database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

fixed union rexecution bug

Browse Source
This commit is contained in:
bell@sanja.is.com.ua
2002-10-27 21:29:40 +02:00
parent 8ec9edac55
commit 7777d2b819
5 changed files with 14 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
sql/sql_union.cc
View File

@ -199,8 +199,12 @@ int st_select_lex_unit::exec()
{
DBUG_ENTER("st_select_lex_unit::exec");
SELECT_LEX *lex_select_save= thd->lex.select;
if(depended || !item || !item->assigned())
if (executed && !depended)
DBUG_RETURN(0);
executed= 1;
if (depended || !item || !item->assigned())
{
if (optimized && item && item->assigned())
item->assigned(0); // We will reinit & rexecute unit