summaryrefslogtreecommitdiff
path: root/mysql-test/r/distinct.result
diff options
context:
space:
mode:
Diffstat (limited to 'mysql-test/r/distinct.result')
-rw-r--r--mysql-test/r/distinct.result23
1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/r/distinct.result b/mysql-test/r/distinct.result
index b2a9eb04c04..15e4c3f15b3 100644
--- a/mysql-test/r/distinct.result
+++ b/mysql-test/r/distinct.result
@@ -682,3 +682,26 @@ a a b
1 1 3
DROP TABLE t1;
End of 5.0 tests
+CREATE TABLE t1(a INT, b INT, c INT, d INT, e INT,
+PRIMARY KEY(a,b,c,d,e),
+KEY(a,b,d,c)
+);
+INSERT INTO t1(a, b, c) VALUES (1, 1, 1),
+(1, 1, 2),
+(1, 1, 3),
+(1, 2, 1),
+(1, 2, 2),
+(1, 2, 3);
+EXPLAIN SELECT DISTINCT a, b, d, c FROM t1;
+id select_type table type possible_keys key key_len ref rows Extra
+1 SIMPLE t1 index NULL a 16 NULL 6 Using index
+SELECT DISTINCT a, b, d, c FROM t1;
+a b d c
+1 1 0 1
+1 1 0 2
+1 1 0 3
+1 2 0 1
+1 2 0 2
+1 2 0 3
+DROP TABLE t1;
+End of 5.1 tests