diff options
Diffstat (limited to 'sql/opt_range.cc')
-rw-r--r-- | sql/opt_range.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index c7bad3b18f3..349a5d0271c 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -798,7 +798,8 @@ static SEL_TREE *get_mm_tree(PARAM *param,COND *cond) table_map ref_tables=cond->used_tables(); if (cond->type() != Item::FUNC_ITEM) { // Should be a field - if (ref_tables & param->current_table) + if ((ref_tables & param->current_table) || + (ref_tables & ~(param->prev_tables | param->read_tables))) DBUG_RETURN(0); DBUG_RETURN(new SEL_TREE(SEL_TREE::MAYBE)); } |