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This commit is contained in:
Georgi Kodinov 2009-01-16 16:48:41 +02:00
commit bdec5458ae
6 changed files with 49 additions and 1 deletions
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7
mysql-test/r/having.result
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@ -424,3 +424,10 @@ select f1 from t1 group by f1 having max(f1)=f1;
f1
set session sql_mode='';
drop table t1;
CREATE TABLE t1 ( a INT, b INT);
INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL);
SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
b COUNT(DISTINCT a)
NULL 1
DROP TABLE t1;
End of 5.0 tests