diff options
Diffstat (limited to 'mysql-test')
-rw-r--r-- | mysql-test/r/subselect4.result | 81 | ||||
-rw-r--r-- | mysql-test/t/subselect4.test | 44 |
2 files changed, 125 insertions, 0 deletions
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result index 8385ee6f4c0..952717c5c37 100644 --- a/mysql-test/r/subselect4.result +++ b/mysql-test/r/subselect4.result @@ -197,5 +197,86 @@ default(a) aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa DROP TABLE t; # +# LP BUG#1009187, MDEV-373, MYSQL bug#58628 +# Wrong result for a query with [NOT] IN subquery predicate if +# the left part of the predicate is explicit NULL +# +CREATE TABLE t1 (pk INT NOT NULL, i INT NOT NULL); +INSERT INTO t1 VALUES (0,10), (1,20), (2,30), (3,40); +CREATE TABLE t2a (pk INT NOT NULL, i INT NOT NULL, PRIMARY KEY(i,pk)); +INSERT INTO t2a VALUES (0,0), (1,1), (2,2), (3,3); +CREATE TABLE t2b (pk INT, i INT); +INSERT INTO t2b VALUES (0,0), (1,1), (2,2), (3,3); +CREATE TABLE t2c (pk INT NOT NULL, i INT NOT NULL); +INSERT INTO t2c VALUES (0,0), (1,1), (2,2), (3,3); +create index it2c on t2c (i,pk); +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where +2 DEPENDENT SUBQUERY t2a unique_subquery PRIMARY PRIMARY 8 const,test.t1.pk 1 Using index; Using where; Full scan on NULL key +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +pk i +SELECT * FROM t1 WHERE 1+NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +pk i +SELECT * FROM t1 WHERE NULL IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk) IS UNKNOWN; +pk i +0 10 +1 20 +2 30 +3 40 +SELECT t1.pk, NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk) FROM t1; +pk NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk) +0 NULL +1 NULL +2 NULL +3 NULL +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where +2 DEPENDENT SUBQUERY t2b ALL NULL NULL NULL NULL 4 Using where +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk); +pk i +SELECT * FROM t1 WHERE NULL IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk) IS UNKNOWN; +pk i +0 10 +1 20 +2 30 +3 40 +SELECT t1.pk, NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk) FROM t1; +pk NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk) +0 NULL +1 NULL +2 NULL +3 NULL +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where +2 DEPENDENT SUBQUERY t2c index_subquery it2c it2c 8 const,test.t1.pk 2 Using index; Using where; Full scan on NULL key +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk); +pk i +SELECT * FROM t1 WHERE NULL IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk) IS UNKNOWN; +pk i +0 10 +1 20 +2 30 +3 40 +SELECT t1.pk, NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk) FROM t1; +pk NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk) +0 NULL +1 NULL +2 NULL +3 NULL +EXPLAIN +SELECT * FROM t1 WHERE (NULL, 1) NOT IN (SELECT t2a.i, t2a.pk FROM t2a WHERE t2a.pk = t1.pk); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where +2 DEPENDENT SUBQUERY t2a eq_ref PRIMARY PRIMARY 8 const,test.t1.pk 2 Using where; Using index; Full scan on NULL key +SELECT * FROM t1 WHERE (NULL, 1) NOT IN (SELECT t2a.i, t2a.pk FROM t2a WHERE t2a.pk = t1.pk); +pk i +drop table t1, t2a, t2b, t2c; +# # End of 5.1 tests. # diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index bb97f246488..3de2dfc394e 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -171,5 +171,49 @@ SELECT * FROM (SELECT default(a) FROM t GROUP BY a) d; DROP TABLE t; --echo # +--echo # LP BUG#1009187, MDEV-373, MYSQL bug#58628 +--echo # Wrong result for a query with [NOT] IN subquery predicate if +--echo # the left part of the predicate is explicit NULL +--echo # + +CREATE TABLE t1 (pk INT NOT NULL, i INT NOT NULL); +INSERT INTO t1 VALUES (0,10), (1,20), (2,30), (3,40); + +CREATE TABLE t2a (pk INT NOT NULL, i INT NOT NULL, PRIMARY KEY(i,pk)); +INSERT INTO t2a VALUES (0,0), (1,1), (2,2), (3,3); + +CREATE TABLE t2b (pk INT, i INT); +INSERT INTO t2b VALUES (0,0), (1,1), (2,2), (3,3); + +CREATE TABLE t2c (pk INT NOT NULL, i INT NOT NULL); +INSERT INTO t2c VALUES (0,0), (1,1), (2,2), (3,3); +create index it2c on t2c (i,pk); + +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +SELECT * FROM t1 WHERE 1+NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk); +SELECT * FROM t1 WHERE NULL IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk) IS UNKNOWN; +SELECT t1.pk, NULL NOT IN (SELECT t2a.i FROM t2a WHERE t2a.pk = t1.pk) FROM t1; + +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk); +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk); +SELECT * FROM t1 WHERE NULL IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk) IS UNKNOWN; +SELECT t1.pk, NULL NOT IN (SELECT t2b.i FROM t2b WHERE t2b.pk = t1.pk) FROM t1; + +EXPLAIN +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk); +SELECT * FROM t1 WHERE NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk); +SELECT * FROM t1 WHERE NULL IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk) IS UNKNOWN; +SELECT t1.pk, NULL NOT IN (SELECT t2c.i FROM t2c WHERE t2c.pk = t1.pk) FROM t1; + +EXPLAIN +SELECT * FROM t1 WHERE (NULL, 1) NOT IN (SELECT t2a.i, t2a.pk FROM t2a WHERE t2a.pk = t1.pk); +SELECT * FROM t1 WHERE (NULL, 1) NOT IN (SELECT t2a.i, t2a.pk FROM t2a WHERE t2a.pk = t1.pk); + +drop table t1, t2a, t2b, t2c; + +--echo # --echo # End of 5.1 tests. --echo # |