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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
| commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
| tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/suite/innodb/t/count_distinct.test | |
| parent | Initial commit. (diff) | |
| download | mariadb-upstream.tar.xz mariadb-upstream.zip | |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/suite/innodb/t/count_distinct.test')
| -rw-r--r-- | mysql-test/suite/innodb/t/count_distinct.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/count_distinct.test b/mysql-test/suite/innodb/t/count_distinct.test new file mode 100644 index 00000000..94a70260 --- /dev/null +++ b/mysql-test/suite/innodb/t/count_distinct.test @@ -0,0 +1,15 @@ +--source include/have_innodb.inc + +# +# MDEV-4925 Wrong result - count(distinct), Using index for group-by (scanning) +# +CREATE TABLE t1 ( + id int NOT NULL AUTO_INCREMENT, + a int NOT NULL, + b int NOT NULL, + PRIMARY KEY (id), + UNIQUE KEY ba (b, a) +) ENGINE=InnoDB; +INSERT INTO t1 (a, b) VALUES(1,101),(1,102),(1,103),(1,104),(1,105),(1,106),(1,107),(1,108),(1,109),(1,110); +SELECT COUNT(DISTINCT b) FROM t1 WHERE a = 1; +DROP TABLE t1; |