diff options
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/main/derived_split_innodb.result | 34 | ||||
| -rw-r--r-- | mysql-test/main/derived_split_innodb.test | 26 |
2 files changed, 60 insertions, 0 deletions
diff --git a/mysql-test/main/derived_split_innodb.result b/mysql-test/main/derived_split_innodb.result index b9ed016429b..0b57e72b821 100644 --- a/mysql-test/main/derived_split_innodb.result +++ b/mysql-test/main/derived_split_innodb.result @@ -140,3 +140,37 @@ id select_type table type possible_keys key key_len ref rows Extra 2 DERIVED t2 index NULL PRIMARY 4 NULL 3 drop view v1; drop table t1,t2; +# +# MDEV-23723: Crash when test_if_skip_sort_order() is checked for derived table subject to split +# +CREATE TABLE t1 (a INT, b INT, KEY (a), KEY (a,b)) ENGINE=InnoDB; +CREATE TABLE t2 (c INT, KEY (c)) ENGINE=InnoDB; +SELECT * FROM t1 t1a JOIN t1 t1b; +a b a b +INSERT INTO t2 VALUES (1),(2); +INSERT INTO t1 VALUES (1,2),(3,4),(5,6),(7,8),(9,10),(11,12); +set statement optimizer_switch='split_materialized=off' for EXPLAIN +SELECT * +FROM +t1 JOIN +(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt +WHERE +t1.a = dt.a; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index +1 PRIMARY <derived2> ref key0 key0 5 test.t1.a 2 +2 DERIVED t1 index NULL a_2 10 NULL 6 Using where; Using index +2 DERIVED t2 ref c c 5 test.t1.b 1 Using index +set statement optimizer_switch='split_materialized=on' for EXPLAIN +SELECT * +FROM +t1 JOIN +(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt +WHERE +t1.a = dt.a; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index +1 PRIMARY <derived2> ref key0 key0 5 test.t1.a 2 +2 LATERAL DERIVED t1 ref a,a_2 a 5 test.t1.a 1 Using where; Using temporary; Using filesort +2 LATERAL DERIVED t2 ref c c 5 test.t1.b 1 Using index +DROP TABLE t1, t2; diff --git a/mysql-test/main/derived_split_innodb.test b/mysql-test/main/derived_split_innodb.test index 4f9d2e970f7..19a6ecf216f 100644 --- a/mysql-test/main/derived_split_innodb.test +++ b/mysql-test/main/derived_split_innodb.test @@ -124,3 +124,29 @@ eval set statement optimizer_switch='split_materialized=off' for explain $q; drop view v1; drop table t1,t2; + +--echo # +--echo # MDEV-23723: Crash when test_if_skip_sort_order() is checked for derived table subject to split +--echo # +CREATE TABLE t1 (a INT, b INT, KEY (a), KEY (a,b)) ENGINE=InnoDB; +CREATE TABLE t2 (c INT, KEY (c)) ENGINE=InnoDB; + +SELECT * FROM t1 t1a JOIN t1 t1b; + +INSERT INTO t2 VALUES (1),(2); +INSERT INTO t1 VALUES (1,2),(3,4),(5,6),(7,8),(9,10),(11,12); + +let $query= +EXPLAIN +SELECT * +FROM + t1 JOIN + (SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt +WHERE + t1.a = dt.a; + +eval set statement optimizer_switch='split_materialized=off' for $query; +eval set statement optimizer_switch='split_materialized=on' for $query; + +DROP TABLE t1, t2; + |