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| author | Sergei Petrunia <psergey@askmonty.org> | 2015-04-08 03:33:48 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2015-04-08 03:33:48 +0300 |
| commit | 2b475b567e93c9a2438a835f2236ec3672e7769c (patch) | |
| tree | 3eeae3d6b9e03f5b8d7e3a85accc17e3579677b3 /mysql-test | |
| parent | 0df8c0aa5ed1a6d3869783a30cbe71521cffa4e4 (diff) | |
| download | mariadb-git-2b475b567e93c9a2438a835f2236ec3672e7769c.tar.gz | |
MDEV-7927: Server crashes in in Time_and_counter_tracker::incr_loops
- JOIN::save_explain_data should also set JOIN::tracker (it already
sets join_tab[0].tracker). This is needed for UNIONs inside subqueries.
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/r/explain_json.result | 12 | ||||
| -rw-r--r-- | mysql-test/t/explain_json.test | 8 |
2 files changed, 20 insertions, 0 deletions
diff --git a/mysql-test/r/explain_json.result b/mysql-test/r/explain_json.result index 61d61323cb6..e1a09b82eff 100644 --- a/mysql-test/r/explain_json.result +++ b/mysql-test/r/explain_json.result @@ -894,3 +894,15 @@ EXPLAIN } } DROP TABLE t1, t2; +# +# MDEV-7927: Server crashes in in Time_and_counter_tracker::incr_loops +# +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +EXPLAIN SELECT * FROM t1 WHERE 3 IN ( SELECT 4 UNION SELECT 5 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used +3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL +DROP TABLE t1; diff --git a/mysql-test/t/explain_json.test b/mysql-test/t/explain_json.test index 7fc1f568cec..4ca16c8c03c 100644 --- a/mysql-test/t/explain_json.test +++ b/mysql-test/t/explain_json.test @@ -200,3 +200,11 @@ INSERT INTO t2 VALUES (3),(4); EXPLAIN FORMAT=JSON SELECT * FROM t1 WHERE a <> ALL ( SELECT b FROM t2 ); DROP TABLE t1, t2; +--echo # +--echo # MDEV-7927: Server crashes in in Time_and_counter_tracker::incr_loops +--echo # +CREATE TABLE t1 (i INT); +INSERT INTO t1 VALUES (1),(2); +EXPLAIN SELECT * FROM t1 WHERE 3 IN ( SELECT 4 UNION SELECT 5 ); +DROP TABLE t1; + |