diff options
author | Olivier Bertrand <bertrandop@gmail.com> | 2014-08-07 19:12:45 +0200 |
---|---|---|
committer | Olivier Bertrand <bertrandop@gmail.com> | 2014-08-07 19:12:45 +0200 |
commit | f835588cc2e32da97269cc58e97ee77b5927498a (patch) | |
tree | 8e5c53593e7e3a9db0892afefb118fd0d581e23a /mysql-test/suite/innodb/t/count_distinct.test | |
parent | 0219ac1e98cc53250a8e165c4b37e83529932256 (diff) | |
parent | b81b6d3f836feb682b963c9489f00ca1ee6a6a95 (diff) | |
download | mariadb-git-f835588cc2e32da97269cc58e97ee77b5927498a.tar.gz |
- Commiting merge files
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 00000000000..94a70260e23 --- /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; |