diff options
Diffstat (limited to 'sql/opt_range.cc')
| -rw-r--r-- | sql/opt_range.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc index e5799bfd509..ceb9f97bbbc 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -3611,7 +3611,7 @@ get_mm_leaf(PARAM *param, COND *conf_func, Field *field, KEY_PART *key_part, if (!value) // IS NULL or IS NOT NULL { - if (field->table->outer_join) // Can't use a key on this + if (field->table->maybe_null) // Can't use a key on this DBUG_RETURN(0); if (!maybe_null) // Not null field DBUG_RETURN(type == Item_func::ISNULL_FUNC ? &null_element : 0); |