Add check for empty set when dropping indexes during migration (#8475)

2019-10-12 02:31:12 -03:00 · 2019-10-12 02:31:12 -03:00 · 80b50afe1f
commit 80b50afe1f
parent 20a28b785a
1 changed files with 5 additions and 3 deletions
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@ -384,11 +384,13 @@ func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...strin
 		}
 		for _, index := range res {
 			indexName := index["column_name"]
+			if len(indexName) > 0 {
 				_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s` ON `%s`", indexName, tableName))
 				if err != nil {
 					return err
 				}
 			}
+		}

 		// Now drop the columns
 		cols := ""