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-rw-r--r--sql/sql_select.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index c9cb533aa33..33964cb270f 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -23624,7 +23624,8 @@ change_to_use_tmp_fields(THD *thd, Ref_ptr_array ref_pointer_array,
for (uint i= 0; (item= it++); i++)
{
Field *field;
- if (item->with_sum_func && item->type() != Item::SUM_FUNC_ITEM)
+ if ((item->with_sum_func && item->type() != Item::SUM_FUNC_ITEM) ||
+ item->with_window_func)
item_field= item;
else if (item->type() == Item::FIELD_ITEM)
item_field= item->get_tmp_table_item(thd);