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Code Activity

now we create temporary join for all queries with subqueries to make correct cleunup of tables and avoid too early unlock (BUG#6841)

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mysql-test/t/subselect_innodb.test:
  possible early unlock
sql/sql_lex.cc:
  subqueries presence flag
sql/sql_lex.h:
  subqueries presence flag
sql/sql_parse.cc:
  subqueries presence flag
sql/sql_select.cc:
  removed some too optimistic optimisation, now we create temporary join for all queries with subqueries to make correct cleunup of tables and avoid too early unlock
This commit is contained in:
unknown
2004-11-30 21:41:12 +02:00
parent dcd6e3d070
commit a49025d2c8
5 changed files with 14 additions and 2 deletions
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sql/sql_parse.cc
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@@ -3955,6 +3955,7 @@ mysql_new_select(LEX *lex, bool move_down)
select_lex->init_select();
if (move_down)
{
lex->subqueries= TRUE;
/* first select_lex of subselect or derived table */
SELECT_LEX_UNIT *unit;
if (!(unit= new(lex->thd->mem_root) SELECT_LEX_UNIT()))