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cyclic reference test removed, becouse testing of Item::fixed field apply more strict limitation

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This commit is contained in:
bell@sanja.is.com.ua
2003-01-30 14:35:07 +02:00
parent 0469dd4993
commit 5ed5dac01b
18 changed files with 9 additions and 217 deletions
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35
sql/sql_select.cc
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@ -1274,24 +1274,6 @@ JOIN::cleanup(THD *thd)
DBUG_RETURN(error);
}
bool JOIN::check_loop(uint id)
{
DBUG_ENTER("JOIN::check_loop");
Item *item;
List_iterator<Item> it(all_fields);
DBUG_PRINT("info", ("all_fields:"));
while ((item= it++))
if (item->check_loop(id))
DBUG_RETURN(1);
DBUG_PRINT("info", ("where:"));
if (select_lex->where && select_lex->where->check_loop(id))
DBUG_RETURN(1);
DBUG_PRINT("info", ("having:"));
if (select_lex->having && select_lex->having->check_loop(id))
DBUG_RETURN(1);
DBUG_RETURN(0);
}
int
mysql_select(THD *thd, Item ***rref_pointer_array,
TABLE_LIST *tables, uint wild_num, List<Item> &fields,
@ -1329,23 +1311,6 @@ mysql_select(THD *thd, Item ***rref_pointer_array,
{
DBUG_RETURN(-1);
}
if (thd->possible_loops)
{
Item *item;
while (thd->possible_loops->elements)
{
item= thd->possible_loops->pop();
if (item->check_loop(thd->check_loops_counter++))
{
delete thd->possible_loops;
thd->possible_loops= 0;
my_message(ER_CYCLIC_REFERENCE, ER(ER_CYCLIC_REFERENCE), MYF(0));
return 1;
}
}
delete thd->possible_loops;
thd->possible_loops= 0;
}
}
if ((err= join->optimize()))