1 files changed, 20 insertions, 0 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 1ef74d19172..3424df1eb91 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -437,6 +437,26 @@ bool Item_subselect::mark_as_dependent(THD *thd, st_select_lex *select,
 
 
 /*
+  @brief
+    Update the table bitmaps for the outer references used within a subquery
+*/
+
+bool Item_subselect::update_table_bitmaps_processor(void *arg)
+{
+  List_iterator<Ref_to_outside> it(upper_refs);
+  Ref_to_outside *upper;
+
+  while ((upper= it++))
+  {
+    if (upper->item &&
+        upper->item->walk(&Item::update_table_bitmaps_processor, FALSE, arg))
+      return TRUE;
+  }
+  return FALSE;
+}
+
+
+/*
   Adjust attributes after our parent select has been merged into grandparent
 
   DESCRIPTION