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Fix for bug #6462 "Same request on same data returns different

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results." a.k.a. "Proper cleanup of subqueries is missing for SET and DO
statements". (Version #2 with after-review fixes).

To perform proper cleanup for statements that can contain subqueries 
but don't have main select we must call free_undelaid_joins().
This commit is contained in:
dlenev@brandersnatch.localdomain
2004-11-22 13:05:10 +03:00
parent a2177a2f35
commit c37977c87d
4 changed files with 46 additions and 6 deletions
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sql/sql_do.cc
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@@ -29,6 +29,7 @@ int mysql_do(THD *thd, List<Item> &values)
DBUG_RETURN(-1);
while ((value = li++))
value->val_int();
free_underlaid_joins(thd, &thd->lex->select_lex);
thd->clear_error(); // DO always is OK
send_ok(thd);
DBUG_RETURN(0);