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-rw-r--r--sql/item_subselect.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index fe849bd213a..46b2770a12a 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -1514,7 +1514,7 @@ int subselect_indexsubquery_engine::exec()
uint subselect_single_select_engine::cols()
{
- DBUG_ASSERT(select_lex->join); // should be called after fix_fields()
+ DBUG_ASSERT(select_lex->join != 0); // should be called after fix_fields()
return select_lex->join->fields_list.elements;
}