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fixed cyclic reference bug

Browse Source 
mysql-test/r/subselect.result:
  test of cyclic reference
mysql-test/t/subselect.test:
  test of cyclic reference
sql/share/czech/errmsg.txt:
  new error message
sql/share/danish/errmsg.txt:
  new error message
sql/share/dutch/errmsg.txt:
  new error message
sql/share/english/errmsg.txt:
  new error message
sql/share/estonian/errmsg.txt:
  new error message
sql/share/french/errmsg.txt:
  new error message
sql/share/german/errmsg.txt:
  new error message
sql/share/greek/errmsg.txt:
  new error message
sql/share/hungarian/errmsg.txt:
  new error message
sql/share/italian/errmsg.txt:
  new error message
sql/share/japanese/errmsg.txt:
  new error message
sql/share/korean/errmsg.txt:
  new error message
sql/share/norwegian-ny/errmsg.txt:
  new error message
sql/share/norwegian/errmsg.txt:
  new error message
sql/share/polish/errmsg.txt:
  new error message
sql/share/portuguese/errmsg.txt:
  new error message
sql/share/romanian/errmsg.txt:
  new error message
sql/share/russian/errmsg.txt:
  new error message
sql/share/serbian/errmsg.txt:
  new error message
sql/share/slovak/errmsg.txt:
  new error message
sql/share/spanish/errmsg.txt:
  new error message
sql/share/swedish/errmsg.txt:
  new error message
sql/share/ukrainian/errmsg.txt:
  new error message
This commit is contained in:
unknown
2002-11-14 00:26:18 +02:00
parent e0ad88a2ff
commit 81a5afb925
39 changed files with 250 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
sql/item_cmpfunc.cc
View File

@ -344,6 +344,14 @@ void Item_func_interval::update_used_tables()
const_item_cache&=item->const_item();
}
bool Item_func_interval::check_loop(uint id)
{
DBUG_ENTER("Item_func_interval::check_loop");
if (Item_func::check_loop(id))
DBUG_RETURN(1);
DBUG_RETURN(item->check_loop(id));
}
void Item_func_between::fix_length_and_dec()
{
max_length=1;
@ -776,6 +784,16 @@ Item_func_case::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
return 0;
}
bool Item_func_case::check_loop(uint id)
{
DBUG_ENTER("Item_func_case::check_loop");
if (Item_func::check_loop(id))
DBUG_RETURN(1);
DBUG_RETURN((first_expr && first_expr->check_loop(id)) ||
(else_expr && else_expr->check_loop(id)));
}
void Item_func_case::update_used_tables()
{
Item_func::update_used_tables();
@ -1137,6 +1155,20 @@ Item_cond::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
return 0;
}
bool Item_cond::check_loop(uint id)
{
DBUG_ENTER("Item_cond::check_loop");
if (Item_func::check_loop(id))
DBUG_RETURN(1);
List_iterator<Item> li(list);
Item *item;
while ((item= li++))
{
if (item->check_loop(id))
DBUG_RETURN(1);
}
DBUG_RETURN(0);
}
void Item_cond::split_sum_func(List<Item> &fields)
{