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merged 5.0-bugteam -> 5.1-bugteam

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This commit is contained in:
Georgi Kodinov
2009-01-16 17:38:38 +02:00
parent 47bd8d19fd bdec5458ae
commit 4d8e73c818
6 changed files with 49 additions and 1 deletions
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7
mysql-test/r/having.result
View File

@ -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

11
mysql-test/t/having.test
View File

@ -432,3 +432,14 @@ select f1 from t1 having max(f1)=f1;
select f1 from t1 group by f1 having max(f1)=f1;
set session sql_mode='';
drop table t1;
#
# Bug #38637: COUNT DISTINCT prevents NULL testing in HAVING clause
#
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;
DROP TABLE t1;
--echo End of 5.0 tests