Make Query works

This commit is contained in:
Jinzhu 2020-03-03 14:18:12 +08:00
parent 0da8191f60
commit 1403ee70c3
5 changed files with 46 additions and 16 deletions

View File

@ -1,6 +1,7 @@
package callbacks
import (
"database/sql"
"reflect"
"github.com/jinzhu/gorm"
@ -15,9 +16,31 @@ func Query(db *gorm.DB) {
}
rows, err := db.DB.QueryContext(db.Context, db.Statement.SQL.String(), db.Statement.Vars...)
db.AddError(err)
_ = rows
// scan rows
if err != nil {
db.AddError(err)
return
}
defer rows.Close()
columns, _ := rows.Columns()
values := make([]interface{}, len(columns))
for idx, column := range columns {
if field, ok := db.Statement.Schema.FieldsByDBName[column]; ok {
values[idx] = field.ReflectValueOf(db.Statement.ReflectValue).Addr().Interface()
} else {
values[idx] = sql.RawBytes{}
}
}
for rows.Next() {
db.RowsAffected++
rows.Scan(values...)
}
if db.RowsAffected == 0 && db.Statement.RaiseErrorOnNotFound {
db.AddError(gorm.ErrRecordNotFound)
}
}
func Preload(db *gorm.DB) {

View File

@ -59,8 +59,10 @@ func (dialector Dialector) DataTypeOf(field *schema.Field) string {
}
case schema.Float:
return "real"
case schema.String, schema.Time:
case schema.String:
return "text"
case schema.Time:
return "datetime"
case schema.Bytes:
return "blob"
}

View File

@ -28,6 +28,7 @@ func (db *DB) First(out interface{}, where ...interface{}) (tx *DB) {
Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
Desc: true,
})
tx.Statement.RaiseErrorOnNotFound = true
tx.Statement.Dest = out
tx.callbacks.Query().Execute(tx)
return
@ -35,7 +36,8 @@ func (db *DB) First(out interface{}, where ...interface{}) (tx *DB) {
// Take return a record that match given conditions, the order will depend on the database implementation
func (db *DB) Take(out interface{}, where ...interface{}) (tx *DB) {
tx = db.getInstance()
tx = db.getInstance().Limit(1)
tx.Statement.RaiseErrorOnNotFound = true
tx.Statement.Dest = out
tx.callbacks.Query().Execute(tx)
return
@ -46,6 +48,7 @@ func (db *DB) Last(out interface{}, where ...interface{}) (tx *DB) {
tx = db.getInstance().Limit(1).Order(clause.OrderByColumn{
Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
})
tx.Statement.RaiseErrorOnNotFound = true
tx.Statement.Dest = out
tx.callbacks.Query().Execute(tx)
return
@ -54,6 +57,8 @@ func (db *DB) Last(out interface{}, where ...interface{}) (tx *DB) {
// Find find records that match given conditions
func (db *DB) Find(out interface{}, where ...interface{}) (tx *DB) {
tx = db.getInstance()
tx.Statement.Dest = out
tx.callbacks.Query().Execute(tx)
return
}

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@ -40,16 +40,17 @@ func (inst *Instance) AddError(err error) {
// Statement statement
type Statement struct {
Table string
Model interface{}
Dest interface{}
ReflectValue reflect.Value
Clauses map[string]clause.Clause
Selects []string // selected columns
Omits []string // omit columns
Settings sync.Map
DB *DB
Schema *schema.Schema
Table string
Model interface{}
Dest interface{}
ReflectValue reflect.Value
Clauses map[string]clause.Clause
Selects []string // selected columns
Omits []string // omit columns
Settings sync.Map
DB *DB
Schema *schema.Schema
RaiseErrorOnNotFound bool
// SQL Builder
SQL strings.Builder

View File

@ -18,7 +18,6 @@ func RunTestsSuit(t *testing.T, db *gorm.DB) {
func TestCreate(t *testing.T, db *gorm.DB) {
db.AutoMigrate(&User{})
db = db.Debug()
t.Run("Create", func(t *testing.T) {
var user = User{