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MDEV-8789 Implement non-recursive common table expressions

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Initial implementation
This commit is contained in:
Galina Shalygina
2015-12-17 23:52:14 +03:00
committed by Igor Babaev
parent 12b86beac8
commit dfc4772f83
19 changed files with 2070 additions and 30 deletions
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4
sql/sql_parse.cc
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@@ -92,6 +92,7 @@
#include "transaction.h"
#include "sql_audit.h"
#include "sql_prepare.h"
#include "sql_cte.h"
#include "debug_sync.h"
#include "probes_mysql.h"
#include "set_var.h"
@@ -5820,6 +5821,9 @@ static bool execute_sqlcom_select(THD *thd, TABLE_LIST *all_tables)
new (thd->mem_root) Item_int(thd,
(ulonglong) thd->variables.select_limit);
}
if (check_dependencies_in_with_clauses(lex->with_clauses_list))
return 1;
if (!(res= open_and_lock_tables(thd, all_tables, TRUE, 0)))
{
if (lex->describe)