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Don't need to delete join table records if no record added

This commit is contained in:
Jinzhu 2015-06-18 18:23:11 +08:00
parent cad0a42875
commit 7e8622f671
1 changed files with 5 additions and 3 deletions
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2
association.go
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@ -131,9 +131,11 @@ func (association *Association) Replace(values ...interface{}) *Association {
addedPrimaryKeys = append(addedPrimaryKeys, primaryKey)
}
if len(addedPrimaryKeys) > 0 {
sql := fmt.Sprintf("%v = ? AND %v NOT IN (?)", scope.Quote(relationship.ForeignDBName), scope.Quote(relationship.AssociationForeignDBName))
query := scope.NewDB().Where(sql, association.PrimaryKey, addedPrimaryKeys)
association.setErr(relationship.JoinTableHandler.Delete(query, relationship))
}
} else {
association.setErr(errors.New("replace only support many to many"))
}