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| author | Sergey Petrunya <psergey@askmonty.org> | 2014-03-14 18:52:16 +0100 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2014-03-14 18:52:16 +0100 |
| commit | 365ba070fe34336e5f2423b5104172bcf6b601ba (patch) | |
| tree | 3d11c1e11ac125da02f46dcfe5c874c1c25684b8 /mysql-test/t/blackhole.test | |
| parent | 43a43b8289f97c9e731d7c2014df801f21d2ce73 (diff) | |
| download | mariadb-git-365ba070fe34336e5f2423b5104172bcf6b601ba.tar.gz | |
MDEV-5814: MySQL Bug#13948247 DIVISION BY 0 IN GET_BEST_DISJUNCT_QUICK WITH FORCE INDEX GROUP BY
- Adopt MySQL's fix: don't run index_merge optimizer if the table statistics
reports that the table has 0 rows.
Diffstat (limited to 'mysql-test/t/blackhole.test')
| -rw-r--r-- | mysql-test/t/blackhole.test | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/t/blackhole.test b/mysql-test/t/blackhole.test index 1451f7606e0..32d7d70200a 100644 --- a/mysql-test/t/blackhole.test +++ b/mysql-test/t/blackhole.test @@ -19,3 +19,12 @@ DROP TABLE t1, t2; --echo End of 5.5 tests +--echo # +--echo # Bug#13948247 DIVISION BY 0 IN GET_BEST_DISJUNCT_QUICK WITH FORCE INDEX GROUP BY +--echo # + +CREATE TABLE t1(a INT, b INT, c INT, KEY(c), UNIQUE(a)) ENGINE = BLACKHOLE; +SELECT 0 FROM t1 FORCE INDEX FOR GROUP BY(a) WHERE a = 0 OR b = 0 AND c = 0; +DROP TABLE t1; + +--echo End of 5.6 tests |