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-rw-r--r--sql/item.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h
index 326b1a0f867..49762d3326f 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -4832,6 +4832,7 @@ public:
void update_used_tables();
table_map not_null_tables() const;
bool const_item() const { return used_tables() == 0; }
+ TABLE *get_null_ref_table() const { return null_ref_table; }
bool walk(Item_processor processor, bool walk_subquery, void *arg)
{
return (*ref)->walk(processor, walk_subquery, arg) ||