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-rw-r--r--sql/item_sum.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/item_sum.h b/sql/item_sum.h
index 8cb09c85623..f68dfee1b61 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -145,11 +145,12 @@ class Item_sum_count_distinct :public Item_sum_int
table_map used_table_cache;
bool fix_fields(THD *thd,TABLE_LIST *tables);
TMP_TABLE_PARAM *tmp_table_param;
+ bool always_null;
public:
Item_sum_count_distinct(List<Item> &list)
:Item_sum_int(list),table(0),used_table_cache(~(table_map) 0),
- tmp_table_param(0)
+ tmp_table_param(0),always_null(0)
{ quick_group=0; }
~Item_sum_count_distinct();
table_map used_tables() const { return used_table_cache; }