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Bug#8670

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Rework to resolve ambigious grammer: conflict in join expression
  handling of parentheses for nested joins and derived tables.
  Tests included of failing statements
Optimize item construction for AND/OR logical expressions
This commit is contained in:
acurtis@pcgem.rdg.cyberkinetica.com
2005-03-16 00:13:23 +00:00
parent a95f09e228
commit 1a64fe066d
4 changed files with 213 additions and 53 deletions
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7
sql/sql_parse.cc
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@ -5852,6 +5852,7 @@ TABLE_LIST *st_select_lex::end_nested_join(THD *thd)
{
TABLE_LIST *ptr;
DBUG_ENTER("end_nested_join");
DBUG_ASSERT(embedding);
ptr= embedding;
join_list= ptr->join_list;
embedding= ptr->embedding;
@ -5865,6 +5866,12 @@ TABLE_LIST *st_select_lex::end_nested_join(THD *thd)
join_list->push_front(embedded);
ptr= embedded;
}
else
if (nested_join->join_list.elements == 0)
{
join_list->pop();
DBUG_RETURN(0);
}
DBUG_RETURN(ptr);
}