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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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3
sql/sql_prepare.cc
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@ -102,6 +102,7 @@ When one supplies long data for a placeholder:
#include "sql_acl.h" // *_ACL
#include "sql_derived.h" // mysql_derived_prepare,
// mysql_handle_derived
#include "sql_cte.h"
#include "sql_cursor.h"
#include "sp_head.h"
#include "sp.h"
@ -1497,6 +1498,8 @@ static int mysql_test_select(Prepared_statement *stmt,
lex->select_lex.context.resolve_in_select_list= TRUE;
ulong privilege= lex->exchange ? SELECT_ACL | FILE_ACL : SELECT_ACL;
if (check_dependencies_in_with_clauses(lex->with_clauses_list))
goto error;
if (tables)
{
if (check_table_access(thd, privilege, tables, FALSE, UINT_MAX, FALSE))