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Fixed mysql query syntax for FK removal (#1993)

This commit is contained in:
Alexey 2018-07-27 02:43:49 +03:00 committed by Jinzhu
parent d68403b29d
commit 409121d9e3
1 changed files with 8 additions and 2 deletions
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10
scope.go
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@ -1216,11 +1216,17 @@ func (scope *Scope) addForeignKey(field string, dest string, onDelete string, on
func (scope *Scope) removeForeignKey(field string, dest string) { func (scope *Scope) removeForeignKey(field string, dest string) {
keyName := scope.Dialect().BuildKeyName(scope.TableName(), field, dest, "foreign") keyName := scope.Dialect().BuildKeyName(scope.TableName(), field, dest, "foreign")
if !scope.Dialect().HasForeignKey(scope.TableName(), keyName) { if !scope.Dialect().HasForeignKey(scope.TableName(), keyName) {
return return
} }
var query = `ALTER TABLE %s DROP CONSTRAINT %s;` var mysql mysql
var query string
if scope.Dialect().GetName() == mysql.GetName() {
query = `ALTER TABLE %s DROP FOREIGN KEY %s;`
} else {
query = `ALTER TABLE %s DROP CONSTRAINT %s;`
}
scope.Raw(fmt.Sprintf(query, scope.QuotedTableName(), scope.quoteIfPossible(keyName))).Exec() scope.Raw(fmt.Sprintf(query, scope.QuotedTableName(), scope.quoteIfPossible(keyName))).Exec()
} }