diff options
Diffstat (limited to 'mysql-test/suite/optimizer_unfixed_bugs/t/bug43249.test')
| -rw-r--r-- | mysql-test/suite/optimizer_unfixed_bugs/t/bug43249.test | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/suite/optimizer_unfixed_bugs/t/bug43249.test b/mysql-test/suite/optimizer_unfixed_bugs/t/bug43249.test new file mode 100644 index 00000000..c647b777 --- /dev/null +++ b/mysql-test/suite/optimizer_unfixed_bugs/t/bug43249.test @@ -0,0 +1,19 @@ +# Test for BUG#43249 "Innodb returns zero time for the time column +# with <=> NULL order by limit" + +--source include/have_debug.inc +--source include/have_innodb.inc + +SET @saved_dbug = @@SESSION.debug_dbug; +set session debug_dbug="+d,optimizer_innodb_icp"; + +CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY +KEY(c1), UNIQUE INDEX(c2)) engine=innodb; +INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01'); +# first time, good results: +SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2; +# second time, bad results: +SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2; + +drop table `t1`; +SET debug_dbug= @saved_dbug; |