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authorunknown <mhansson/martin@linux-st28.site>2007-12-14 12:40:39 +0100
committerunknown <mhansson/martin@linux-st28.site>2007-12-14 12:40:39 +0100
commita9e05bf7586b3ab83d93a54e793dacbd8dec5846 (patch)
tree1514881498b2ad7c26d18c70c7e78ab6fc6c365d /mysql-test/t/func_gconcat.test
parent666efa1c43344a0b4dbe815e57333647d4d8f2b3 (diff)
parent0c4b3f5784fa1af52bd978c1280180c2d659367f (diff)
downloadmariadb-git-a9e05bf7586b3ab83d93a54e793dacbd8dec5846.tar.gz
Merge linux-st28.site:/home/martin/mysql/src/bug32798-united/my50-bug32798-united
into linux-st28.site:/home/martin/mysql/src/bug32798-united/my51-bug32798-united mysql-test/r/func_gconcat.result: Auto merged mysql-test/t/func_gconcat.test: Auto merged sql/item_sum.cc: Manual merge, Field::cmp has argument type const uchar* in 5.1 sql/item_sum.h: manual merge
Diffstat (limited to 'mysql-test/t/func_gconcat.test')
-rw-r--r--mysql-test/t/func_gconcat.test43
1 files changed, 43 insertions, 0 deletions
diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test
index 6f9b5399b7b..ed770e28f73 100644
--- a/mysql-test/t/func_gconcat.test
+++ b/mysql-test/t/func_gconcat.test
@@ -562,4 +562,47 @@ insert into t1 (id, name) values (2, "óra");
select b.id, group_concat(b.name) from t1 a, t1 b group by b.id;
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