diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result index cb2190ef5ac7a75e63ae75e0d3d59b55f47be9a8..d0f546200ddbf56c16b56ff463802616953326d8 100644 --- a/mysql-test/r/subselect4.result +++ b/mysql-test/r/subselect4.result @@ -1815,4 +1815,200 @@ SELECT DISTINCT f4 FROM t1)); f2 f1 drop table t1, t2, t3, t4; +# +# LP BUG#611690 Crash in select_describe() with nested subqueries +# +CREATE TABLE t1 ( +col_int_key int(11) DEFAULT NULL, +col_varchar_key varchar(1) DEFAULT NULL, +col_varchar_nokey varchar(1) DEFAULT NULL, +KEY col_int_key (col_int_key), +KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES (8,'v','v'); +INSERT INTO t1 VALUES (9,'r','r'); +CREATE TABLE t2 ( +col_int_key int(11) DEFAULT NULL, +col_varchar_key varchar(1) DEFAULT NULL, +col_varchar_nokey varchar(1) DEFAULT NULL, +KEY col_int_key (col_int_key), +KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t2 VALUES (2,'w','w'); +INSERT INTO t2 VALUES (9,'m','m'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +col_int_key +set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +3 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +col_int_key +drop table t1, t2; +set @@optimizer_switch = @old_optimizer_switch; +# +# LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements +# +CREATE TABLE t1 ( f1 int(11), f2 varchar(1)); +CREATE TABLE t2 ( f3 varchar(1)); +insert into t1 values (2,'x'), (5,'y'); +insert into t2 values ('x'), ('z'); +CREATE VIEW v2 AS SELECT * FROM t2; +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st1; +f1 f2 f3 +2 x x +5 y x +EXECUTE st1; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st2; +f1 f2 f3 +2 x x +5 y x +EXECUTE st2; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st3; +f1 f2 f3 +2 x x +5 y x +EXECUTE st3; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2; +drop view v2; +# +# LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off +# and prepared statements and materialization +CREATE TABLE t1 ( f1 int(11), f2 int(11)) ; +CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ; +INSERT INTO t2 VALUES ('23','j'),('24','e'); +CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ; +INSERT INTO t3 VALUES ('8','j'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 Using temporary; Using filesort +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found +PREPARE st1 FROM " +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2"; +EXECUTE st1; +f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +23 NULL +EXECUTE st1; +f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +23 NULL +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2, t3; +# +# LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on +# +CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ; +INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d'); +CREATE TABLE t3 ( f3 varchar(1)) ; +INSERT INTO t3 VALUES ('c'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +1 PRIMARY t3 system NULL NULL NULL NULL 1 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +f4 +set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +1 PRIMARY t3 system NULL NULL NULL NULL 1 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +f4 +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2, t3; set optimizer_switch=@subselect4_tmp; diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 1cc3a7314a38c28184796dd0cf948e532ff41dc7..3af8528a10539703ba3231fcec22f525f4423135 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1494,4 +1494,175 @@ WHERE t3.f1 = ( drop table t1, t2, t3, t4; +--echo # +--echo # LP BUG#611690 Crash in select_describe() with nested subqueries +--echo # + +CREATE TABLE t1 ( + col_int_key int(11) DEFAULT NULL, + col_varchar_key varchar(1) DEFAULT NULL, + col_varchar_nokey varchar(1) DEFAULT NULL, + KEY col_int_key (col_int_key), + KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES (8,'v','v'); +INSERT INTO t1 VALUES (9,'r','r'); + +CREATE TABLE t2 ( + col_int_key int(11) DEFAULT NULL, + col_varchar_key varchar(1) DEFAULT NULL, + col_varchar_nokey varchar(1) DEFAULT NULL, + KEY col_int_key (col_int_key), + KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t2 VALUES (2,'w','w'); +INSERT INTO t2 VALUES (9,'m','m'); + +set @old_optimizer_switch = @@optimizer_switch; + +set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key + FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 + ON SUBQUERY2_t2.col_varchar_key + WHERE SUBQUERY2_t2.col_varchar_nokey IN + (SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key + FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 + ON SUBQUERY2_t2.col_varchar_key + WHERE SUBQUERY2_t2.col_varchar_nokey IN + (SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); + +set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key + FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 + ON SUBQUERY2_t2.col_varchar_key + WHERE SUBQUERY2_t2.col_varchar_nokey IN + (SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key + FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 + ON SUBQUERY2_t2.col_varchar_key + WHERE SUBQUERY2_t2.col_varchar_nokey IN + (SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); + +drop table t1, t2; + +set @@optimizer_switch = @old_optimizer_switch; + + +--echo # +--echo # LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements +--echo # + +CREATE TABLE t1 ( f1 int(11), f2 varchar(1)); +CREATE TABLE t2 ( f3 varchar(1)); +insert into t1 values (2,'x'), (5,'y'); +insert into t2 values ('x'), ('z'); +CREATE VIEW v2 AS SELECT * FROM t2; + +set @old_optimizer_switch = @@optimizer_switch; + +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st1; +EXECUTE st1; + +set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st2; +EXECUTE st2; + +set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st3; +EXECUTE st3; + +set @@optimizer_switch = @old_optimizer_switch; + +drop table t1, t2; +drop view v2; + + +--echo # +--echo # LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off +--echo # and prepared statements and materialization + +CREATE TABLE t1 ( f1 int(11), f2 int(11)) ; +CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ; +INSERT INTO t2 VALUES ('23','j'),('24','e'); +CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ; +INSERT INTO t3 VALUES ('8','j'); + +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; + +EXPLAIN +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2; + +PREPARE st1 FROM " +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2"; + +EXECUTE st1; +EXECUTE st1; + +set @@optimizer_switch = @old_optimizer_switch; + +drop table t1, t2, t3; + + +--echo # +--echo # LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on +--echo # + +CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ; +INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d'); +CREATE TABLE t3 ( f3 varchar(1)) ; +INSERT INTO t3 VALUES ('c'); + +set @old_optimizer_switch = @@optimizer_switch; + +set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; + +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; + +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; + +set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; + +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; + +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; + +set @@optimizer_switch = @old_optimizer_switch; + +drop table t1, t2, t3; + set optimizer_switch=@subselect4_tmp;