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Merge mhansson@bk-internal:/home/bk/mysql-5.1-opt

into  linux-st28.site:/home/martin/mysql/src/bug32798-united/my51-bug32798-united-push
This commit is contained in:
mhansson/martin@linux-st28.site
2007-12-15 11:54:02 +01:00
4 changed files with 202 additions and 85 deletions

View File

@@ -598,5 +598,46 @@ insert into t1 values (''),('');
select group_concat(distinct f1) from t1;
select group_concat(f1) from t1;
drop table t1;
# Bug#32798: DISTINCT in GROUP_CONCAT clause fails when ordering by a column
# with null values
#'
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 VALUES (1, 1), (2, 2), (2, 3);
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a ORDER BY b DESC) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY 3 - b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a + 1 ORDER BY b) FROM t1;
SELECT GROUP_CONCAT(a ORDER BY 3 - b) FROM t1;
CREATE TABLE t2 (a INT, b INT, c INT, d INT);
# There is one duplicate in the expression list: 1,10
# There is one duplicate in ORDER BY list, but that shouldnt matter: 1,10
INSERT INTO t2 VALUES (1,1, 1,1), (1,1, 2,2), (1,2, 2,1), (2,1, 1,2);
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, d) FROM t2;
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY d, c) FROM t2;
CREATE TABLE t3 (a INT, b INT, c INT);
INSERT INTO t3 VALUES (1, 1, 1), (2, 1, 2), (3, 2, 1);
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, c) FROM t3;
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY c, b) FROM t3;
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a, b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY b, a) FROM t1;
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY a, b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a ORDER BY a, b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT b ORDER BY b, a) FROM t1;
SELECT GROUP_CONCAT(DISTINCT a, b ORDER BY a) FROM t1;
SELECT GROUP_CONCAT(DISTINCT b, a ORDER BY b) FROM t1;
DROP TABLE t1, t2, t3;
--echo End of 5.0 tests