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a fix (Bug #3435: STDDEV|VARIANCE(constant) returns constant if no rows)

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ram@gw.mysql.r18.ru 2004-05-05 16:06:01 +05:00
commit 949c01bfa2
3 changed files with 18 additions and 0 deletions
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sql/item_sum.h
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@ -351,6 +351,7 @@ class Item_sum_variance : public Item_sum_num
void update_field();
Item *result_item(Field *field)
{ return new Item_variance_field(this); }
void no_rows_in_result() {}
const char *func_name() const { return "variance"; }
Item *copy_or_same(THD* thd);
};