ddl: ignore already deleted key when drop column

2015-11-06 17:02:28 +08:00
parent a21673dff3
commit ea1bb8eeeb
1 changed files with 2 additions and 1 deletions
--- a/ddl/column.go
+++ b/ddl/column.go
@ -413,7 +413,8 @@ func (d *ddl) dropTableColumn(t table.Table, colInfo *model.ColumnInfo, version
 		err = kv.RunInNewTxn(d.store, true, func(txn kv.Transaction) error {
 			for _, h := range handles {
 				key := t.RecordKey(h, col)
-				if err := txn.Delete(key); err != nil {
+				err := txn.Delete(key)
+				if err != nil && !terror.ErrorEqual(err, kv.ErrNotExist) {
 					return errors.Trace(err)
 				}
 			}