Test main.subquery_sj_mat_bka_nixbnl is unstable

[Laurynas Biveinis]

On 5.6 trunk:

main.subquery_sj_mat_bka_nixbnl w4 [ fail ]
        Test ended at 2017-03-05 08:39:09

CURRENT_TEST: main.subquery_sj_mat_bka_nixbnl
--- /mnt/workspace/percona-server-5.6-trunk/BUILD_TYPE/debug/Host/ubuntu-precise-64bit/mysql-test/r/subquery_sj_mat_bka_nixbnl.result 2017-02-21 15:07:16.015863805 +0300
+++ /mnt/workspace/percona-server-5.6-trunk/BUILD_TYPE/debug/Host/ubuntu-precise-64bit/build/mysql-test/var/4/log/subquery_sj_mat_bka_nixbnl.reject 2017-03-05 16:39:09.358700612 +0300
@@ -7737,7 +7737,7 @@
 FROM t2)
 ORDER BY col_datetime_key LIMIT 4;
 id select_type table type possible_keys key key_len ref rows Extra
-1 SIMPLE t1 ALL col_varchar_key NULL NULL NULL 20 Using where; Using filesort
+1 SIMPLE t1 index col_varchar_key col_datetime_key 5 NULL 4 Using where
 1 SIMPLE <subquery2> eq_ref <auto_key> <auto_key> 3 test.t1.col_varchar_key 1 NULL
 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 NULL
 SELECT col_varchar_key

mysqltest: Result content mismatch

safe_process[22999]: Child process: 23000, exit: 1

Server [mysqld.1 - pid: 20409, winpid: 20409] log:
Server log from this test:
----------SERVER LOG START-----------
----------SERVER LOG END-------------

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-2241