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A fix for a bug with derived tables within subselect

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within derived tables within ......
This commit is contained in:
unknown
2002-11-26 16:49:55 +02:00
parent a14db06bfc
commit ae729f9315
3 changed files with 16 additions and 8 deletions
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18
sql/sql_derived.cc
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@ -50,15 +50,19 @@ int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, TABLE_LIST *t)
if (res)
DBUG_RETURN(-1);
for (TABLE_LIST *cursor= (TABLE_LIST *)tables;
cursor;
cursor=cursor->next)
for (SELECT_LEX *ssl= sl; ssl; ssl= ssl->next_select_in_list())
{
if (cursor->derived)
TABLE_LIST *t_tables= (TABLE_LIST *)ssl->table_list.first;
for (TABLE_LIST *cursor= (TABLE_LIST *)t_tables;
cursor;
cursor=cursor->next)
{
res= mysql_derived(thd, lex, (SELECT_LEX_UNIT *)cursor->derived,
cursor);
if (res) DBUG_RETURN(res);
if (cursor->derived)
{
res= mysql_derived(thd, lex, (SELECT_LEX_UNIT *)cursor->derived,
cursor);
if (res) DBUG_RETURN(res);
}
}
}
Item *item;