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Clear value from db after set table name

This commit is contained in:
Jinzhu 2015-02-26 16:08:15 +08:00
parent b5edc9137c
commit 33e6b14632
4 changed files with 22 additions and 24 deletions
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22
association.go
View File

@ -78,7 +78,7 @@ func (association *Association) Delete(values ...interface{}) *Association {
relationship.JoinTable, association.Scope.Quote(relationship.ForeignDBName),
relationship.JoinTable, association.Scope.Quote(relationship.AssociationForeignDBName))
if err := association.Scope.db.Model("").Table(relationship.JoinTable).
if err := association.Scope.DB().Table(relationship.JoinTable).
Where(whereSql, association.PrimaryKey, primaryKeys).Delete("").Error; err == nil {
leftValues := reflect.Zero(association.Field.Field.Type())
for i := 0; i < association.Field.Field.Len(); i++ {
@ -136,7 +136,7 @@ func (association *Association) Replace(values ...interface{}) *Association {
relationship.JoinTable, association.Scope.Quote(relationship.ForeignDBName),
relationship.JoinTable, association.Scope.Quote(relationship.AssociationForeignDBName))
scope.db.Model("").Table(relationship.JoinTable).Where(whereSql, association.PrimaryKey, addedPrimaryKeys).Delete("")
scope.DB().Table(relationship.JoinTable).Where(whereSql, association.PrimaryKey, addedPrimaryKeys).Delete("")
} else {
association.setErr(errors.New("replace only support many to many"))
}
@ -148,7 +148,7 @@ func (association *Association) Clear() *Association {
scope := association.Scope
if relationship.Kind == "many_to_many" {
whereSql := fmt.Sprintf("%v.%v = ?", relationship.JoinTable, scope.Quote(relationship.ForeignDBName))
if err := scope.db.Model("").Table(relationship.JoinTable).Where(whereSql, association.PrimaryKey).Delete("").Error; err == nil {
if err := scope.DB().Table(relationship.JoinTable).Where(whereSql, association.PrimaryKey).Delete("").Error; err == nil {
association.Field.Set(reflect.Zero(association.Field.Field.Type()))
} else {
association.setErr(err)
@ -166,18 +166,12 @@ func (association *Association) Count() int {
newScope := scope.New(association.Field.Field.Interface())
if relationship.Kind == "many_to_many" {
whereSql := fmt.Sprintf("%v.%v IN (SELECT %v.%v FROM %v WHERE %v.%v = ?)",
newScope.QuotedTableName(),
scope.Quote(newScope.PrimaryKey()),
relationship.JoinTable,
scope.Quote(relationship.AssociationForeignDBName),
relationship.JoinTable,
relationship.JoinTable,
scope.Quote(relationship.ForeignDBName))
scope.db.Model("").Table(newScope.QuotedTableName()).Where(whereSql, association.PrimaryKey).Count(&count)
scope.DB().Table(relationship.JoinTable).
Select("COUNT(DISTINCT ?)", relationship.AssociationForeignDBName).
Where(relationship.ForeignDBName+" = ?", association.PrimaryKey).Row().Scan(&count)
} else if relationship.Kind == "has_many" || relationship.Kind == "has_one" {
whereSql := fmt.Sprintf("%v.%v = ?", newScope.QuotedTableName(), newScope.Quote(relationship.ForeignDBName))
countScope := scope.db.Model("").Table(newScope.QuotedTableName()).Where(whereSql, association.PrimaryKey)
countScope := scope.DB().Table(newScope.TableName()).Where(whereSql, association.PrimaryKey)
if relationship.PolymorphicType != "" {
countScope = countScope.Where(fmt.Sprintf("%v.%v = ?", newScope.QuotedTableName(), newScope.Quote(relationship.PolymorphicDBName)), scope.TableName())
}
@ -185,7 +179,7 @@ func (association *Association) Count() int {
} else if relationship.Kind == "belongs_to" {
if v, ok := scope.FieldByName(association.Column); ok {
whereSql := fmt.Sprintf("%v.%v = ?", newScope.QuotedTableName(), newScope.Quote(relationship.ForeignDBName))
scope.db.Model("").Table(newScope.QuotedTableName()).Where(whereSql, v).Count(&count)
scope.DB().Table(newScope.TableName()).Where(whereSql, v).Count(&count)
}
}

6
association_test.go
View File

@ -1,9 +1,6 @@
package gorm_test
import (
"os"
"testing"
)
import "testing"
func TestHasOneAndHasManyAssociation(t *testing.T) {
DB.DropTable(Category{})
@ -183,7 +180,6 @@ func TestManyToMany(t *testing.T) {
DB.Model(&user).Association("Languages").Delete(language, &language)
if DB.Model(&user).Association("Languages").Count() != len(totalLanguages)-1 || len(user.Languages) != len(totalLanguages)-1 {
t.Errorf("Relations should be deleted with Delete")
os.Exit(1)
}
if DB.Where("name = ?", "EE").First(&Language{}).RecordNotFound() {
t.Errorf("Language EE should not be deleted")

5
main.go
View File

@ -322,7 +322,10 @@ func (s *DB) Count(value interface{}) *DB {
}
func (s *DB) Table(name string) *DB {
return s.clone().search.table(name).db
clone := s.clone()
clone.search.table(name)
clone.Value = nil
return clone
}
func (s *DB) Debug() *DB {

13
scope.go
View File

@ -53,11 +53,16 @@ func (scope *Scope) NewDB() *DB {
if scope.db != nil {
db := scope.db.clone()
db.search = nil
db.Value = nil
return db
}
return nil
}
func (scope *Scope) DB() *DB {
return scope.db
}
// SqlDB return *sql.DB
func (scope *Scope) SqlDB() sqlCommon {
return scope.db.db
@ -221,13 +226,13 @@ func (scope *Scope) TableName() string {
return scope.GetModelStruct().TableName
}
func (scope *Scope) QuotedTableName() string {
func (scope *Scope) QuotedTableName() (name string) {
if scope.Search != nil && len(scope.Search.TableName) > 0 {
return scope.Search.TableName
}
return scope.Quote(scope.Search.TableName)
} else {
return scope.Quote(scope.TableName())
}
}
// CombinedConditionSql get combined condition sql
func (scope *Scope) CombinedConditionSql() string {