animal.UpdatedAt
DB.Save(&animal).Update("name", "Francis")
if updatedAt1.Format(time.RFC3339Nano) == animal.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should not be updated if nothing changed")
}
var animals []Animal
DB.Find(&animals)
if count := DB.Model(Animal{}).Update("CreatedAt", time.Now().Add(2*time.Hour)).RowsAffected; count != int64(len(animals)) {
t.Error("RowsAffected should be correct when do batch update")
}
animal = Animal{From: "somewhere"} // No name fields, should be filled with the default value (galeone)
DB.Save(&animal).Update("From", "a nice place") // The name field shoul be untouched
DB.First(&animal, animal.Counter)
if animal.Name != "galeone" {
t.Errorf("Name fields shouldn't be changed if untouched, but got %v", animal.Name)
}
// When changing a field with a default value, the change must occur
animal.Name = "amazing horse"
DB.Save(&animal)
DB.First(&animal, animal.Counter)
if animal.Name != "amazing horse" {
t.Errorf("Update a filed with a default value should occur. But got %v\n", animal.Name)
}
// When changing a field with a default value with blank value
animal.Name = ""
DB.Save(&animal)
DB.First(&animal, animal.Counter)
if animal.Name != "" {
t.Errorf("Update a filed to blank with a default value should occur. But got %v\n", animal.Name)
}
}
func TestUpdates(t *testing.T) {
product1 := Product{Code: "product1code", Price: 10}
product2 := Product{Code: "product2code", Price: 10}
DB.Save(&product1).Save(&product2)
DB.Model(&product1).Updates(map[string]interface{}{"code": "product1newcode", "price": 100})
if product1.Code != "product1newcode" || product1.Price != 100 {
t.Errorf("Record should be updated also with map")
}
DB.First(&product1, product1.Id)
DB.First(&product2, product2.Id)
updatedAt2 := product2.UpdatedAt
if DB.First(&Product{}, "code = ? and price = ?", product2.Code, product2.Price).RecordNotFound() {
t.Errorf("Product2 should not be updated")
}
if DB.First(&Product{}, "code = ?", "product1newcode").RecordNotFound() {
t.Errorf("Product1 should be updated")
}
DB.Table("products").Where("code in (?)", []string{"product2code"}).Updates(Product{Code: "product2newcode"})
if !DB.First(&Product{}, "code = 'product2code'").RecordNotFound() {
t.Errorf("Product2's code should be updated")
}
var product4 Product
DB.First(&product4, product2.Id)
if updatedAt2.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should be updated if something changed")
}
if DB.First(&Product{}, "code = ?", "product2newcode").RecordNotFound() {
t.Errorf("product2's code should be updated")
}
updatedAt4 := product4.UpdatedAt
DB.Model(&product4).Updates(map[string]interface{}{"price": gorm.Expr("price + ?", 100)})
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100 {
t.Errorf("Updates with expression")
}
// product4's UpdatedAt will be reset when updating
if product4.UpdatedAt.Format(time.RFC3339Nano) == updatedAt4.Format(time.RFC3339Nano) {
t.Errorf("Updates with expression should update UpdatedAt")
}
}
func TestUpdateColumn(t *testing.T) {
product1 := Product{Code: "product1code", Price: 10}
product2 := Product{Code: "product2code", Price: 20}
DB.Save(&product1).Save(&product2).UpdateColumn(map[string]interface{}{"code": "product2newcode", "price": 100})
if product2.Code != "product2newcode" || product2.Price != 100 {
t.Errorf("product 2 should be updated with update column")
}
var product3 Product
DB.First(&product3, product1.Id)
if product3.Code != "product1code" || product3.Price != 10 {
t.Errorf("product 1 should not be updated")
}
DB.First(&product2, product2.Id)
updatedAt2 := product2.UpdatedAt
DB.Model(product2).UpdateColumn("code", "update_column_new")
var product4 Product
DB.First(&product4, product2.Id)
if updatedAt2.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("updatedAt should not be updated with update column")
}
DB.Model(&product4).UpdateColumn("price", gorm.Expr("price + 100 - 50"))
var product5 Product
DB.First(&product5, product4.Id)
if product5.Price != product4.Price+100-50 {
t.Errorf("UpdateColumn with expression")
}
if product5.UpdatedAt.Format(time.RFC3339Nano) != product4.UpdatedAt.Format(time.RFC3339Nano) {
t.Errorf("UpdateColumn with expression should not update UpdatedAt")
}
}
func TestSelectWithUpdate(t *testing.T) {
user := getPreparedUser("select_user", "select_with_update")
DB.Create(user)
var reloadUser User
DB.First(&reloadUser, user.Id)
reloadUser.Name = "new_name"
reloadUser.Age = 50
reloadUser.BillingAddress = Address{Address1: "New Billing Address"}
reloadUser.ShippingAddress = Address{Address1: "New ShippingAddress Address"}
reloadUser.CreditCard = CreditCard{Number: "987654321"}
reloadUser.Emails = []Email{
{Email: "new_user_1@example1.com"}, {Email: "new_user_2@example2.com"}, {Email: "new_user_3@example2.com"},
}
reloadUser.Company = Company{Name: "new company"}
DB.Select("Name", "BillingAddress", "CreditCard", "Company", "Emails").Save(&reloadUser)
var queryUser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryUser, user.Id)
if queryUser.Name == user.Name || queryUser.Age != user.Age {
t.Errorf("Should only update users with name column")
}
if queryUser.BillingAddressID.Int64 == user.BillingAddressID.Int64 ||
queryUser.ShippingAddressId != user.ShippingAddressId ||
queryUser.CreditCard.ID == user.CreditCard.ID ||
len(queryUser.Emails) == len(user.Emails) || queryUser.Company.Id == user.Company.Id {
t.Errorf("Should only update selected relationships")
}
}
func TestSelectWithUpdateWithMap(t *testing.T) {
user := getPreparedUser("select_user", "select_with_update_map")
DB.Create(user)
updateValues := map[string]interface{}{
"Name": "new_name",
"Age": 50,
"BillingAddress": Address{Address1: "New Billing Address"},
"ShippingAddress": Address{Address1: "New ShippingAddress Address"},
"CreditCard": CreditCard{Number: "987654321"},
"Emails": []Email{
{Email: "new_user_1@example1.com"}, {Email: "new_user_2@example2.com"}, {Email: "new_user_3@example2.com"},
},
"Company": Company{Name: "new company"},
}
var reloadUser User
DB.First(&reloadUser, user.Id)
DB.Model(&reloadUser).Select("Name", "BillingAddress", "CreditCard", "Company", "Emails").Update(updateValues)
var queryUser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryUser, user.Id)
if queryUser.Name == user.Name || queryUser.Age != user.Age {
t.Errorf("Should only update users with name column")
}
if queryUser.BillingAddressID.Int64 == user.BillingAddressID.Int64 ||
queryUser.ShippingAddressId != user.ShippingAddressId ||
queryUser.CreditCard.ID == user.CreditCard.ID ||
len(queryUser.Emails) == len(user.Emails) || queryUser.Company.Id == user.Company.Id {
t.Errorf("Should only update selected relationships")
}
}
func TestOmitWithUpdate(t *testing.T) {
user := getPreparedUser("omit_user", "omit_with_update")
DB.Create(user)
var reloadUser User
DB.First(&reloadUser, user.Id)
reloadUser.Name = "new_name"
reloadUser.Age = 50
reloadUser.BillingAddress = Address{Address1: "New Billing Address"}
reloadUser.ShippingAddress = Address{Address1: "New ShippingAddress Address"}
reloadUser.CreditCard = CreditCard{Number: "987654321"}
reloadUser.Emails = []Email{
{Email: "new_user_1@example1.com"}, {Email: "new_user_2@example2.com"}, {Email: "new_user_3@example2.com"},
}
reloadUser.Company = Company{Name: "new company"}
DB.Omit("Name", "BillingAddress", "CreditCard", "Company", "Emails").Save(&reloadUser)
var queryUser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryUser, user.Id)
if queryUser.Name != user.Name || queryUser.Age == user.Age {
t.Errorf("Should only update users with name column")
}
if queryUser.BillingAddressID.Int64 != user.BillingAddressID.Int64 ||
queryUser.ShippingAddressId == user.ShippingAddressId ||
queryUser.CreditCard.ID != user.CreditCard.ID ||
len(queryUser.Emails) != len(user.Emails) || queryUser.Company.Id != user.Company.Id {
t.Errorf("Should only update relationships that not omitted")
}
}
func TestOmitWithUpdateWithMap(t *testing.T) {
user := getPreparedUser("select_user", "select_with_update_map")
DB.Create(user)
updateValues := map[string]interface{}{
"Name": "new_name",
"Age": 50,
"BillingAddress": Address{Address1: "New Billing Address"},
"ShippingAddress": Address{Address1: "New ShippingAddress Address"},
"CreditCard": CreditCard{Number: "987654321"},
"Emails": []Email{
{Email: "new_user_1@example1.com"}, {Email: "new_user_2@example2.com"}, {Email: "new_user_3@example2.com"},
},
"Company": Company{Name: "new company"},
}
var reloadUser User
DB.First(&reloadUser, user.Id)
DB.Model(&reloadUser).Omit("Name", "BillingAddress", "CreditCard", "Company", "Emails").Update(updateValues)
var queryUser User
DB.Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company").First(&queryUser, user.Id)
if queryUser.Name != user.Name || queryUser.Age == user.Age {
t.Errorf("Should only update users with name column")
}
if queryUser.BillingAddressID.Int64 != user.BillingAddressID.Int64 ||
queryUser.ShippingAddressId == user.ShippingAddressId ||
queryUser.CreditCard.ID != user.CreditCard.ID ||
len(queryUser.Emails) != len(user.Emails) || queryUser.Company.Id != user.Company.Id {
t.Errorf("Should only update relationships not omitted")
}
}
func TestSelectWithUpdateColumn(t *testing.T) {
user := getPreparedUser("select_user", "select_with_update_map")
DB.Create(user)
updateValues := map[string]interface{}{"Name": "new_name", "Age": 50}
var reloadUser User
DB.First(&reloadUser, user.Id)
DB.Model(&reloadUser).Select("Name").UpdateColumn(updateValues)
var queryUser User
DB.First(&queryUser, user.Id)
if queryUser.Name == user.Name || queryUser.Age != user.Age {
t.Errorf("Should only update users with name column")
}
}
func TestOmitWithUpdateColumn(t *testing.T) {
user := getPreparedUser("select_user", "select_with_update_map")
DB.Create(user)
updateValues := map[string]interface{}{"Name": "new_name", "Age": 50}
var reloadUser User
DB.First(&reloadUser, user.Id)
DB.Model(&reloadUser).Omit("Name").UpdateColumn(updateValues)
var queryUser User
DB.First(&queryUser, user.Id)
if queryUser.Name != user.Name || queryUser.Age == user.Age {
t.Errorf("Should omit name column when update user")
}
}
func TestUpdateColumnsSkipsAssociations(t *testing.T) {
user := getPreparedUser("update_columns_user", "special_role")
user.Age = 99
address1 := "first street"
user.BillingAddress = Address{Address1: address1}
DB.Save(user)
// Update a single field of the user and verify that the changed address is not stored.
newAge := int64(100)
user.BillingAddress.Address1 = "second street"
db := DB.Model(user).UpdateColumns(User{Age: newAge})
if db.RowsAffected != 1 {
t.Errorf("Expected RowsAffected=1 but instead RowsAffected=%v", DB.RowsAffected)
}
// Verify that Age now=`newAge`.
freshUser := &User{Id: user.Id}
DB.First(freshUser)
if freshUser.Age != newAge {
t.Errorf("Expected freshly queried user to have Age=%v but instead found Age=%v", newAge, freshUser.Age)
}
// Verify that user's BillingAddress.Address1 is not changed and is still "first street".
DB.First(&freshUser.BillingAddress, freshUser.BillingAddressID)
if freshUser.BillingAddress.Address1 != address1 {
t.Errorf("Expected user's BillingAddress.Address1=%s to remain unchanged after UpdateColumns invocation, but BillingAddress.Address1=%s", address1, freshUser.BillingAddress.Address1)
}
}
func TestUpdatesWithBlankValues(t *testing.T) {
product := Product{Code: "product1", Price: 10}
DB.Save(&product)
DB.Model(&Product{Id: product.Id}).Updates(&Product{Price: 100})
var product1 Product
DB.First(&product1, product.Id)
if product1.Code != "product1" || product1.Price != 100 {
t.Errorf("product's code should not be updated")
}
}
type ElementWithIgnoredField struct {
Id int64
Value string
IgnoredField int64 `sql:"-"`
}
func (e ElementWithIgnoredField) TableName() string {
return "element_with_ignored_field"
}
func TestUpdatesTableWithIgnoredValues(t *testing.T) {
elem := ElementWithIgnoredField{Value: "foo", IgnoredField: 10}
DB.Save(&elem)
DB.Table(elem.TableName()).
Where("id = ?", elem.Id).
// DB.Model(&ElementWithIgnoredField{Id: elem.Id}).
Updates(&ElementWithIgnoredField{Value: "bar", IgnoredField: 100})
var elem1 ElementWithIgnoredField
err := DB.First(&elem1, elem.Id).Error
if err != nil {
t.Errorf("error getting an element from database: %s", err.Error())
}
if elem1.IgnoredField != 0 {
t.Errorf("element's ignored field should not be updated")
}
}
func TestUpdateDecodeVirtualAttributes(t *testing.T) {
var user = User{
Name: "jinzhu",
IgnoreMe: 88,
}
DB.Save(&user)
DB.Model(&user).Updates(User{Name: "jinzhu2", IgnoreMe: 100})
if user.IgnoreMe != 100 {
t.Errorf("should decode virtual attributes to struct, so it could be used in callbacks")
}
}

226
utils.go
View File

@ -1,226 +0,0 @@
package gorm
import (
"database/sql/driver"
"fmt"
"reflect"
"regexp"
"runtime"
"strings"
"sync"
"time"
)
// NowFunc returns current time, this function is exported in order to be able
// to give the flexibility to the developer to customize it according to their
// needs, e.g:
// gorm.NowFunc = func() time.Time {
// return time.Now().UTC()
// }
var NowFunc = func() time.Time {
return time.Now()
}
// Copied from golint
var commonInitialisms = []string{"API", "ASCII", "CPU", "CSS", "DNS", "EOF", "GUID", "HTML", "HTTP", "HTTPS", "ID", "IP", "JSON", "LHS", "QPS", "RAM", "RHS", "RPC", "SLA", "SMTP", "SSH", "TLS", "TTL", "UID", "UI", "UUID", "URI", "URL", "UTF8", "VM", "XML", "XSRF", "XSS"}
var commonInitialismsReplacer *strings.Replacer
var goSrcRegexp = regexp.MustCompile(`jinzhu/gorm(@.*)?/.*.go`)
var goTestRegexp = regexp.MustCompile(`jinzhu/gorm(@.*)?/.*test.go`)
func init() {
var commonInitialismsForReplacer []string
for _, initialism := range commonInitialisms {
commonInitialismsForReplacer = append(commonInitialismsForReplacer, initialism, strings.Title(strings.ToLower(initialism)))
}
commonInitialismsReplacer = strings.NewReplacer(commonInitialismsForReplacer...)
}
type safeMap struct {
m map[string]string
l *sync.RWMutex
}
func (s *safeMap) Set(key string, value string) {
s.l.Lock()
defer s.l.Unlock()
s.m[key] = value
}
func (s *safeMap) Get(key string) string {
s.l.RLock()
defer s.l.RUnlock()
return s.m[key]
}
func newSafeMap() *safeMap {
return &safeMap{l: new(sync.RWMutex), m: make(map[string]string)}
}
// SQL expression
type SqlExpr struct {
expr string
args []interface{}
}
// Expr generate raw SQL expression, for example:
// DB.Model(&product).Update("price", gorm.Expr("price * ? + ?", 2, 100))
func Expr(expression string, args ...interface{}) *SqlExpr {
return &SqlExpr{expr: expression, args: args}
}
func indirect(reflectValue reflect.Value) reflect.Value {
for reflectValue.Kind() == reflect.Ptr {
reflectValue = reflectValue.Elem()
}
return reflectValue
}
func toQueryMarks(primaryValues [][]interface{}) string {
var results []string
for _, primaryValue := range primaryValues {
var marks []string
for range primaryValue {
marks = append(marks, "?")
}
if len(marks) > 1 {
results = append(results, fmt.Sprintf("(%v)", strings.Join(marks, ",")))
} else {
results = append(results, strings.Join(marks, ""))
}
}
return strings.Join(results, ",")
}
func toQueryCondition(scope *Scope, columns []string) string {
var newColumns []string
for _, column := range columns {
newColumns = append(newColumns, scope.Quote(column))
}
if len(columns) > 1 {
return fmt.Sprintf("(%v)", strings.Join(newColumns, ","))
}
return strings.Join(newColumns, ",")
}
func toQueryValues(values [][]interface{}) (results []interface{}) {
for _, value := range values {
for _, v := range value {
results = append(results, v)
}
}
return
}
func fileWithLineNum() string {
for i := 2; i < 15; i++ {
_, file, line, ok := runtime.Caller(i)
if ok && (!goSrcRegexp.MatchString(file) || goTestRegexp.MatchString(file)) {
return fmt.Sprintf("%v:%v", file, line)
}
}
return ""
}
func isBlank(value reflect.Value) bool {
switch value.Kind() {
case reflect.String:
return value.Len() == 0
case reflect.Bool:
return !value.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return value.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return value.Uint() == 0
case reflect.Float32, reflect.Float64:
return value.Float() == 0
case reflect.Interface, reflect.Ptr:
return value.IsNil()
}
return reflect.DeepEqual(value.Interface(), reflect.Zero(value.Type()).Interface())
}
func toSearchableMap(attrs ...interface{}) (result interface{}) {
if len(attrs) > 1 {
if str, ok := attrs[0].(string); ok {
result = map[string]interface{}{str: attrs[1]}
}
} else if len(attrs) == 1 {
if attr, ok := attrs[0].(map[string]interface{}); ok {
result = attr
}
if attr, ok := attrs[0].(interface{}); ok {
result = attr
}
}
return
}
func equalAsString(a interface{}, b interface{}) bool {
return toString(a) == toString(b)
}
func toString(str interface{}) string {
if values, ok := str.([]interface{}); ok {
var results []string
for _, value := range values {
results = append(results, toString(value))
}
return strings.Join(results, "_")
} else if bytes, ok := str.([]byte); ok {
return string(bytes)
} else if reflectValue := reflect.Indirect(reflect.ValueOf(str)); reflectValue.IsValid() {
return fmt.Sprintf("%v", reflectValue.Interface())
}
return ""
}
func makeSlice(elemType reflect.Type) interface{} {
if elemType.Kind() == reflect.Slice {
elemType = elemType.Elem()
}
sliceType := reflect.SliceOf(elemType)
slice := reflect.New(sliceType)
slice.Elem().Set(reflect.MakeSlice(sliceType, 0, 0))
return slice.Interface()
}
func strInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
// getValueFromFields return given fields's value
func getValueFromFields(value reflect.Value, fieldNames []string) (results []interface{}) {
// If value is a nil pointer, Indirect returns a zero Value!
// Therefor we need to check for a zero value,
// as FieldByName could panic
if indirectValue := reflect.Indirect(value); indirectValue.IsValid() {
for _, fieldName := range fieldNames {
if fieldValue := reflect.Indirect(indirectValue.FieldByName(fieldName)); fieldValue.IsValid() {
result := fieldValue.Interface()
if r, ok := result.(driver.Valuer); ok {
result, _ = r.Value()
}
results = append(results, result)
}
}
}
return
}
func addExtraSpaceIfExist(str string) string {
if str != "" {
return " " + str
}
return ""
}

154
wercker.yml
View File

@ -1,154 +0,0 @@
# use the default golang container from Docker Hub
box: golang
services:
- name: mariadb
id: mariadb:latest
env:
MYSQL_DATABASE: gorm
MYSQL_USER: gorm
MYSQL_PASSWORD: gorm
MYSQL_RANDOM_ROOT_PASSWORD: "yes"
- name: mysql
id: mysql:latest
env:
MYSQL_DATABASE: gorm
MYSQL_USER: gorm
MYSQL_PASSWORD: gorm
MYSQL_RANDOM_ROOT_PASSWORD: "yes"
- name: mysql57
id: mysql:5.7
env:
MYSQL_DATABASE: gorm
MYSQL_USER: gorm
MYSQL_PASSWORD: gorm
MYSQL_RANDOM_ROOT_PASSWORD: "yes"
- name: mysql56
id: mysql:5.6
env:
MYSQL_DATABASE: gorm
MYSQL_USER: gorm
MYSQL_PASSWORD: gorm
MYSQL_RANDOM_ROOT_PASSWORD: "yes"
- name: postgres
id: postgres:latest
env:
POSTGRES_USER: gorm
POSTGRES_PASSWORD: gorm
POSTGRES_DB: gorm
- name: postgres96
id: postgres:9.6
env:
POSTGRES_USER: gorm
POSTGRES_PASSWORD: gorm
POSTGRES_DB: gorm
- name: postgres95
id: postgres:9.5
env:
POSTGRES_USER: gorm
POSTGRES_PASSWORD: gorm
POSTGRES_DB: gorm
- name: postgres94
id: postgres:9.4
env:
POSTGRES_USER: gorm
POSTGRES_PASSWORD: gorm
POSTGRES_DB: gorm
- name: postgres93
id: postgres:9.3
env:
POSTGRES_USER: gorm
POSTGRES_PASSWORD: gorm
POSTGRES_DB: gorm
- name: mssql
id: mcmoe/mssqldocker:latest
env:
ACCEPT_EULA: Y
SA_PASSWORD: LoremIpsum86
MSSQL_DB: gorm
MSSQL_USER: gorm
MSSQL_PASSWORD: LoremIpsum86
# The steps that will be executed in the build pipeline
build:
# The steps that will be executed on build
steps:
# Sets the go workspace and places you package
# at the right place in the workspace tree
- setup-go-workspace
# Gets the dependencies
- script:
name: go get
code: |
cd $WERCKER_SOURCE_DIR
go version
go get -t -v ./...
# Build the project
- script:
name: go build
code: |
go build ./...
# Test the project
- script:
name: test sqlite
code: |
go test -race -v ./...
- script:
name: test mariadb
code: |
GORM_DIALECT=mysql GORM_DSN="gorm:gorm@tcp(mariadb:3306)/gorm?charset=utf8&parseTime=True" go test -race ./...
- script:
name: test mysql
code: |
GORM_DIALECT=mysql GORM_DSN="gorm:gorm@tcp(mysql:3306)/gorm?charset=utf8&parseTime=True" go test -race ./...
- script:
name: test mysql5.7
code: |
GORM_DIALECT=mysql GORM_DSN="gorm:gorm@tcp(mysql57:3306)/gorm?charset=utf8&parseTime=True" go test -race ./...
- script:
name: test mysql5.6
code: |
GORM_DIALECT=mysql GORM_DSN="gorm:gorm@tcp(mysql56:3306)/gorm?charset=utf8&parseTime=True" go test -race ./...
- script:
name: test postgres
code: |
GORM_DIALECT=postgres GORM_DSN="host=postgres user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test -race ./...
- script:
name: test postgres96
code: |
GORM_DIALECT=postgres GORM_DSN="host=postgres96 user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test -race ./...
- script:
name: test postgres95
code: |
GORM_DIALECT=postgres GORM_DSN="host=postgres95 user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test -race ./...
- script:
name: test postgres94
code: |
GORM_DIALECT=postgres GORM_DSN="host=postgres94 user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test -race ./...
- script:
name: test postgres93
code: |
GORM_DIALECT=postgres GORM_DSN="host=postgres93 user=gorm password=gorm DB.name=gorm port=5432 sslmode=disable" go test -race ./...
- script:
name: test mssql
code: |
GORM_DIALECT=mssql GORM_DSN="sqlserver://gorm:LoremIpsum86@mssql:1433?database=gorm" go test -race ./...
- script:
name: codecov
code: |
go test -race -coverprofile=coverage.txt -covermode=atomic ./...
bash <(curl -s https://codecov.io/bash)