diff options
Diffstat (limited to 'sql/sql_lex.cc')
| -rw-r--r-- | sql/sql_lex.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index 02652dd095c..ce5f78b84ad 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -3344,7 +3344,7 @@ void st_select_lex_unit::exclude_tree() */ bool st_select_lex::mark_as_dependent(THD *thd, st_select_lex *last, - Item *dependency) + Item_ident *dependency) { DBUG_ASSERT(this != last); @@ -3352,10 +3352,14 @@ bool st_select_lex::mark_as_dependent(THD *thd, st_select_lex *last, /* Mark all selects from resolved to 1 before select where was found table as depended (of select where was found table) + + We move by name resolution context, bacause during merge can some select + be excleded from SELECT tree */ - SELECT_LEX *s= this; + Name_resolution_context *c= &this->context; do { + SELECT_LEX *s= c->select_lex; if (!(s->uncacheable & UNCACHEABLE_DEPENDENT_GENERATED)) { // Select is dependent of outer select @@ -3377,7 +3381,7 @@ bool st_select_lex::mark_as_dependent(THD *thd, st_select_lex *last, if (subquery_expr && subquery_expr->mark_as_dependent(thd, last, dependency)) return TRUE; - } while ((s= s->outer_select()) != last && s != 0); + } while ((c= c->outer_context) != NULL && (c->select_lex != last)); is_correlated= TRUE; master_unit()->item->is_correlated= TRUE; return FALSE; |