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Merge magare.gmz:/home/kgeorge/mysql/work/B30377-5.0-opt

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into  magare.gmz:/home/kgeorge/mysql/work/B30377-5.1-opt
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gkodinov/kgeorge@magare.gmz
2007-08-29 11:38:05 +03:00
parent 2df0485d93 cfaa0983c8
commit acf0ebe69f
4 changed files with 107 additions and 1 deletions
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22
sql/sql_lex.h
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@ -1799,6 +1799,28 @@ typedef struct st_lex : public Query_tables_list
bool table_or_sp_used();
bool is_partition_management() const;
/**
@brief check if the statement is a single-level join
@return result of the check
@retval TRUE The statement doesn't contain subqueries, unions and
stored procedure calls.
@retval FALSE There are subqueries, UNIONs or stored procedure calls.
*/
bool is_single_level_stmt()
{
/*
This check exploits the fact that the last added to all_select_list is
on its top. So select_lex (as the first added) will be at the tail
of the list.
*/
if (&select_lex == all_selects_list && !sroutines.records)
{
DBUG_ASSERT(!all_selects_list->next_select_in_list());
return TRUE;
}
return FALSE;
}
} LEX;
struct st_lex_local: public st_lex