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Code Editor : gcol_select_innodb.result
DROP VIEW IF EXISTS v1,v2; DROP TABLE IF EXISTS t1,t2,t3; DROP PROCEDURE IF EXISTS p1; DROP FUNCTION IF EXISTS f1; DROP TRIGGER IF EXISTS trg1; DROP TRIGGER IF EXISTS trg2; set sql_warnings = 0; SET @@session.default_storage_engine = 'InnoDB'; SET optimizer_switch='derived_merge=off'; create table t1 (a int, b int generated always as (-a) virtual, c int generated always as (-a) stored, index (c)); insert into t1 (a) values (2), (1), (1), (3), (NULL); create table t2 like t1; insert into t2 (a) values (1); create table t3 (a int primary key, b int generated always as (-a) virtual, c int generated always as (-a) stored unique); insert into t3 (a) values (2),(1),(3); analyze table t1,t2,t3; Table Op Msg_type Msg_text test.t1 analyze status OK test.t2 analyze status OK test.t3 analyze status OK # select_type=SIMPLE, type=system select * from t2; a b c 1 -1 -1 explain select * from t2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 NULL ALL NULL NULL NULL NULL 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` select * from t2 where c=-1; a b c 1 -1 -1 explain select * from t2 where c=-1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 NULL ref c c 5 const 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`c` = -(1)) # select_type=SIMPLE, type=ALL select * from t1 where b=-1; a b c 1 -1 -1 1 -1 -1 explain select * from t1 where b=-1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 20.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where (`test`.`t1`.`b` = <cache>(-(1))) # select_type=SIMPLE, type=const select * from t3 where a=1; a b c 1 -1 -1 explain select * from t3 where a=1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL const PRIMARY PRIMARY 4 const 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select '1' AS `a`,'-1' AS `b`,'-1' AS `c` from `test`.`t3` where 1 # select_type=SIMPLE, type=range select * from t3 where c>=-1; a b c 1 -1 -1 explain select * from t3 where c>=-1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 1 100.00 Using index condition Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` >= <cache>(-(1))) # select_type=SIMPLE, type=ref select * from t1,t3 where t1.c=t3.c and t3.c=-1; a b c a b c 1 -1 -1 1 -1 -1 1 -1 -1 1 -1 -1 explain select * from t1,t3 where t1.c=t3.c and t3.c=-1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL const c c 5 const 1 100.00 NULL 1 SIMPLE t1 NULL ref c c 5 const 2 100.00 NULL Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,'1' AS `a`,'-1' AS `b`,'-1' AS `c` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`c` = -(1)) # select_type=PRIMARY, type=index,ALL select * from t1 where b in (select c from t3); a b c 1 -1 -1 1 -1 -1 2 -2 -2 3 -3 -3 explain select * from t1 where b in (select c from t3); id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL index c c 5 NULL 3 100.00 Using index 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 20.00 Using where; Using join buffer (Block Nested Loop) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t3` join `test`.`t1` where (`test`.`t1`.`b` = `test`.`t3`.`c`) # select_type=PRIMARY, type=range,ref select * from t1 where c in (select c from t3 where c between -2 and -1); a b c 1 -1 -1 1 -1 -1 2 -2 -2 explain select * from t1 where c in (select c from t3 where c between -2 and -1); id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using where; Using index 1 SIMPLE t1 NULL ALL c NULL NULL NULL 5 60.00 Using where; Using join buffer (Block Nested Loop) Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t3` join `test`.`t1` where ((`test`.`t1`.`c` = `test`.`t3`.`c`) and (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1)))) # select_type=UNION, type=system # select_type=UNION RESULT, type=<union1,2> select * from t1 union select * from t2; a b c 1 -1 -1 2 -2 -2 3 -3 -3 NULL NULL NULL explain select * from t1 union select * from t2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL 2 UNION t2 NULL ALL NULL NULL NULL NULL 1 100.00 NULL NULL UNION RESULT <union1,2> NULL ALL NULL NULL NULL NULL NULL NULL Using temporary Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` union /* select#2 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` # select_type=DERIVED, type=system select * from (select a,b,c from t1) as t11; a b c 1 -1 -1 1 -1 -1 2 -2 -2 3 -3 -3 NULL NULL NULL explain select * from (select a,b,c from t1) as t11; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <derived2> NULL ALL NULL NULL NULL NULL 5 100.00 NULL 2 DERIVED t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL Warnings: Note 1003 /* select#1 */ select `t11`.`a` AS `a`,`t11`.`b` AS `b`,`t11`.`c` AS `c` from (/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1`) `t11` ### ### Using aggregate functions with/without DISTINCT ### # SELECT COUNT(*) FROM tbl_name select count(*) from t1; count(*) 5 explain select count(*) from t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL index NULL c 5 NULL 5 100.00 Using index Warnings: Note 1003 /* select#1 */ select count(0) AS `count(*)` from `test`.`t1` # SELECT COUNT(DISTINCT <non-gcol>) FROM tbl_name select count(distinct a) from t1; count(distinct a) 3 explain select count(distinct a) from t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL Warnings: Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`a`) AS `count(distinct a)` from `test`.`t1` # SELECT COUNT(DISTINCT <non-stored gcol>) FROM tbl_name select count(distinct b) from t1; count(distinct b) 3 explain select count(distinct b) from t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 NULL Warnings: Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`b`) AS `count(distinct b)` from `test`.`t1` # SELECT COUNT(DISTINCT <stored gcol>) FROM tbl_name select count(distinct c) from t1; count(distinct c) 3 explain select count(distinct c) from t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL range c c 5 NULL 5 100.00 Using index for group-by (scanning) Warnings: Note 1003 /* select#1 */ select count(distinct `test`.`t1`.`c`) AS `count(distinct c)` from `test`.`t1` ### ### filesort & range-based utils ### # SELECT * FROM tbl_name WHERE <gcol expr> select * from t3 where c >= -2; a b c 1 -1 -1 2 -2 -2 explain select * from t3 where c >= -2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` >= <cache>(-(2))) # SELECT * FROM tbl_name WHERE <non-gcol expr> select * from t3 where a between 1 and 2; a b c 1 -1 -1 2 -2 -2 explain select * from t3 where a between 1 and 2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 2 100.00 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2) # SELECT * FROM tbl_name WHERE <non-indexed gcol expr> select * from t3 where b between -2 and -1; a b c 1 -1 -1 2 -2 -2 explain select * from t3 where b between -2 and -1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) # SELECT * FROM tbl_name WHERE <indexed gcol expr> select * from t3 where c between -2 and -1; a b c 1 -1 -1 2 -2 -2 explain select * from t3 where c between -2 and -1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) # SELECT * FROM tbl_name WHERE <non-gcol expr> ORDER BY <non-indexed gcol> select * from t3 where a between 1 and 2 order by b; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where a between 1 and 2 order by b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2) order by `test`.`t3`.`b` # bug#20022189: WL411:DEBUG ASSERT AT FIELD_LONG::VAL_INT IN SQL/FIELD.CC # SELECT * FROM tbl_name WHERE <non-gcol expr> ORDER BY <non-indexed stored gcol> select * from t3 where a between 1 and 2 order by c; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where a between 1 and 2 order by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2) order by `test`.`t3`.`c` # bug#20022189: WL411:DEBUG ASSERT AT FIELD_LONG::VAL_INT IN SQL/FIELD.CC CREATE TABLE t4 ( `pk` int(11) NOT NULL , `col_int_nokey` int(11) GENERATED ALWAYS AS (pk + col_int_key) STORED, `col_int_key` int(11) DEFAULT NULL, `col_date_nokey` date DEFAULT NULL, `col_datetime_key` datetime DEFAULT NULL, PRIMARY KEY (`pk`), KEY `col_int_key` (`col_int_key`), KEY `col_datetime_key` (`col_datetime_key`) ); INSERT INTO t4 VALUES (1,default,4,'2008-12-05','1900-01-01 00:00:00'); SELECT SQL_BIG_RESULT GRANDPARENT1 . `col_int_nokey` AS g1 FROM t4 AS GRANDPARENT1 LEFT JOIN t4 AS GRANDPARENT2 ON ( GRANDPARENT2 . `col_datetime_key` <= GRANDPARENT1 . `col_date_nokey` ) GROUP BY GRANDPARENT1 . `pk`; g1 5 DROP TABLE t4; # SELECT * FROM tbl_name WHERE <non-gcol expr> ORDER BY <indexed gcol> select * from t3 where a between 1 and 2 order by c; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where a between 1 and 2 order by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`a` between 1 and 2) order by `test`.`t3`.`c` # SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <non-gcol> select * from t3 where b between -2 and -1 order by a; a b c 1 -1 -1 2 -2 -2 explain select * from t3 where b between -2 and -1 order by a; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL index NULL PRIMARY 4 NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`a` # SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <non-indexed gcol> select * from t3 where b between -2 and -1 order by b; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where b between -2 and -1 order by b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`b` # SELECT * FROM tbl_name WHERE <indexed gcol expr> ORDER BY <non-indexed gcol> select * from t3 where c between -2 and -1 order by b; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where c between -2 and -1 order by b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`b` # SELECT * FROM tbl_name WHERE <non-indexed gcol expr> ORDER BY <indexed gcol> select * from t3 where b between -2 and -1 order by c; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where b between -2 and -1 order by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL ALL NULL NULL NULL NULL 3 33.33 Using where; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`b` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`c` # SELECT * FROM tbl_name WHERE <indexed gcol expr> ORDER BY <indexed gcol> select * from t3 where c between -2 and -1 order by c; a b c 2 -2 -2 1 -1 -1 explain select * from t3 where c between -2 and -1 order by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 NULL range c c 5 NULL 2 100.00 Using index condition Warnings: Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t3`.`c` AS `c` from `test`.`t3` where (`test`.`t3`.`c` between <cache>(-(2)) and <cache>(-(1))) order by `test`.`t3`.`c` # SELECT sum(<non-indexed gcol>) FROM tbl_name GROUP BY <non-indexed gcol> select sum(b) from t1 group by b; sum(b) NULL -3 -2 -2 explain select sum(b) from t1 group by b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort Warnings: Note 1003 /* select#1 */ select sum(`test`.`t1`.`b`) AS `sum(b)` from `test`.`t1` group by `test`.`t1`.`b` # SELECT sum(<indexed gcol>) FROM tbl_name GROUP BY <indexed gcol> select sum(c) from t1 group by c; sum(c) NULL -3 -2 -2 explain select sum(c) from t1 group by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL index c c 5 NULL 5 100.00 Using index Warnings: Note 1003 /* select#1 */ select sum(`test`.`t1`.`c`) AS `sum(c)` from `test`.`t1` group by `test`.`t1`.`c` # SELECT sum(<non-indexed gcol>) FROM tbl_name GROUP BY <indexed gcol> select sum(b) from t1 group by c; sum(b) NULL -3 -2 -2 explain select sum(b) from t1 group by c; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL index c c 5 NULL 5 100.00 NULL Warnings: Note 1003 /* select#1 */ select sum(`test`.`t1`.`b`) AS `sum(b)` from `test`.`t1` group by `test`.`t1`.`c` # SELECT sum(<indexed gcol>) FROM tbl_name GROUP BY <non-indexed gcol> select sum(c) from t1 group by b; sum(c) NULL -3 -2 -2 explain select sum(c) from t1 group by b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort Warnings: Note 1003 /* select#1 */ select sum(`test`.`t1`.`c`) AS `sum(c)` from `test`.`t1` group by `test`.`t1`.`b` drop table t1; # # Bug#20241655: WL411:FAILING ASSERTION ASSERTION # CREATE TABLE BB ( col_time_key time NOT NULL, col_time_nokey time GENERATED ALWAYS AS (ADDTIME(col_datetime_key, col_time_key)) VIRTUAL, col_datetime_key datetime NOT NULL); INSERT INTO BB VALUES('23:28:02', default, '2005-03-15 22:48:25'); CREATE TABLE CC ( col_time_key time NOT NULL, col_time_nokey time GENERATED ALWAYS AS (ADDTIME(col_datetime_key, col_time_key)) VIRTUAL, col_datetime_key datetime NOT NULL ); INSERT INTO CC VALUES('16:22:51', default, '1900-01-01 00:00:00'); SELECT 1 AS g1 FROM BB AS gp1 LEFT JOIN BB AS gp2 USING ( col_time_nokey); g1 1 DROP TABLE BB, CC; # # Bug#20328786: WL411:VALGRIND WARNINGS OF CONDITIONAL # JUMP WHILE SELECTING FROM VIEW # CREATE TABLE A ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER, col_int_key INTEGER GENERATED ALWAYS AS (2 + 2 + col_int_nokey) STORED, PRIMARY KEY (pk) ); CREATE TABLE C ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER, col_int_key INTEGER GENERATED ALWAYS AS (2 + 2 + col_int_nokey) STORED, col_varchar_nokey VARCHAR(1), col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)) STORED, PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key, col_int_key) ); INSERT INTO C ( col_int_nokey, col_varchar_nokey ) VALUES (4, 'v'),(62, 'v'),(7, 'c'),(1, NULL),(0, 'x'),(7, 'i'),(7, 'e'),(1, 'p'),(7, 's'),(1, 'j'),(5, 'z'),(2, 'c'),(0, 'a'),(1, 'q'),(8, 'y'),(1, NULL),(1, 'r'),(9, 'v'),(1, NULL),(5, 'r'); CREATE OR REPLACE ALGORITHM=MERGE VIEW V1 AS SELECT alias1. col_varchar_key AS field1 , alias1.pk AS field2, alias2. col_int_nokey AS field3 FROM C AS alias1 LEFT JOIN A AS alias2 ON alias1.pk = alias2.col_int_key WHERE alias1.pk > 8 AND alias1 .pk < ( 9 + 2 ) AND alias1.col_int_key <> 1 OR alias1.col_int_key > 0 AND alias1.col_int_key <= ( 3 + 2 ) ORDER BY field1, field2, field3 LIMIT 100 OFFSET 6; Warnings: Warning 1354 View merge algorithm can't be used here for now (assumed undefined algorithm) SELECT * FROM V1; field1 field2 field3 qq 14 NULL rr 17 NULL ss 9 NULL xx 5 NULL DROP VIEW V1; DROP TABLE A,C; # # Bug#20406510: WL411:VALGRIND WARNINGS WITH # COUNT DISTINCT QUERY ON VIRTUAL GC VARCHAR COLUMN # CREATE TABLE A ( pk INTEGER AUTO_INCREMENT, col_time_key TIME NOT NULL, col_datetime_key DATETIME NOT NULL, PRIMARY KEY (pk), KEY (col_time_key), KEY (col_datetime_key) ); CREATE TABLE C ( pk INTEGER AUTO_INCREMENT, col_int_key INTEGER NOT NULL, col_varchar_key VARCHAR(1) NOT NULL, col_varchar_nokey VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_key, col_varchar_key)), PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key, col_int_key) ); INSERT INTO C (col_int_key,col_varchar_key) VALUES (0, 'j'),(8, 'v'),(1, 'c'),(8, 'm'),(9, 'd'); SELECT MIN( alias2 . col_int_key ) AS field1, COUNT( DISTINCT alias2 . col_varchar_nokey ) AS field2 FROM ( A AS alias1 , C AS alias2 ) ORDER BY alias1.col_time_key, alias1.col_datetime_key, alias1.pk ASC; field1 field2 NULL 0 DROP TABLE A,C; # # Bug#20566325: WL8149: INNODB: FAILING ASSERTION: # COL_NR < TABLE->N_DEF # CREATE TABLE A ( pk INTEGER AUTO_INCREMENT, col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk) ); INSERT /*! IGNORE */ INTO A (col_varchar_nokey) VALUES ('k'); CREATE TABLE CC ( pk INTEGER AUTO_INCREMENT, col_datetime_nokey DATETIME /*! NULL */, col_time_nokey TIME /*! NULL */, col_time_key TIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_varchar_nokey VARCHAR(1) /*! NULL */, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk)); INSERT INTO CC (col_time_nokey,col_datetime_nokey,col_varchar_nokey) VALUES ('13:06:13.033877','1900-01-01 00:00:00', 'p'), (NULL, '2007-05-25 11:58:54.015689', 'g'); SELECT table1.col_time_key AS field1, 'z' AS field2 FROM (CC AS table1 LEFT OUTER JOIN (A AS table2 STRAIGHT_JOIN CC AS table3 ON (table3.col_varchar_key = table2.col_varchar_nokey)) ON (table3.col_varchar_key = table2.col_varchar_nokey)) WHERE table2.pk != 6 AND table1.col_varchar_key IN ('l', 's' , 'b' ) AND table3.col_varchar_key != table1.col_varchar_key ORDER BY table1.col_varchar_key , field1 , field2; field1 field2 DROP TABLE A,CC; # # Bug#20573302: WL8149: SEGV IN HA_INNOBASE:: # BUILD_TEMPLATE AT INNOBASE/HANDLER/HA_INNODB.CC:665 # CREATE TABLE c ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER NOT NULL, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey) VIRTUAL, col_date_nokey DATE NOT NULL, col_date_key DATE GENERATED ALWAYS AS (DATE_ADD(col_date_nokey,interval 30 day)) VIRTUAL, col_datetime_nokey DATETIME NOT NULL, col_time_nokey TIME NOT NULL, col_datetime_key DATETIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_time_key TIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key), KEY (col_date_key), KEY (col_time_key), KEY (col_datetime_key), KEY (col_int_key, col_varchar_key), KEY (col_int_key, col_varchar_key, col_date_key, col_time_key, col_datetime_key)); INSERT /*! IGNORE */ INTO c ( col_int_nokey, col_date_nokey, col_time_nokey, col_datetime_nokey, col_varchar_nokey ) VALUES (1, '2009-12-01', '00:21:38.058143', '2007-05-28 00:00:00', 'c'), (8, '2004-12-17', '04:08:02.046897', '2009-07-25 09:21:20.064099', 'm'), (9, '2000-03-14', '16:25:11.040240', '2002-01-16 00:00:00', 'd'), (24, '2000-10-08', '10:14:58.018534', '2006-10-12 04:32:53.031976', 'd'), (6, '2006-05-25', '19:47:59.011283', '2001-02-15 03:08:38.035426', 'y'), (1, '2008-01-23', '11:14:24.032949', '2004-10-02 20:31:15.022553', 't'), (6, '2007-06-18', NULL, '2002-08-20 22:48:00.035785', 'd'), (2, '2002-10-13', '00:00:00', '1900-01-01 00:00:00', 's'), (4, '1900-01-01', '15:57:25.019666', '2005-08-15 00:00:00', 'r'), (8, NULL, '07:05:51.006712', '1900-01-01 00:00:00', 'm'), (4, '2006-03-09', '19:22:21.057406', '2008-05-16 08:09:06.002924', 'b'), (4, '2001-06-05', '03:53:16.001370', '2001-01-20 12:47:23.022022', 'x'), (7, '2006-05-28', '09:16:38.034570', '2008-07-02 00:00:00', 'g'), (4, '2001-04-19', '15:37:26.028315', '1900-01-01 00:00:00', 'p'), (1, '1900-01-01', '00:00:00', '2002-12-08 11:34:58.001571', 'q'), (9, '2004-08-20', '05:03:03.047452', '1900-01-01 00:00:00', 'w'), (4, '2004-10-10', '02:59:24.063764', '1900-01-01 00:00:00', 'd'), (8, '2000-04-02', '00:01:58.064243', '2002-08-25 20:35:06.064634', 'e'), (4, '2006-11-02', '00:00:00', '2001-10-22 11:13:24.048128', 'b'), (8, '2009-01-28', '02:20:16.024931', '2003-03-12 02:00:34.029335', 'y'); Warnings: Warning 1048 Column 'col_time_nokey' cannot be null Warning 1048 Column 'col_date_nokey' cannot be null CREATE TABLE cc ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER NOT NULL, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey) VIRTUAL, col_date_nokey DATE NOT NULL, col_date_key DATE GENERATED ALWAYS AS (DATE_ADD(col_date_nokey,interval 30 day)) VIRTUAL, col_datetime_nokey DATETIME NOT NULL, col_time_nokey TIME NOT NULL, col_datetime_key DATETIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_time_key TIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key), KEY (col_date_key), KEY (col_time_key), KEY (col_datetime_key), KEY (col_int_key, col_varchar_key), KEY (col_int_key, col_varchar_key, col_date_key, col_time_key, col_datetime_key)); INSERT /*! IGNORE */ INTO cc ( col_int_nokey, col_date_nokey, col_time_nokey, col_datetime_nokey, col_varchar_nokey ) VALUES (0, '2003-02-06', '22:02:09.059926', '2003-08-07 14:43:09.011144', 'x'), (0, '2005-04-16', '19:33:15.014160', '2005-12-11 00:00:00', 'n'), (1, '2005-07-23', '22:03:16.058787', '2005-12-26 20:48:07.043628', 'w'), (7, '2001-11-15', '06:31:23.027263', '2008-06-12 06:41:21.012493', 's'), (0, '2006-03-24', '02:19:08.013275', '2007-10-11 18:46:28.030000', 'a'), (4, '2008-07-10', NULL, '2006-04-04 22:22:40.057947', 'd'), (1, '2009-12-07', NULL, '2002-08-10 20:52:58.035137', 'w'), (1, '2008-05-01', '10:28:01.038587', '2008-10-03 11:17:23.005299', 'j'), (1, '2008-06-22', '00:00:00', '2009-01-06 20:11:01.034339', 'm'), (4, '2001-11-11', '15:02:50.048785', '2009-09-19 00:00:00', 'k'), (7, '2000-12-21', '05:29:13.012729', '2007-09-02 12:14:27.029187', 't'), (4, '2007-09-03', '23:45:33.048507', '2003-09-26 00:00:00', 'k'), (2, '2003-02-18', '19:10:53.057455', '2001-11-18 18:10:16.063189', 'e'), (0, '2008-12-01', '01:45:27.037313', '2005-02-15 04:08:17.015554', 'i'), (1, '2008-10-18', '03:56:03.060218', '2009-06-13 23:04:40.013006', 't'), (91, '2004-08-28', '12:43:17.023797', '1900-01-01 00:00:00', 'm'), (6, '2006-10-05', '13:33:46.053634', '2005-03-20 02:48:24.045653', 'z'), (3, '2003-05-16', NULL, '2002-03-16 11:47:27.045297', 'c'), (6, '2008-10-10', NULL, '2000-05-22 00:00:00', 'i'), (8, '2002-01-19', '05:18:40.006865', '2009-02-12 00:00:00', 'v'); Warnings: Warning 1048 Column 'col_time_nokey' cannot be null EXPLAIN SELECT subquery2_t2.col_int_key AS subquery2_field1 FROM (c AS subquery2_t1 RIGHT JOIN (c AS subquery2_t2 LEFT JOIN cc AS subquery2_t3 ON (subquery2_t3.col_int_nokey = subquery2_t2.col_int_key )) ON (subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_key)) ORDER BY subquery2_field1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE subquery2_t2 NULL index NULL col_int_key_2 10 NULL # # Using index; Using temporary; Using filesort 1 SIMPLE subquery2_t3 NULL ALL NULL NULL NULL NULL # # Using where; Using join buffer (Block Nested Loop) 1 SIMPLE subquery2_t1 NULL index NULL col_date_key 4 NULL # # Using where; Using index; Using join buffer (Block Nested Loop) Warnings: Note 1003 /* select#1 */ select `test`.`subquery2_t2`.`col_int_key` AS `subquery2_field1` from `test`.`c` `subquery2_t2` left join `test`.`cc` `subquery2_t3` on((`test`.`subquery2_t3`.`col_int_nokey` = `test`.`subquery2_t2`.`col_int_key`)) left join `test`.`c` `subquery2_t1` on((`test`.`subquery2_t3`.`col_varchar_key` = `test`.`subquery2_t2`.`col_varchar_key`)) where 1 order by `subquery2_field1` SELECT subquery2_t2.col_int_key AS subquery2_field1 FROM (c AS subquery2_t1 RIGHT JOIN (c AS subquery2_t2 LEFT JOIN cc AS subquery2_t3 ON (subquery2_t3.col_int_nokey = subquery2_t2.col_int_key )) ON (subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_key)) ORDER BY subquery2_field1; subquery2_field1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 7 7 8 8 8 8 9 9 24 SELECT subquery2_t2.col_int_key AS subquery2_field1 FROM (c AS subquery2_t1 RIGHT JOIN (c AS subquery2_t2 LEFT JOIN cc AS subquery2_t3 ON (subquery2_t3.col_int_nokey = subquery2_t2.col_int_key )) ON (subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_key)) ORDER BY subquery2_field1; subquery2_field1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 6 6 6 7 7 8 8 8 8 9 9 24 DROP TABLE c,cc; # # Bug#2081065: WL8149:RESULT DIFF SEEN FOR SIMPLE # RANGE QUERIES WITH ORDER BY # CREATE TABLE cc ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER NOT NULL, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey + col_int_nokey) VIRTUAL, PRIMARY KEY (pk), KEY (col_int_key) ); INSERT INTO cc (col_int_nokey) VALUES (0),(1),(7),(0),(4),(5); EXPLAIN SELECT pk FROM cc WHERE col_int_key > 3; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE cc NULL range col_int_key col_int_key 5 NULL # # Using where; Using index Warnings: Note 1003 /* select#1 */ select `test`.`cc`.`pk` AS `pk` from `test`.`cc` where (`test`.`cc`.`col_int_key` > 3) SELECT pk FROM cc WHERE col_int_key > 3; pk 5 6 3 EXPLAIN SELECT pk FROM cc WHERE col_int_key > 3 ORDER BY 1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE cc NULL range col_int_key col_int_key 5 NULL # # Using where; Using index; Using filesort Warnings: Note 1003 /* select#1 */ select `test`.`cc`.`pk` AS `pk` from `test`.`cc` where (`test`.`cc`.`col_int_key` > 3) order by `test`.`cc`.`pk` SELECT pk FROM cc WHERE col_int_key > 3 ORDER BY 1; pk 3 5 6 DROP TABLE cc; # # Bug#20849676 :WL8149:ASSERTION `!TABLE || (!TABLE->READ_SET # || BITMAP_IS_SET(TABLE->READ_SET # CREATE TABLE c ( pk INTEGER AUTO_INCREMENT, col_int_nokey INTEGER NOT NULL, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey + col_int_nokey) VIRTUAL, col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk), KEY (col_int_key), KEY (col_varchar_key), KEY (col_int_key, col_varchar_key) ) ; INSERT INTO c (col_int_nokey, col_varchar_nokey) VALUES (1, 'c'),(8, 'm'),(9, 'd'),(24, 'd'),(6, 'y'),(1, 't'),(6, 'd'), (2, 'r'),(8, 'm'),(4, 'b'),(4, 'x'),(7, 'g'),(4, 'p'),(1, 'q'), (9, 'w'),(4, 'd'),(8, 'e'),(4, 'b'),(8, 'y'); CREATE TABLE a ( pk INTEGER AUTO_INCREMENT, col_datetime_nokey DATETIME NOT NULL, col_time_nokey TIME NOT NULL, col_datetime_key DATETIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_time_key TIME GENERATED ALWAYS AS (ADDTIME(col_datetime_nokey, col_time_nokey)), col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), PRIMARY KEY (pk), KEY (col_varchar_key), KEY (col_time_key), KEY (col_datetime_key), KEY (col_varchar_key, col_time_key, col_datetime_key) ); INSERT INTO a ( col_time_nokey, col_datetime_nokey, col_varchar_nokey) VALUES ('04:08:02.046897', '2001-11-04 19:07:55.051133', 'k'); ANALYZE TABLE a, c; Table Op Msg_type Msg_text test.a analyze status OK test.c analyze status OK EXPLAIN SELECT table1.pk AS field1 , table1.col_datetime_key AS field2 FROM ( a AS table1 LEFT JOIN ( ( c AS table2 STRAIGHT_JOIN ( SELECT SUBQUERY1_t1.* FROM ( c AS SUBQUERY1_t1 INNER JOIN ( c AS SUBQUERY1_t2 STRAIGHT_JOIN c AS SUBQUERY1_t3 ON (SUBQUERY1_t3.col_varchar_key = SUBQUERY1_t2.col_varchar_key ) ) ON (SUBQUERY1_t3.pk = SUBQUERY1_t2.col_int_key OR SUBQUERY1_t1.col_int_key <> 1 ) ) WHERE SUBQUERY1_t2.pk >= 9 ) AS table3 ON (table3.col_int_key = table2.col_int_key ) ) ) ON (table3.col_int_nokey = table2.pk ) ) GROUP BY field1, field2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY table1 NULL index col_datetime_key,col_varchar_key_2 col_datetime_key 6 NULL # 100.00 Using index; Using temporary; Using filesort 1 PRIMARY table2 NULL index PRIMARY,col_int_key,col_int_key_2 col_int_key 5 NULL # 100.00 Using index 1 PRIMARY <derived2> NULL ref <auto_key0> <auto_key0> 9 test.table2.pk,test.table2.col_int_key # 100.00 NULL 2 DERIVED SUBQUERY1_t2 NULL range PRIMARY,col_int_key,col_varchar_key,col_int_key_2 PRIMARY 4 NULL # 100.00 Using where 2 DERIVED SUBQUERY1_t3 NULL ref PRIMARY,col_varchar_key col_varchar_key 5 test.SUBQUERY1_t2.col_varchar_key # 100.00 Using index 2 DERIVED SUBQUERY1_t1 NULL ALL col_int_key,col_int_key_2 NULL NULL NULL # 100.00 Using where; Using join buffer (Block Nested Loop) SELECT table1.pk AS field1 , table1.col_datetime_key AS field2 FROM ( a AS table1 LEFT JOIN ( ( c AS table2 STRAIGHT_JOIN ( SELECT SUBQUERY1_t1.* FROM ( c AS SUBQUERY1_t1 INNER JOIN ( c AS SUBQUERY1_t2 STRAIGHT_JOIN c AS SUBQUERY1_t3 ON (SUBQUERY1_t3.col_varchar_key = SUBQUERY1_t2.col_varchar_key ) ) ON (SUBQUERY1_t3.pk = SUBQUERY1_t2.col_int_key OR SUBQUERY1_t1.col_int_key <> 1 ) ) WHERE SUBQUERY1_t2.pk >= 9 ) AS table3 ON (table3.col_int_key = table2.col_int_key ) ) ) ON (table3.col_int_nokey = table2.pk ) ) GROUP BY field1, field2; field1 field2 1 2001-11-04 23:15:57 DROP TABLE IF EXISTS c,a; CREATE TABLE c ( col_int_nokey INTEGER NOT NULL, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey + col_int_nokey) VIRTUAL, col_varchar_nokey VARCHAR(1) NOT NULL, col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), KEY (col_int_key), KEY (col_int_key, col_varchar_key) ) ; INSERT INTO c ( col_int_nokey, col_varchar_nokey ) VALUES (1, 'c'),(8, 'm'),(9, 'd'),(24, 'd'),(6, 'y'),(1, 't'), (6, 'd'),(2, 's'),(4, 'r'),(8, 'm'),(4, 'b'),(4, 'x'),(7, 'g'),(4, 'p'), (1, 'q'),(9, 'w'),(4, 'd'),(8, 'e'),(4, 'b'),(8, 'y'); CREATE TABLE cc ( col_int_nokey INTEGER, col_int_key INTEGER GENERATED ALWAYS AS (col_int_nokey + col_int_nokey) VIRTUAL, col_varchar_nokey VARCHAR(1), col_varchar_key VARCHAR(2) GENERATED ALWAYS AS (CONCAT(col_varchar_nokey, col_varchar_nokey)), KEY (col_int_key), KEY (col_varchar_key), KEY (col_int_key, col_varchar_key), KEY (col_int_key, col_int_nokey), KEY (col_varchar_key, col_varchar_nokey) ); INSERT INTO cc ( col_int_nokey, col_varchar_nokey ) VALUES (8, 'p'),(9, 'g'),(9, 'i'),(4, 'p'),(7, 'h'),(1, 'e'),(8, 'e'),(6, 'u'), (6, 'j'),(6, 'e'),(1, 'z'),(227, 'w'),(NULL, 't'),(9, 'i'),(1, 'i'),(8, 'i'), (5, 'b'),(8,'m'),(7, 'j'),(2, 'v'); ANALYZE TABLE c, cc; Table Op Msg_type Msg_text test.c analyze status OK test.cc analyze status OK EXPLAIN SELECT alias2 . col_varchar_key AS field1 FROM ( cc AS alias1 , cc AS alias2 ) WHERE ( alias2 . col_int_key , alias1 . col_int_nokey ) NOT IN ( SELECT DISTINCT SQ1_alias2 . col_int_nokey AS SQ1_field1 , SQ1_alias1 . col_int_key AS SQ1_field2 FROM ( cc AS SQ1_alias1 , c AS SQ1_alias2 ) GROUP BY SQ1_field1 , SQ1_field2 ) GROUP BY field1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY alias1 NULL index NULL col_int_key_3 10 NULL # 100.00 Using index; Using temporary; Using filesort 1 PRIMARY alias2 NULL index col_varchar_key,col_int_key_2,col_varchar_key_2 col_int_key_2 10 NULL # 100.00 Using where; Using index; Using join buffer (Block Nested Loop) 2 DEPENDENT SUBQUERY SQ1_alias1 NULL ref_or_null col_int_key,col_int_key_2,col_int_key_3 col_int_key 5 func # 100.00 Using where; Using index; Full scan on NULL key 2 DEPENDENT SUBQUERY SQ1_alias2 NULL ALL NULL NULL NULL NULL # 100.00 Using where; Using join buffer (Block Nested Loop) SELECT alias2 . col_varchar_key AS field1 FROM ( cc AS alias1 , cc AS alias2 ) WHERE ( alias2 . col_int_key , alias1 . col_int_nokey ) NOT IN ( SELECT DISTINCT SQ1_alias2 . col_int_nokey AS SQ1_field1 , SQ1_alias1 . col_int_key AS SQ1_field2 FROM ( cc AS SQ1_alias1 , c AS SQ1_alias2 ) GROUP BY SQ1_field1 , SQ1_field2 ) GROUP BY field1; field1 bb ee gg hh ii jj mm pp uu ww DROP TABLE IF EXISTS c,cc; SET @save_old_sql_mode= @@sql_mode; SET sql_mode=""; CREATE TABLE d ( col_int int(11) DEFAULT NULL, col_varchar_10_utf8 varchar(10) CHARACTER SET utf8 DEFAULT NULL, pk int(11) NOT NULL AUTO_INCREMENT, col_int_key int(11) GENERATED ALWAYS AS (col_int+col_int) VIRTUAL, col_varchar_10_utf8_key varchar(10) CHARACTER SET utf8 GENERATED ALWAYS AS (REPEAT(SUBSTRING(col_varchar_10_utf8, -1), 5)) VIRTUAL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_10_utf8_key (col_varchar_10_utf8_key), KEY cover_key1 (col_int_key, col_varchar_10_utf8_key) ); INSERT INTO d (col_int, col_varchar_10_utf8) VALUES ('qhlhtrovam',1),('how',2),('htrovamzqr',3),('rovamzqrdc',4),('well',5),('g',6),('rdcenchyhu',7),('want',8); SELECT table1.pk AS field1 FROM d AS table1 LEFT JOIN d AS table2 ON table1.col_varchar_10_utf8_key = table2.col_varchar_10_utf8_key WHERE table1.col_int_key IS NULL GROUP BY table1.pk ; field1 DROP TABLE d; # # Bug#21153237: WL8149: QUERIES USING FILESORT # ON VIRTUAL GC HAVING INDEX GIVES WRONG RESULTS # CREATE TABLE j ( col_int int(11), pk int(11) NOT NULL, col_varchar_10_utf8 varchar(10) CHARACTER SET utf8 DEFAULT NULL, col_varchar_255_utf8_key varchar(255) CHARACTER SET utf8 GENERATED ALWAYS AS (col_varchar_10_utf8) VIRTUAL, PRIMARY KEY (pk), KEY cover_key1 (col_int, col_varchar_255_utf8_key)); INSERT INTO j(col_int, pk, col_varchar_10_utf8) VALUES(9, 1, '951910400'), (-1934295040, 2, '1235025920'),(-584581120, 3, '-1176633344'),(3, 4, '1074462720'); EXPLAIN SELECT col_varchar_255_utf8_key FROM j ORDER BY 1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE j NULL index NULL cover_key1 773 NULL # 100.00 Using index; Using filesort SELECT col_varchar_255_utf8_key FROM j ORDER BY col_varchar_255_utf8_key; col_varchar_255_utf8_key -117663334 1074462720 1235025920 951910400 DROP TABLE j; set sql_mode= @save_old_sql_mode; CREATE TABLE cc ( pk int(11) NOT NULL AUTO_INCREMENT, col_int_nokey int(11) NOT NULL, col_int_key int(11) GENERATED ALWAYS AS (col_int_nokey) STORED, col_date_nokey date NOT NULL, col_date_key date GENERATED ALWAYS AS (col_date_nokey) STORED, col_datetime_nokey datetime NOT NULL, col_time_nokey time NOT NULL, col_datetime_key datetime GENERATED ALWAYS AS (col_datetime_nokey)STORED, col_time_key time GENERATED ALWAYS AS (col_time_nokey) STORED, col_varchar_nokey varchar(1) NOT NULL, col_varchar_key varchar(1) GENERATED ALWAYS AS (col_varchar_nokey)STORED, PRIMARY KEY (pk), KEY gc_idx1 (col_int_key), KEY gc_idx2 (col_varchar_key), KEY gc_idx3 (col_date_key), KEY gc_idx4 (col_time_key), KEY gc_idx5 (col_datetime_key), KEY gc_idx6 (col_varchar_key,col_int_key), KEY gc_idx7 (col_date_key,col_datetime_key,col_time_key), KEY gc_idx8(col_int_key,col_varchar_key,col_date_key,col_time_key, col_datetime_key) ); INSERT INTO cc ( col_int_nokey, col_date_nokey, col_time_nokey, col_datetime_nokey, col_varchar_nokey ) VALUES (1, '2009-12-01', '00:21:38.058143', '2007-05-28 00:00:00', 'c'), (8, '2004-12-17', '04:08:02.046897', '2009-07-25 09:21:20.064099', 'm'), (9, '2000-03-14', '16:25:11.040240', '2002-01-16 00:00:00', 'd'), (24, '2000-10-08', '10:14:58.018534', '2006-10-12 04:32:53.031976', 'd'), (6, '2006-05-25', '19:47:59.011283', '2001-02-15 03:08:38.035426', 'y'), (1, '2008-01-23', '11:14:24.032949', '2004-10-02 20:31:15.022553', 't'); SET @save_old_sql_mode= @@sql_mode; SET sql_mode=""; Warnings: Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release. SELECT DISTINCT alias1.col_varchar_key AS field1 FROM ( cc AS alias1 STRAIGHT_JOIN (( cc AS alias2 STRAIGHT_JOIN cc AS alias3 ON (alias3.col_varchar_key > alias2.col_varchar_key ) ) ) ON (( alias3 .pk >= alias2.col_int_nokey ) AND (alias3 .pk >= alias2.col_int_nokey ) )) WHERE alias1.col_varchar_key <= 'v' GROUP BY field1 HAVING field1 = 91 ORDER BY field1, alias1.col_date_key, field1 ASC, field1 DESC, alias1.col_time_key ASC, field1; field1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'c' Warning 1292 Truncated incorrect DOUBLE value: 't' Warning 1292 Truncated incorrect DOUBLE value: 'm' Warning 1292 Truncated incorrect DOUBLE value: 'd' DROP TABLE cc; SET sql_mode=@save_old_sql_mode; Warnings: Warning 3090 Changing sql mode 'NO_AUTO_CREATE_USER' is deprecated. It will be removed in a future release. # # Bug#20797941: WL8149:ASSERTION !TABLE || # (!TABLE->READ_SET || BITMAP_IS_SET(TABLE->READ_SET # CREATE TABLE t(a int, b int as(a+1)); INSERT INTO t(a) values(1),(2); SELECT * FROM t ORDER BY b; a b 1 2 2 3 DROP TABLE t; # # Testing a few index-based accesses on the virtual column # CREATE TABLE t1 ( id int(11) NOT NULL, b int(11) GENERATED ALWAYS AS (id+1) VIRTUAL NOT NULL, UNIQUE KEY (b) ); INSERT INTO t1 (id) VALUES(NULL); ERROR 23000: Column 'id' cannot be null INSERT INTO t1 VALUES(2,3); ERROR HY000: The value specified for generated column 'b' in table 't1' is not allowed. INSERT INTO t1 (id) VALUES(2),(3); EXPLAIN SELECT * FROM t1 FORCE INDEX(b) WHERE b=3; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL const b b 4 const 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select '2' AS `id`,'3' AS `b` from `test`.`t1` FORCE INDEX (`b`) where 1 EXPLAIN SELECT * FROM t1 AS t2 STRAIGHT_JOIN t1 FORCE INDEX(b) WHERE t1.b=t2.b; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 NULL ALL b NULL NULL NULL 2 100.00 NULL 1 SIMPLE t1 NULL eq_ref b b 4 test.t2.b 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`id` AS `id`,`test`.`t1`.`b` AS `b` from `test`.`t1` `t2` straight_join `test`.`t1` FORCE INDEX (`b`) where (`test`.`t1`.`b` = `test`.`t2`.`b`) EXPLAIN SELECT b FROM t1 FORCE INDEX(b); id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL index NULL b 4 NULL 2 100.00 Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`b` AS `b` from `test`.`t1` FORCE INDEX (`b`) INSERT INTO t1 (id) VALUES(4),(5),(6),(7),(8),(9),(10); EXPLAIN SELECT b FROM t1 FORCE INDEX(b) WHERE b BETWEEN 1 AND 5; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL range b b 4 NULL 3 100.00 Using where; Using index Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`b` AS `b` from `test`.`t1` FORCE INDEX (`b`) where (`test`.`t1`.`b` between 1 and 5) EXPLAIN SELECT * FROM t2 AS t1 WHERE b NOT IN (SELECT b FROM t1 FORCE INDEX(b)); id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 1 100.00 Using where 2 DEPENDENT SUBQUERY t1 NULL unique_subquery b b 4 func 1 100.00 Using where; Using index; Full scan on NULL key Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t2` `t1` where (not(<in_optimizer>(`test`.`t1`.`b`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`b`) in t1 on b where <if>(outer_field_is_not_null, (<cache>(`test`.`t1`.`b`) = `test`.`t1`.`b`), true)))))) DROP TABLE t1; DROP TABLE t2, t3; # # Bug#21317507:GC: STORED COLUMN REJECTED, BUT VIRTUAL IS ACCEPTED # CREATE TABLE t1(a INT); INSERT INTO t1 VALUES(2147483647); ALTER TABLE t1 ADD INDEX idx(a), WITH VALIDATION; ERROR HY000: Incorrect usage of ALTER and WITH VALIDATION ALTER TABLE t1 ADD COLUMN b SMALLINT AS (a) VIRTUAL; ALTER TABLE t1 DROP COLUMN b; ALTER TABLE t1 ADD COLUMN c SMALLINT AS (a) VIRTUAL, WITH VALIDATION; ERROR 22003: Out of range value for column 'c' at row 1 ALTER TABLE t1 ADD COLUMN d SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION; ALTER TABLE t1 DROP COLUMN d; ALTER TABLE t1 ADD COLUMN c INT AS(a) VIRTUAL; ALTER TABLE t1 CHANGE c c SMALLINT AS(a) VIRTUAL, WITH VALIDATION; ERROR 22003: Out of range value for column 'c' at row 1 ALTER TABLE t1 CHANGE c c SMALLINT AS(a) VIRTUAL, WITHOUT VALIDATION; ERROR 22003: Out of range value for column 'c' at row 1 ALTER TABLE t1 MODIFY c TINYINT AS(a) VIRTUAL, WITH VALIDATION; ERROR 22003: Out of range value for column 'c' at row 1 ALTER TABLE t1 MODIFY c TINYINT AS(a) VIRTUAL, WITHOUT VALIDATION; ERROR 22003: Out of range value for column 'c' at row 1 SELECT * FROM t1; a c 2147483647 2147483647 DROP TABLE t1; CREATE TABLE t1(a INT); INSERT INTO t1 VALUES(2147483647); ALTER TABLE t1 ADD COLUMN h INT AS (a) VIRTUAL, WITHOUT VALIDATION; ALTER TABLE t1 CHANGE h i INT AS (a) VIRTUAL, WITH VALIDATION, ALGORITHM=INPLACE; Got one of the listed errors ALTER TABLE t1 CHANGE h i INT AS (a) VIRTUAL, WITHOUT VALIDATION, ALGORITHM=INPLACE; ALTER TABLE t1 ADD COLUMN b SMALLINT AS (a) VIRTUAL, WITH VALIDATION, ALGORITHM=INPLACE, LOCK=NONE; Got one of the listed errors ALTER TABLE t1 ADD COLUMN c SMALLINT AS (a) VIRTUAL, WITH VALIDATION, ALGORITHM=INPLACE, LOCK=SHARED; Got one of the listed errors ALTER TABLE t1 ADD COLUMN d SMALLINT AS (a) VIRTUAL, WITH VALIDATION, ALGORITHM=INPLACE, LOCK=EXCLUSIVE; Got one of the listed errors Shouldn't fail on Innodb ALTER TABLE t1 ADD COLUMN e SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION, ALGORITHM=INPLACE, LOCK=NONE; Shouldn't fail on Innodb ALTER TABLE t1 ADD COLUMN f SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION, ALGORITHM=INPLACE, LOCK=SHARED; Shouldn't fail on Innodb ALTER TABLE t1 ADD COLUMN g SMALLINT AS (a) VIRTUAL, WITHOUT VALIDATION, ALGORITHM=INPLACE, LOCK=EXCLUSIVE; DROP TABLE t1; # # Bug#21980430 GCOLS: CRASHING # CREATE TABLE t ( a INT, b BLOB, c BLOB GENERATED ALWAYS AS (a+b) VIRTUAL, UNIQUE KEY i0008 (a) ); INSERT INTO t(a,b) VALUES(1,'cccc'); EXPLAIN SELECT /*+ bka() */ 1 AS c FROM t AS b RIGHT JOIN t AS c ON b.a > c.c WHERE b.b>c.a; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE b NULL ALL i0008 NULL NULL NULL 1 100.00 NULL 1 SIMPLE c NULL ALL i0008 NULL NULL NULL 1 100.00 Range checked for each record (index map: 0x1) Warnings: Note 1003 /* select#1 */ select /*+ BKA(@`select#1`) */ 1 AS `c` from `test`.`t` `c` join `test`.`t` `b` where ((`test`.`b`.`b` > `test`.`c`.`a`) and (`test`.`b`.`a` > `test`.`c`.`c`)) SELECT /*+ bka() */ 1 AS c FROM t AS b RIGHT JOIN t AS c ON b.a > c.c WHERE b.b>c.a; c DROP TABLE t; set @optimizer_switch_save = @@optimizer_switch; set optimizer_switch='mrr_cost_based=off'; set @read_rnd_buffer_size_save= @@read_rnd_buffer_size; set read_rnd_buffer_size=32; CREATE TABLE t0 ( i1 INTEGER NOT NULL ); INSERT INTO t0 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); CREATE TABLE t1 ( pk INTEGER NOT NULL, i1 INTEGER NOT NULL, i2 INTEGER NOT NULL, v1 INTEGER GENERATED ALWAYS AS (i2 + 1) VIRTUAL, v2 INTEGER GENERATED ALWAYS AS (i1 / (i1 - i2 + 57)) VIRTUAL, PRIMARY KEY (pk), INDEX idx(i1) ); INSERT INTO t1 (pk, i1, i2) SELECT a0.i1 + a1.i1*10 + a2.i1*100, a0.i1 + a1.i1*10, a0.i1 + a1.i1*10 FROM t0 AS a0, t0 AS a1, t0 AS a2; EXPLAIN SELECT * FROM t1 WHERE i1 > 41 AND i1 <= 43; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL range idx idx 4 NULL 20 100.00 Using index condition; Using MRR Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t1`.`i2` AS `i2`,`test`.`t1`.`v1` AS `v1`,`test`.`t1`.`v2` AS `v2` from `test`.`t1` where ((`test`.`t1`.`i1` > 41) and (`test`.`t1`.`i1` <= 43)) SELECT * FROM t1 WHERE i1 > 41 AND i1 <= 43; pk i1 i2 v1 v2 142 42 42 43 1 143 43 43 44 1 242 42 42 43 1 243 43 43 44 1 342 42 42 43 1 343 43 43 44 1 42 42 42 43 1 43 43 43 44 1 442 42 42 43 1 443 43 43 44 1 542 42 42 43 1 543 43 43 44 1 642 42 42 43 1 643 43 43 44 1 742 42 42 43 1 743 43 43 44 1 842 42 42 43 1 843 43 43 44 1 942 42 42 43 1 943 43 43 44 1 ALTER TABLE t1 ADD INDEX idx2(v1); EXPLAIN SELECT * FROM t1 WHERE v1 > 41 AND v1 <= 43; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL range idx2 idx2 5 NULL 20 100.00 Using where; Using MRR Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t1`.`i2` AS `i2`,`test`.`t1`.`v1` AS `v1`,`test`.`t1`.`v2` AS `v2` from `test`.`t1` where ((`test`.`t1`.`v1` > 41) and (`test`.`t1`.`v1` <= 43)) SELECT * FROM t1 WHERE v1 > 41 AND v1 <= 43; pk i1 i2 v1 v2 141 41 41 42 1 142 42 42 43 1 241 41 41 42 1 242 42 42 43 1 341 41 41 42 1 342 42 42 43 1 41 41 41 42 1 42 42 42 43 1 441 41 41 42 1 442 42 42 43 1 541 41 41 42 1 542 42 42 43 1 641 41 41 42 1 642 42 42 43 1 741 41 41 42 1 742 42 42 43 1 841 41 41 42 1 842 42 42 43 1 941 41 41 42 1 942 42 42 43 1 DROP TABLE t0, t1; set optimizer_switch= @optimizer_switch_save; set @@read_rnd_buffer_size= @read_rnd_buffer_size_save; # # Bug#21872184 CONDITIONAL JUMP AT JOIN_CACHE::WRITE_RECORD_DATA IN # SQL_JOIN_BUFFER.CC # # # Test 1: Dynamic range scan with one covering index # CREATE TABLE t1 ( i1 INTEGER NOT NULL, c1 VARCHAR(1) NOT NULL ); INSERT INTO t1 VALUES (10, 'c'), (10, 'i'), (2, 't'), (4, 'g'); CREATE TABLE t2 ( i1 INTEGER NOT NULL, c1 VARCHAR(1) NOT NULL ); INSERT INTO t2 VALUES (2, 'k'), (9, 'k'), (7, 'o'), (5, 'n'), (7, 'e'); CREATE TABLE t3 ( pk INTEGER NOT NULL, i1 INTEGER, i2_key INTEGER GENERATED ALWAYS AS (i1 + i1) VIRTUAL NOT NULL, PRIMARY KEY (pk) ); # Add a covering index. The reason for this index being covering is that # secondary indexes in InnoDB include the primary key. ALTER TABLE t3 ADD INDEX v_idx (i2_key); INSERT INTO t3 (pk, i1) VALUES (1, 1), (2, 48), (3, 228), (4, 3), (5, 5), (6, 39), (7, 6), (8, 8), (9, 3); CREATE TABLE t4 ( i1 INTEGER NOT NULL, c1 VARCHAR(1) NOT NULL ); INSERT INTO t4 VALUES (1, 'j'), (2, 'c'), (0, 'a'); ANALYZE TABLE t1, t2, t3, t4; Table Op Msg_type Msg_text test.t1 analyze status OK test.t2 analyze status OK test.t3 analyze status OK test.t4 analyze status OK EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL 1 PRIMARY t3 NULL ALL v_idx NULL NULL NULL 9 33.33 Range checked for each record (index map: 0x2) 1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop) 2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`)) SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; c1 i1 c 2 c 5 c 7 c 7 c 9 g 2 g 5 g 7 g 7 g 9 i 2 i 5 i 7 i 7 i 9 t 2 t 2 t 5 t 5 t 7 t 7 t 7 t 7 t 9 t 9 # # Test 2: Two alternative covering indexes for the range scan # ALTER TABLE t3 ADD INDEX v_idx2 (i2_key, i1); EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL 1 PRIMARY t3 NULL ALL v_idx,v_idx2 NULL NULL NULL 9 33.33 Range checked for each record (index map: 0x6) 1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop) 2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`)) SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; c1 i1 c 2 c 5 c 7 c 7 c 9 g 2 g 5 g 7 g 7 g 9 i 2 i 5 i 7 i 7 i 9 t 2 t 2 t 5 t 5 t 7 t 7 t 7 t 7 t 9 t 9 # # Test 3: One covering index including the base column for the virtual # column # # Drop the index with only the virtual column ALTER TABLE t3 DROP INDEX v_idx; EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL 1 PRIMARY t3 NULL ALL v_idx2 NULL NULL NULL 9 33.33 Range checked for each record (index map: 0x2) 1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop) 2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`)) SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; c1 i1 c 2 c 5 c 7 c 7 c 9 g 2 g 5 g 7 g 7 g 9 i 2 i 5 i 7 i 7 i 9 t 2 t 2 t 5 t 5 t 7 t 7 t 7 t 7 t 9 t 9 # # Test 4: One non-covering index # # Drop the index on two columns, add index on just one virtual column ALTER TABLE t3 DROP INDEX v_idx2; ALTER TABLE t3 ADD INDEX v_idx (i2_key); # Add more data to the table so that it will run the dynamic range scan # as both table scan and range scan (the purpose of this is to make the # table scan more expensive). INSERT INTO t3 (pk, i1) VALUES (10,1), (11,1), (12,1), (13,1), (14,1),(15,1), (16,1),(17,1), (18,1), (19,1), (20,1), (21,1), (22,1), (23,1), (24,1),(25,1),(26,1),(27,1), (28,1), (29,1); # Change the query to read an extra column (t3.i1) making the index # non-covering. EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1, t3.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL 1 PRIMARY t3 NULL ALL v_idx NULL NULL NULL 29 33.33 Range checked for each record (index map: 0x2) 1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using join buffer (Block Nested Loop) 2 SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1`,`test`.`t3`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,`test`.`t3`.`pk` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`i1` from `test`.`t4` where (`test`.`t4`.`c1` < 'o') ), <primary_index_lookup>(`test`.`t3`.`pk` in <temporary table> on <auto_key> where ((`test`.`t3`.`pk` = `materialized-subquery`.`i1`))))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`)) SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1, t3.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' ) ) AND t1.i1 <= t3.i2_key; c1 i1 i1 c 2 48 c 5 48 c 7 48 c 7 48 c 9 48 g 2 48 g 5 48 g 7 48 g 7 48 g 9 48 i 2 48 i 5 48 i 7 48 i 7 48 i 9 48 t 2 1 t 2 48 t 5 1 t 5 48 t 7 1 t 7 1 t 7 48 t 7 48 t 9 1 t 9 48 # # Test 5: Test where the added primary key to secondary indexes is # used after it has been included in the join buffer # EXPLAIN SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' and t4.i1 < (t2.i1 + 1) ) ) AND t1.i1 <= t3.i2_key; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 4 100.00 NULL 1 PRIMARY t3 NULL ALL v_idx NULL NULL NULL 29 33.33 Range checked for each record (index map: 0x2) 1 PRIMARY t2 NULL ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (Block Nested Loop) 2 DEPENDENT SUBQUERY t4 NULL ALL NULL NULL NULL NULL 3 33.33 Using where Warnings: Note 1276 Field or reference 'test.t2.i1' of SELECT #2 was resolved in SELECT #1 Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) */ `test`.`t1`.`c1` AS `c1`,`test`.`t2`.`i1` AS `i1` from `test`.`t1` straight_join `test`.`t3` straight_join `test`.`t2` where (<in_optimizer>(`test`.`t3`.`pk`,<exists>(/* select#2 */ select /*+ QB_NAME(`subq1`) */ 1 from `test`.`t4` where ((`test`.`t4`.`c1` < 'o') and (`test`.`t4`.`i1` < (`test`.`t2`.`i1` + 1)) and (<cache>(`test`.`t3`.`pk`) = `test`.`t4`.`i1`)))) and (`test`.`t1`.`i1` <= `test`.`t3`.`i2_key`)) SELECT /*+ NO_SEMIJOIN(@subq1) */ t1.c1, t2.i1 FROM t1 STRAIGHT_JOIN t3 STRAIGHT_JOIN t2 WHERE ( t3.pk IN ( SELECT /*+ QB_NAME(subq1) */ t4.i1 FROM t4 WHERE t4.c1 < 'o' and t4.i1 < (t2.i1 + 1) ) ) AND t1.i1 <= t3.i2_key; c1 i1 c 2 c 5 c 7 c 7 c 9 g 2 g 5 g 7 g 7 g 9 i 2 i 5 i 7 i 7 i 9 t 2 t 2 t 5 t 5 t 7 t 7 t 7 t 7 t 9 t 9 DROP TABLE t1, t2, t3, t4; SET optimizer_switch='derived_merge=default'; DROP VIEW IF EXISTS v1,v2; DROP TABLE IF EXISTS t1,t2,t3; DROP PROCEDURE IF EXISTS p1; DROP FUNCTION IF EXISTS f1; DROP TRIGGER IF EXISTS trg1; DROP TRIGGER IF EXISTS trg2; set sql_warnings = 0;
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