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),(5),(4),(7); analyze table t1,t2,t3; Table Op Msg_type Msg_text test.t1 analyze status Engine-independent statistics collected test.t1 analyze status OK test.t2 analyze status Engine-independent statistics collected test.t2 analyze status OK test.t3 analyze status Engine-independent statistics collected 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ALL NULL NULL NULL NULL 1 select * from t2 where c=-1; a b c 1 -1 -1 explain select * from t2 where c=-1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 ref c c 5 const 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where # 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 const PRIMARY PRIMARY 4 const 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c c 5 NULL 1 Using index condition # 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 const c c 5 const 1 1 SIMPLE t1 ref c c 5 const 2 # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Using where 1 PRIMARY t3 eq_ref c c 5 test.t1.b 1 Using index # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t3 range c c 5 NULL 2 Using where; Using index 1 PRIMARY t1 ref c c 5 test.t3.c 1 # select_type=UNION, type=system # select_type=UNION RESULT, type= 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 5 2 UNION t2 ALL NULL NULL NULL NULL 1 NULL UNION RESULT ALL NULL NULL NULL NULL NULL # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY ALL NULL NULL NULL NULL 5 2 DERIVED t1 ALL NULL NULL NULL NULL 5 ### ### 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL c 5 NULL 5 Using index # SELECT COUNT(DISTINCT ) FROM tbl_name select count(distinct a) from t1; count(distinct a) 3 explain select count(distinct a) from t1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 # SELECT COUNT(DISTINCT ) FROM tbl_name select count(distinct b) from t1; count(distinct b) 3 explain select count(distinct b) from t1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 # SELECT COUNT(DISTINCT ) FROM tbl_name select count(distinct c) from t1; count(distinct c) 3 explain select count(distinct c) from t1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range NULL c 5 NULL 5 Using index for group-by ### ### filesort & range-based utils ### # SELECT * FROM tbl_name WHERE 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c c 5 NULL 2 Using index condition # SELECT * FROM tbl_name WHERE 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where # SELECT * FROM tbl_name WHERE 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where # SELECT * FROM tbl_name WHERE 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c c 5 NULL 2 Using index condition # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort # bug#20022189: WL411:DEBUG ASSERT AT FIELD_LONG::VAL_INT IN SQL/FIELD.CC # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort # 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 ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range PRIMARY PRIMARY 4 NULL 2 Using where; Using filesort # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 index NULL PRIMARY 4 NULL 6 Using where # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where; Using filesort # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c c 5 NULL 2 Using index condition; Using filesort # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 6 Using where; Using filesort # SELECT * FROM tbl_name WHERE ORDER BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t3 range c c 5 NULL 2 Using index condition # SELECT sum() FROM tbl_name GROUP BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using temporary; Using filesort # SELECT sum() FROM tbl_name GROUP BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL c 5 NULL 5 Using index # SELECT sum() FROM tbl_name GROUP BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL c 5 NULL 5 # SELECT sum() FROM tbl_name GROUP BY 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using temporary; Using filesort 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'); Warnings: Note 1265 Data truncated for column 'col_time_nokey' at row 1 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'); Warnings: Note 1265 Data truncated for column 'col_time_nokey' at row 1 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; 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=""; 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 DECIMAL value: 'c' Warning 1292 Truncated incorrect DECIMAL value: 't' Warning 1292 Truncated incorrect DECIMAL value: 'm' Warning 1292 Truncated incorrect DECIMAL value: 'd' Warning 1292 Truncated incorrect DECIMAL value: 'd' DROP TABLE cc; SET sql_mode=@save_old_sql_mode; # # 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; 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 COLUMN b SMALLINT AS (a) VIRTUAL; ALTER TABLE t1 DROP COLUMN b; ALTER TABLE t1 ADD COLUMN c SMALLINT AS (a) VIRTUAL; ALTER TABLE t1 DROP COLUMN c; ALTER TABLE t1 ADD COLUMN d SMALLINT AS (a) VIRTUAL; 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; ERROR 22003: Out of range value for column 'c' at row 1 ALTER TABLE t1 MODIFY c TINYINT AS(a) VIRTUAL; 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; ALTER TABLE t1 CHANGE h i INT AS (a) VIRTUAL, ALGORITHM=COPY; ALTER TABLE t1 ADD COLUMN b SMALLINT AS (a) VIRTUAL, ALGORITHM=COPY, LOCK=NONE; Got one of the listed errors ALTER TABLE t1 ADD COLUMN e SMALLINT AS (a) VIRTUAL, ALGORITHM=COPY, LOCK=NONE; Got one of the listed errors ALTER TABLE t1 ADD COLUMN f SMALLINT AS (a) VIRTUAL, ALGORITHM=COPY, LOCK=SHARED; ERROR 22003: Out of range value for column 'f' at row 1 ALTER TABLE t1 ADD COLUMN g SMALLINT AS (a) VIRTUAL, ALGORITHM=COPY, LOCK=EXCLUSIVE; ERROR 22003: Out of range value for column 'g' at row 1 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 type possible_keys key key_len ref rows Extra 1 SIMPLE b ALL i0008 NULL NULL NULL 1 1 SIMPLE c ALL i0008 NULL NULL NULL 1 Range checked for each record (index map: 0x1) 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 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'cccc' 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 type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range idx idx 4 NULL 20 Using index condition 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 EXPLAIN SELECT * FROM t1 WHERE v1 > 41 AND v1 <= 43; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL # Using where 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, PRIMARY KEY (pk) ); 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 Engine-independent statistics collected test.t1 analyze status OK test.t2 analyze status Engine-independent statistics collected test.t2 analyze status OK test.t3 analyze status Engine-independent statistics collected test.t3 analyze status OK test.t4 analyze status Engine-independent statistics collected 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t4 ALL NULL NULL NULL NULL 3 Using where; Start temporary 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.i1 1 Using where; End temporary 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 Using join buffer (flat, BNL join) 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 # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t4 ALL NULL NULL NULL NULL 3 Using where; Start temporary 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.i1 1 Using where; End temporary 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 Using join buffer (flat, BNL join) 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 # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t4 ALL NULL NULL NULL NULL 3 Using where; Start temporary 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.i1 1 Using where; End temporary 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 Using join buffer (flat, BNL join) 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 # # 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t4 ALL NULL NULL NULL NULL 3 Using where; Start temporary 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.i1 1 Using where; End temporary 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 Using join buffer (flat, BNL join) 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 type possible_keys key key_len ref rows Extra 1 PRIMARY t4 ALL NULL NULL NULL NULL 3 Using where; Start temporary 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t4.i1 1 Using where 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 Using where; End temporary; Using join buffer (flat, BNL join) 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;