diff options
Diffstat (limited to 'mysql-test/t/subselect4.test')
| -rw-r--r-- | mysql-test/t/subselect4.test | 1127 |
1 files changed, 1122 insertions, 5 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index c480fc9b0d2..1e8dd73fec6 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1,5 +1,13 @@ # General purpose bug fix tests go here : subselect.test too large +--disable_warnings +drop table if exists t1,t2,t3,t4,t5,t6; +drop view if exists v1, v2; +--enable_warnings + +set @subselect4_tmp= @@optimizer_switch; +set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on'; +set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; --echo # --echo # Bug #46791: Assertion failed:(table->key_read==0),function unknown @@ -216,11 +224,9 @@ CREATE TABLE `t1` ( INSERT INTO `t1` VALUES (10,'00:00:00','i','i'),(11,'00:00:00','',''); set @old_optimizer_switch = @@session.optimizer_switch, - @old_optimizer_use_mrr = @@session.optimizer_use_mrr, @old_engine_condition_pushdown = @@session.engine_condition_pushdown; -SET SESSION OPTIMIZER_SWITCH = 'materialization=off,semijoin=off,loosescan=off,firstmatch=off'; -SET SESSION optimizer_use_mrr = 'force'; +SET SESSION OPTIMIZER_SWITCH = 'materialization=off,semijoin=off,loosescan=off,firstmatch=off,mrr=on'; SET SESSION engine_condition_pushdown = 1; SELECT `time_nokey` G1 FROM t1 WHERE ( `varchar_nokey` , `varchar_key` ) IN ( @@ -228,7 +234,6 @@ SELECT `varchar_nokey` , `varchar_nokey` ) AND `varchar_key` >= 'c' HAVING G BY `pk` ; set @@session.optimizer_switch = @old_optimizer_switch, - @@session.optimizer_use_mrr = @old_optimizer_use_mrr, @@session.engine_condition_pushdown = @old_engine_condition_pushdown; DROP TABLE t1; @@ -318,7 +323,7 @@ INSERT INTO t3 VALUES ('E4','P5',80); SET @old_optimizer_switch = @@session.optimizer_switch; SET @old_join_cache_level = @@session.join_cache_level; -SET SESSION optimizer_switch = 'firstmatch=on,loosescan=on,materialization=on,semijoin=on'; +SET SESSION optimizer_switch = 'firstmatch=on,loosescan=on,materialization=on,in_to_exists=off,semijoin=on'; SET SESSION join_cache_level = 1; CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM); @@ -476,3 +481,1115 @@ WHERE ( 1, 2 ) IN ( SELECT SUBQUERY1_t1.pk AS SUBQUERY1_field1, drop table t1; +--echo # +--echo # BUG#716293: "Range checked for each record" is not used if condition refers to outside of subquery +--echo # + +create table t1 (a int); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t2 (a int, b int, `filler` char(200), key(a), key (b)); +insert into t2 + select A.a + 10*B.a + 100 * C.a, A.a + 10*B.a + 100 * C.a, 'filler' from t1 A, t1 B, t1 C; + +--echo # The following must use "Range checked for each record" for table B +explain +select a, + (select sum(X.a+B.b) from t1 X, t2 B where B.a=A.a or B.b=A.a) +from t1 A; +drop table t1, t2; + + +--echo # +--echo # BUG#723822: Crash in get_constant_key_infix with EXISTS ( SELECT .. DISTINCT ) +--echo # +CREATE TABLE t1 ( f1 int(11), f3 varchar(1)) ; +INSERT INTO t1 VALUES ('8','c'),('5','f'); + +ALTER TABLE t1 ADD KEY (f3,f1); + +CREATE TABLE t2 ( f4 varchar(1)) ; +INSERT INTO t2 VALUES ('f'),('d'); + +SELECT * FROM t2 +WHERE EXISTS ( + SELECT DISTINCT f3 + FROM t1 + WHERE f3 <= t2.f4 +); + +drop table t1,t2; + +--echo # +--echo # LP BUG#718763 Second crash in select_describe() and materialization +--echo # + +CREATE TABLE t1 ( f1 int(11), f3 int(11), f10 varchar(1), KEY (f3)) ; +INSERT INTO t1 VALUES ('28','6','m'),('29','4','c'); + +CREATE TABLE t2 (f11 varchar(1)) ; +INSERT INTO t2 VALUES ('f'),('d'); + +SET @old_optimizer_switch = @@session.optimizer_switch; +SET SESSION optimizer_switch = 'materialization=on,in_to_exists=off'; + +EXPLAIN +SELECT * FROM t1 +WHERE f3 = ( + SELECT t1.f3 FROM t1 + WHERE ( t1.f10 ) IN ( SELECT f11 FROM t2 GROUP BY f11 )); +SELECT * FROM t1 +WHERE f3 = ( + SELECT t1.f3 FROM t1 + WHERE ( t1.f10 ) IN ( SELECT f11 FROM t2 GROUP BY f11 )); + +EXPLAIN +SELECT * FROM t1 +WHERE f3 = ( + SELECT f3 FROM t1 + WHERE ( f10, f10 ) IN ( SELECT f11, f11 FROM t2 GROUP BY f11 )); +SELECT * FROM t1 +WHERE f3 = ( + SELECT f3 FROM t1 + WHERE ( f10, f10 ) IN ( SELECT f11, f11 FROM t2 GROUP BY f11 )); + +SET SESSION optimizer_switch = @old_optimizer_switch; +drop table t1,t2; + +--echo # +--echo # LP BUG#715738: Wrong result with implicit grouping and empty result set +--echo # + +CREATE TABLE t1 (f1 int, f2 int); +CREATE TABLE t2 (f3 int, f4 int not null, PRIMARY KEY (f3)); + +set @save_optimizer_switch=@@optimizer_switch; + +SET @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); + + +SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; + + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); + + +INSERT INTO t1 VALUES (1, 2); +INSERT INTO t1 VALUES (3, 4); +INSERT INTO t2 VALUES (5, 6); +INSERT INTO t2 VALUES (7, 8); + +SET @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); + +SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; + +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t1,t2; + +--echo # +--echo # LP BUG#613029 Wrong result with materialization and semijoin, and +--echo # valgrind warnings in Protocol::net_store_data with materialization +--echo # for implicit grouping +--echo # + +CREATE TABLE t1 ( + pk int(11) NOT NULL AUTO_INCREMENT, + f2 int(11) NOT NULL, + f3 varchar(1) NOT NULL, + PRIMARY KEY (pk), + KEY f2 (f2)); + +INSERT INTO t1 VALUES (1,9,'x'); +INSERT INTO t1 VALUES (2,5,'g'); + +CREATE TABLE t2 ( + pk int(11) NOT NULL AUTO_INCREMENT, + f2 int(11) NOT NULL, + f3 varchar(1) NOT NULL, + PRIMARY KEY (pk), + KEY f2 (f2)); + +INSERT INTO t2 VALUES (1,7,'p'); + +set @save_optimizer_switch=@@optimizer_switch; + +set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off'; + +EXPLAIN +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); + +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); + +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; + +EXPLAIN +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); + +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); + +-- echo TODO: add a test case for semijoin when the wrong result is fixed +-- echo set @@optimizer_switch='materialization=off,semijoin=on'; + + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t1, t2; + + +--echo # +--echo # LP BUG#777691 Wrong result with subqery in select list and subquery cache=off in maria-5.3 +--echo # + +CREATE TABLE t1 ( f1 varchar(32)) ; +INSERT INTO t1 VALUES ('b'),('x'),('c'),('x'); + +CREATE TABLE t2 ( f2 int, f3 varchar(32)) ; +INSERT INTO t2 VALUES (1,'x'); + +set @save_optimizer_switch=@@optimizer_switch; +set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off'; + +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; + +set @@optimizer_switch='materialization=on,in_to_exists=off,subquery_cache=off'; +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; + +set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off'; +--echo Even when t2 is not constant table, the result must be the same. +INSERT INTO t2 VALUES (2,'y'); +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t1, t2; + +--echo # +--echo # LP BUG#641203 Query returns rows where no result is expected (impossible WHERE) +--echo # + +CREATE TABLE t1 (c1 varchar(1) DEFAULT NULL); +CREATE TABLE t2 (c1 varchar(1) DEFAULT NULL); +INSERT INTO t2 VALUES ('k'), ('d'); +CREATE TABLE t3 (c1 varchar(1) DEFAULT NULL); +INSERT INTO t3 VALUES ('a'), ('b'), ('c'); +CREATE TABLE t4 (c1 varchar(1) primary key); +INSERT INTO t4 VALUES ('k'), ('d'); + +EXPLAIN +SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +EXPLAIN +SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +EXPLAIN +SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2); +SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2); +EXPLAIN +SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); +SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); +drop table t1, t2, t3, t4; + +--echo # +--echo # LP BUG#675981 Assertion `cache != __null' failed in sub_select_cache() +--echo # on EXPLAIN +--echo # + +CREATE TABLE t1 (f1 int,f2 int) ; +INSERT IGNORE INTO t1 VALUES ('2','5'),('2',NULL); + +CREATE TABLE t2 (f1 int, f5 int) ; +INSERT IGNORE INTO t2 VALUES (1,0); + +CREATE TABLE t3 (f4 int) ; +INSERT IGNORE INTO t3 VALUES (0),(0); + +set @@optimizer_switch='in_to_exists=on,materialization=off,semijoin=off'; +EXPLAIN +SELECT * FROM t2 +WHERE f1 IN (SELECT t1.f2 FROM t1 JOIN t3 ON t3.f4); + +drop table t1, t2, t3; + +--echo # +--echo # LP BUG#680005 Second assertion `cache != __null' failed in +--echo # sub_select_cache() on EXPLAIN +--echo # + +CREATE TABLE t1 (f1 int,f2 int,f4 int,f6 int,KEY (f4)) ; +INSERT IGNORE INTO t1 VALUES +('1','5','1','0'),('2','1','1','0'),('2','2','2','0'),('0',NULL,'0','0'), +('2','1','2','0'),('2','0','0','0'),('2','2','2','0'),('2','8','2','0'), +('2','7','2','0'),('2','5','2','0'),('2',NULL,'1','0'); + +CREATE TABLE t2 (f3 int) ; +INSERT IGNORE INTO t2 VALUES ('7'); + +CREATE TABLE t3 (f3 int) ; +INSERT IGNORE INTO t3 VALUES ('2'); + +EXPLAIN +SELECT t1.f4 +FROM t2 JOIN t1 ON t1.f6 +WHERE +( t1.f2 ) IN (SELECT SUBQUERY2_t1.f3 + FROM t3 AS SUBQUERY2_t1 + JOIN + (t1 AS SUBQUERY2_t2 + JOIN + t1 AS SUBQUERY2_t3 ON SUBQUERY2_t3.f1) + ON SUBQUERY2_t3.f2) +GROUP BY t1.f4 ORDER BY t1.f1 LIMIT 10; + +drop table t1, t2, t3; + +--echo # +--echo # LP BUG#680038 bool close_thread_table(THD*, TABLE**): +--echo # Assertion `table->key_read == 0' failed in EXPLAIN +--echo # + +CREATE TABLE t1 (f1 int,f3 int,f4 int) ; +INSERT IGNORE INTO t1 VALUES (NULL,1,0); + +CREATE TABLE t2 (f2 int,f4 int,f5 int) ; +INSERT IGNORE INTO t2 VALUES (8,0,0),(5,0,0); + +CREATE TABLE t3 (f4 int,KEY (f4)) ; +INSERT IGNORE INTO t3 VALUES (0),(0); + +set @@optimizer_switch='semijoin=off'; + +EXPLAIN +SELECT * FROM t1 WHERE +(SELECT f2 FROM t2 + WHERE f4 <= ALL + (SELECT SQ1_t1.f4 + FROM t3 AS SQ1_t1 JOIN t3 AS SQ1_t3 ON SQ1_t3.f4 + GROUP BY SQ1_t1.f4)); + +drop table t1, t2, t3; + +--echo # +--echo # BUG#52317: Assertion failing in Field_varstring::store() +--echo # at field.cc:6833 +--echo # + +CREATE TABLE t1 (i INTEGER); +INSERT INTO t1 VALUES (1); +CREATE TABLE t2 (i INTEGER, KEY k(i)); +INSERT INTO t2 VALUES (1), (2); + +EXPLAIN +SELECT i FROM t1 WHERE (1) NOT IN (SELECT i FROM t2); + +DROP TABLE t2; +DROP TABLE t1; + +--echo # +--echo # LP BUG#680846: Crash in clear_tables() with subqueries +--echo # + +CREATE TABLE t1 (f3 int) ; +INSERT IGNORE INTO t1 VALUES (0),(0); + +CREATE TABLE t2 (f1 int,f3 int,f4 varchar(32)) ; +INSERT IGNORE INTO t2 VALUES (1,0,'f'); + +EXPLAIN +SELECT COUNT(t2.f3), + (SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; + +SELECT COUNT(t2.f3), + (SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; + +EXPLAIN +SELECT COUNT(t2.f3), + (SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; + +SELECT COUNT(t2.f3), + (SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; + +# these queries are like the ones above, but without the ON clause, +# resulting in a different crash (failed assert) +EXPLAIN +SELECT COUNT(t2.f3), + (SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; + +SELECT COUNT(t2.f3), + (SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; + +EXPLAIN +SELECT COUNT(t2.f3), + (SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; + +SELECT COUNT(t2.f3), + (SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; + +drop table t1,t2; + +--echo # +--echo # LP BUG#682683 Crash in create_tmp_table called from +--echo # JOIN::init_execution +--echo # + +CREATE TABLE t2 (f1 int) ; +INSERT INTO t2 VALUES (1),(2); + +CREATE TABLE t1 (f1 int) ; + +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; + +INSERT INTO t1 VALUES (1),(2); + +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +--error ER_SUBQUERY_NO_1_ROW +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +--error ER_SUBQUERY_NO_1_ROW +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; + +drop table t1,t2; + +--echo # +--echo # LP BUG#680943 Assertion `!table || (!table->read_set || +--echo # bitmap_is_set(table->read_set, field_index))' failed with subquery +--echo # + +CREATE TABLE t1 (f1 int,f3 int) ; +INSERT IGNORE INTO t1 VALUES ('6','0'),('4','0'); + +CREATE TABLE t2 (f1 int,f2 int,f3 int) ; +INSERT IGNORE INTO t2 VALUES ('6','0','0'),('2','0','0'); + +SELECT f2 +FROM (SELECT * FROM t2) AS alias1 +WHERE (SELECT SQ2_t2.f1 + FROM t1 JOIN t1 AS SQ2_t2 ON SQ2_t2.f3 + WHERE SQ2_t2.f3 AND alias1.f1) +ORDER BY f3 ; + +drop table t1,t2; + +--echo # +--echo # LP BUG#715062: Wrong result with VIEW + UNION + subquery in maria-5.3-mwl89 +--echo # + +create table t1 (f1 int); +create table t2 (f2 int); +create table t3 (f3 int); +insert into t1 values (2); +insert into t2 values (2); +insert into t3 values (7); + +CREATE VIEW v1 AS SELECT 2 UNION SELECT 2 ; +CREATE VIEW v2 AS SELECT * from t1 UNION SELECT * from t2 ; + +set @save_optimizer_switch=@@optimizer_switch; +SET @@optimizer_switch = 'in_to_exists=off,semijoin=off,materialization=on'; + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +SELECT ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +SELECT ( 5 ) IN ( SELECT * FROM v2 ); + +SET @@optimizer_switch = 'in_to_exists=on,semijoin=off,materialization=off'; + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +SELECT ( 5 ) IN ( SELECT * FROM v1 ); + +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); + +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +SELECT ( 5 ) IN ( SELECT * FROM v2 ); + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t1,t2,t3; +drop view v1,v2; + +--echo # +--echo # LP BUG#715069 Wrong result with GROUP BY inside subquery and materialization=off +--echo # + +CREATE TABLE t0 ( f1 int(11), f2 int(11), f10 varchar(1), PRIMARY KEY (f1)) ; +INSERT INTO t0 VALUES (8,8,'u'),(10,5,'o'); + +CREATE TABLE t1 (f1a int, f2a int not null, f3a varchar(3) not null, PRIMARY KEY (f1a)) ; +INSERT INTO t1 VALUES +(8,8,'a1a'), +(10,5,'b1b'); + +CREATE TABLE t2 (f1b int, f2b int not null, f3b varchar(3) not null, PRIMARY KEY (f1b)) ; +INSERT INTO t2 VALUES +(10,5,'d1d'); + +set @save_optimizer_switch=@@optimizer_switch; +set @@optimizer_switch = 'materialization=off'; + +EXPLAIN +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT f2 , f1 FROM t0 GROUP BY f2 , f1 ); + +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT f2 , f1 FROM t0 GROUP BY f2 , f1 ); + +EXPLAIN +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT f1a, f2a FROM t1 GROUP BY f1a, f2a); +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT f1a, f2a FROM t1 GROUP BY f1a, f2a); + +EXPLAIN +SELECT * FROM t2 WHERE (f1b) IN (SELECT f1a FROM t1 GROUP BY f1a, f2a); +SELECT * FROM t2 WHERE (f1b) IN (SELECT f1a FROM t1 GROUP BY f1a, f2a); + +SET @@optimizer_switch = 'materialization=on'; + +EXPLAIN +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT f2 , f1 FROM t0 GROUP BY f2 , f1 ); + +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT f2 , f1 FROM t0 GROUP BY f2 , f1 ); + +EXPLAIN +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT f1a, f2a FROM t1 GROUP BY f1a, f2a); +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT f1a, f2a FROM t1 GROUP BY f1a, f2a); + +EXPLAIN +SELECT * FROM t2 WHERE (f1b) IN (SELECT f1a FROM t1 GROUP BY f1a, f2a); +SELECT * FROM t2 WHERE (f1b) IN (SELECT f1a FROM t1 GROUP BY f1a, f2a); + +set @@optimizer_switch=@save_optimizer_switch; + +drop table t0,t1,t2; + + +--echo # +--echo # LP BUG#715759 Wrong result with in_to_exists=on in maria-5.3-mwl89 +--echo # + +set @save_optimizer_switch=@@optimizer_switch; +CREATE TABLE t1 (a1 int, a2 int) ; +INSERT INTO t1 VALUES (1, 2); +INSERT INTO t1 VALUES (3, 4); + +CREATE TABLE t2 (b1 int, b2 int) ; +INSERT INTO t2 VALUES (1, 2); + +SET @@optimizer_switch = 'in_to_exists=on,materialization=off,semijoin=off'; + +EXPLAIN SELECT * FROM t1 WHERE a1 IN (SELECT b1 FROM t2 WHERE b1 = b2); +SELECT * FROM t1 WHERE a1 IN (SELECT b1 FROM t2 WHERE b1 = b2); + +set @@optimizer_switch=@save_optimizer_switch; +drop table t1, t2; + +--echo # +--echo # LP BUG#772309 join_tab_cmp_straight(): Assertion `!jt2->emb_sj_nest' failed in maria-5.3-mwl89 with semijoin +--echo # + +CREATE TABLE t1 ( f2 int) ; +INSERT INTO t1 VALUES (0),(0); + +CREATE TABLE t2 ( f1 int NOT NULL ) ; +INSERT INTO t2 VALUES (0),(0); + +CREATE TABLE t3 ( f1 int NOT NULL , f2 int) ; +INSERT INTO t3 VALUES (0,0), (0,0); + +EXPLAIN SELECT STRAIGHT_JOIN ( + SELECT f2 FROM t1 WHERE ( f2 ) IN ( SELECT t3.f2 FROM t3 JOIN t2 ON t2.f1 = 1 ) +); +SELECT STRAIGHT_JOIN ( + SELECT f2 FROM t1 WHERE ( f2 ) IN ( SELECT t3.f2 FROM t3 JOIN t2 ON t2.f1 = 1 ) +); + +drop table t1, t2, t3; + + +--echo # +--echo # LP BUG#777597 Wrong result with multipart keys, in_to_exists=on, NOT IN in MWL#89 +--echo # + +CREATE TABLE t1 ( f4 int); +INSERT IGNORE INTO t1 VALUES (2),(2); + +CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3) ); +INSERT IGNORE INTO t2 VALUES (6, 1), (6, 1); + +CREATE TABLE t3 ( f10 int ); +INSERT IGNORE INTO t3 VALUES (1); + +SET SESSION optimizer_switch='in_to_exists=on,materialization=off'; + +EXPLAIN +SELECT * FROM t1 WHERE ( 6 ) NOT IN ( SELECT t2.f3 FROM t2 JOIN t3 ON t3.f10 = t2.f10); +SELECT * FROM t1 WHERE ( 6 ) NOT IN ( SELECT t2.f3 FROM t2 JOIN t3 ON t3.f10 = t2.f10); + +drop table t1,t2,t3; + + +--echo # +--echo # LP BUG#778413 Third crash in select_describe() in maria-5.3-mwl89 +--echo # + +CREATE TABLE t1 ( f11 int) ; +INSERT INTO t1 VALUES (1),(1); + +CREATE TABLE t2 ( f1 int NOT NULL) ; +INSERT INTO t2 VALUES (20); + +CREATE TABLE t3 (f3 int) ; +INSERT INTO t3 VALUES (2),(2); + +EXPLAIN SELECT * FROM t2 +WHERE t2.f1 = ( + SELECT MAX( f3 ) FROM t3 + WHERE EXISTS ( + SELECT DISTINCT f11 + FROM t1)); + +drop table t1, t2, t3; + +--echo # +--echo # LP BUG#802979 Assertion `table->key_read == 0' in close_thread_table +--echo # + +CREATE TABLE t1 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t1 VALUES (1,0),(5,0); +CREATE TABLE t2 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t2 VALUES (1,0),(5,0); +CREATE TABLE t3 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t3 VALUES (1,0),(5,0); +CREATE TABLE t4 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t4 VALUES (1,0),(5,0); + +EXPLAIN +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 + WHERE EXISTS (SELECT DISTINCT f1 FROM t4)) + AND t2.f2 = t1.f1; + +-- error ER_SUBQUERY_NO_1_ROW +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 + WHERE EXISTS (SELECT DISTINCT f1 FROM t4)) + AND t2.f2 = t1.f1; + +EXPLAIN +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 + WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1) + AND t2.f2 = t1.f1; + +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 + WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1) + AND t2.f2 = t1.f1; + +drop table t1,t2,t3,t4; + +--echo # +--echo # LP BUG#806943 Second crash with select_describe with nested subqueries in maria-5.3 +--echo # + +CREATE TABLE t1 ( f4 int) ; +INSERT INTO t1 VALUES (0),(0); + +CREATE TABLE t2 ( f2 int) ; + +CREATE TABLE t3 ( f1 int NOT NULL ); + +CREATE TABLE t4 ( f2 int, f3 int) ; +INSERT INTO t4 VALUES (8,0),(3,0); + +EXPLAIN SELECT * +FROM t2, t3 +WHERE t3.f1 = ( + SELECT SUM( f2 ) + FROM t4 + WHERE EXISTS ( + SELECT DISTINCT f4 + FROM t1)); +SELECT * +FROM t2, t3 +WHERE t3.f1 = ( + SELECT SUM( f2 ) + FROM t4 + WHERE EXISTS ( + SELECT DISTINCT f4 + FROM t1)); + +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; + + +--echo # +--echo # LP BUG#782305: Wrong result/valgrind warning in Item_sum_hybrid::any_value() +--echo # + +CREATE TABLE t1 ( f1 int) ; +INSERT INTO t1 VALUES (2),(3); +CREATE TABLE t2 (f2 int) ; +INSERT INTO t2 VALUES (2),(3); + +PREPARE st1 FROM ' +SELECT * FROM t2 +WHERE f2 <= SOME ( SELECT f1 FROM t1 ); +'; +EXECUTE st1; +EXECUTE st1; + +PREPARE st2 FROM ' +SELECT * FROM t2 +WHERE f2 <= SOME (SELECT f1-2 FROM t1 UNION SELECT f1-1 FROM t1); +'; +EXECUTE st2; +EXECUTE st2; + +drop table t1, t2; + + +set optimizer_switch=@subselect4_tmp; |