1 files changed, 5 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index f2c0ee403d2..e163bc40a6e 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -216,6 +216,11 @@ public:
   longlong val_int();
   String *val_str(String *str);
   enum Item_result result_type () const { return cached_result_type; }
+  bool fix_fields(THD *thd,struct st_table_list *tlist)
+  {
+    args[0]->top_level_item();
+    return Item_func::fix_fields(thd,tlist);
+  }
   void fix_length_and_dec();
   const char *func_name() const { return "if"; }
   unsigned int size_of() { return sizeof(*this);}