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-rw-r--r--sql/item_sum.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index 55bcf868690..9bf786dbbd4 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -372,7 +372,9 @@ bool Item_sum::collect_outer_ref_processor(uchar *param)
{
Collect_deps_prm *prm= (Collect_deps_prm *)param;
SELECT_LEX *ds;
- if ((ds= depended_from()) && ds->nest_level < prm->nest_level)
+ if ((ds= depended_from()) &&
+ ds->nest_level_base == prm->nest_level_base &&
+ ds->nest_level < prm->nest_level)
prm->parameters->add_unique(this, &cmp_items);
return FALSE;
}