diff options
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 18b48c33f5b..2d482290909 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -5906,7 +5906,7 @@ eq_ref_table(JOIN *join, ORDER *start_order, JOIN_TAB *tab) tab->cached_eq_ref_table=1; if (tab->type == JT_CONST) // We can skip const tables return (tab->eq_ref_table=1); /* purecov: inspected */ - if (tab->type != JT_EQ_REF) + if (tab->type != JT_EQ_REF || tab->table->maybe_null) return (tab->eq_ref_table=0); // We must use this Item **ref_item=tab->ref.items; Item **end=ref_item+tab->ref.key_parts; |