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-rw-r--r--sql/item_subselect.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 79416204972..8925c6d8981 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -487,6 +487,8 @@ void Item_in_subselect::single_value_transformer(THD *thd,
setup_ref_array(thd, &sl->ref_pointer_array,
1 + sl->with_sum_func +
sl->order_list.elements + sl->group_list.elements);
+ // To prevent crash on Item_ref_null_helper destruction in case of error
+ sl->ref_pointer_array[0]= 0;
item= (*func)(expr, new Item_ref_null_helper(this,
sl->ref_pointer_array,
(char *)"<ref>",