drop table if exists t1, t2; select 1 in (1,2,3); 1 in (1,2,3) 1 select 10 in (1,2,3); 10 in (1,2,3) 0 select NULL in (1,2,3); NULL in (1,2,3) NULL select 1 in (1,NULL,3); 1 in (1,NULL,3) 1 select 3 in (1,NULL,3); 3 in (1,NULL,3) 1 select 10 in (1,NULL,3); 10 in (1,NULL,3) NULL select 1.5 in (1.5,2.5,3.5); 1.5 in (1.5,2.5,3.5) 1 select 10.5 in (1.5,2.5,3.5); 10.5 in (1.5,2.5,3.5) 0 select NULL in (1.5,2.5,3.5); NULL in (1.5,2.5,3.5) NULL select 1.5 in (1.5,NULL,3.5); 1.5 in (1.5,NULL,3.5) 1 select 3.5 in (1.5,NULL,3.5); 3.5 in (1.5,NULL,3.5) 1 select 10.5 in (1.5,NULL,3.5); 10.5 in (1.5,NULL,3.5) NULL CREATE TABLE t1 (a int, b int, c int); insert into t1 values (1,2,3), (1,NULL,3); select 1 in (a,b,c) from t1; 1 in (a,b,c) 1 1 select 3 in (a,b,c) from t1; 3 in (a,b,c) 1 1 select 10 in (a,b,c) from t1; 10 in (a,b,c) 0 NULL select NULL in (a,b,c) from t1; NULL in (a,b,c) NULL NULL drop table t1; CREATE TABLE t1 (a float, b float, c float); insert into t1 values (1.5,2.5,3.5), (1.5,NULL,3.5); select 1.5 in (a,b,c) from t1; 1.5 in (a,b,c) 1 1 select 3.5 in (a,b,c) from t1; 3.5 in (a,b,c) 1 1 select 10.5 in (a,b,c) from t1; 10.5 in (a,b,c) 0 NULL drop table t1; CREATE TABLE t1 (a varchar(10), b varchar(10), c varchar(10)); insert into t1 values ('A','BC','EFD'), ('A',NULL,'EFD'); select 'A' in (a,b,c) from t1; 'A' in (a,b,c) 1 1 select 'EFD' in (a,b,c) from t1; 'EFD' in (a,b,c) 1 1 select 'XSFGGHF' in (a,b,c) from t1; 'XSFGGHF' in (a,b,c) 0 NULL drop table t1; CREATE TABLE t1 (field char(1)); INSERT INTO t1 VALUES ('A'),(NULL); SELECT * from t1 WHERE field IN (NULL); field SELECT * from t1 WHERE field NOT IN (NULL); field SELECT * from t1 where field = field; field A SELECT * from t1 where field <=> field; field A NULL DELETE FROM t1 WHERE field NOT IN (NULL); SELECT * FROM t1; field A NULL drop table t1; create table t1 (id int(10) primary key); insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9); select * from t1 where id in (2,5,9); id 2 5 9 drop table t1; create table t1 ( a char(1) character set latin1 collate latin1_general_ci, b char(1) character set latin1 collate latin1_swedish_ci, c char(1) character set latin1 collate latin1_danish_ci ); insert into t1 values ('A','B','C'); insert into t1 values ('a','c','c'); select * from t1 where a in (b); ERROR HY000: Illegal mix of collations (latin1_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '=' select * from t1 where a in (b,c); ERROR HY000: Illegal mix of collations (latin1_general_ci,IMPLICIT), (latin1_swedish_ci,IMPLICIT), (latin1_danish_ci,IMPLICIT) for operation ' IN ' select * from t1 where 'a' in (a,b,c); ERROR HY000: Illegal mix of collations for operation ' IN ' select * from t1 where 'a' in (a); a b c A B C a c c select * from t1 where a in ('a'); a b c A B C a c c select * from t1 where 'a' collate latin1_general_ci in (a,b,c); a b c A B C a c c select * from t1 where 'a' collate latin1_bin in (a,b,c); a b c a c c select * from t1 where 'a' in (a,b,c collate latin1_bin); a b c a c c explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin); id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ('a' in (`test`.`t1`.`a`,`test`.`t1`.`b`,(`test`.`t1`.`c` collate latin1_bin))) drop table t1; set names utf8; create table t1 (a char(10) character set utf8 not null); insert into t1 values ('bbbb'),(_koi8r'ÃÃÃÃ'),(_latin1'ÄÄÄÄ'); select a from t1 where a in ('bbbb',_koi8r'ÃÃÃÃ',_latin1'ÄÄÄÄ') order by a; a ÄÄÄÄ bbbb цццц drop table t1; create table t1 (a char(10) character set latin1 not null); insert into t1 values ('a'),('b'),('c'); select a from t1 where a IN ('a','b','c') order by a; a a b c drop table t1; set names latin1; select '1.0' in (1,2); '1.0' in (1,2) 1 select 1 in ('1.0',2); 1 in ('1.0',2) 1 select 1 in (1,'2.0'); 1 in (1,'2.0') 1 select 1 in ('1.0',2.0); 1 in ('1.0',2.0) 1 select 1 in (1.0,'2.0'); 1 in (1.0,'2.0') 1 select 1 in ('1.1',2); 1 in ('1.1',2) 0 select 1 in ('1.1',2.0); 1 in ('1.1',2.0) 0 create table t1 (a char(2) character set binary); insert into t1 values ('aa'), ('bb'); select * from t1 where a in (NULL, 'aa'); a aa drop table t1; create table t1 (id int, key(id)); insert into t1 values (1),(2),(3); select count(*) from t1 where id not in (1); count(*) 2 select count(*) from t1 where id not in (1,2); count(*) 1 drop table t1; DROP TABLE IF EXISTS t1; CREATE TABLE t1 SELECT 1 IN (2, NULL); SELECT should return NULL. SELECT * FROM t1; 1 IN (2, NULL) NULL DROP TABLE t1; End of 4.1 tests CREATE TABLE t1 (a int PRIMARY KEY); INSERT INTO t1 VALUES (44), (45), (46); SELECT * FROM t1 WHERE a IN (45); a 45 SELECT * FROM t1 WHERE a NOT IN (0, 45); a 44 46 SELECT * FROM t1 WHERE a NOT IN (45); a 44 46 CREATE VIEW v1 AS SELECT * FROM t1 WHERE a NOT IN (45); SHOW CREATE VIEW v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` <> 45) latin1 latin1_swedish_ci SELECT * FROM v1; a 44 46 DROP VIEW v1; DROP TABLE t1; create table t1 (a int); insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); create table t2 (a int, filler char(200), key(a)); insert into t2 select C.a*2, 'no' from t1 A, t1 B, t1 C; insert into t2 select C.a*2+1, 'yes' from t1 C; explain select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 5 NULL 12 Using where select * from t2 where a NOT IN (0, 2,4,6,8,10,12,14,16,18); a filler 1 yes 3 yes 5 yes 7 yes 9 yes 11 yes 13 yes 15 yes 17 yes 19 yes explain select * from t2 force index(a) where a NOT IN (2,2,2,2,2,2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 5 NULL 912 Using where explain select * from t2 force index(a) where a <> 2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 5 NULL 912 Using where drop table t2; create table t2 (a datetime, filler char(200), key(a)); insert into t2 select '2006-04-25 10:00:00' + interval C.a minute, 'no' from t1 A, t1 B, t1 C where C.a % 2 = 0; insert into t2 select '2006-04-25 10:00:00' + interval C.a*2+1 minute, 'yes' from t1 C; explain select * from t2 where a NOT IN ( '2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00', '2006-04-25 10:06:00', '2006-04-25 10:08:00'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 9 NULL 18 Using where select * from t2 where a NOT IN ( '2006-04-25 10:00:00','2006-04-25 10:02:00','2006-04-25 10:04:00', '2006-04-25 10:06:00', '2006-04-25 10:08:00'); a filler 2006-04-25 10:01:00 yes 2006-04-25 10:03:00 yes 2006-04-25 10:05:00 yes 2006-04-25 10:07:00 yes 2006-04-25 10:09:00 yes 2006-04-25 10:11:00 yes 2006-04-25 10:13:00 yes 2006-04-25 10:15:00 yes 2006-04-25 10:17:00 yes 2006-04-25 10:19:00 yes drop table t2; create table t2 (a varchar(10), filler char(200), key(a)); insert into t2 select 'foo', 'no' from t1 A, t1 B; insert into t2 select 'barbar', 'no' from t1 A, t1 B; insert into t2 select 'bazbazbaz', 'no' from t1 A, t1 B; insert into t2 values ('fon', '1'), ('fop','1'), ('barbaq','1'), ('barbas','1'), ('bazbazbay', '1'),('zz','1'); explain select * from t2 where a not in('foo','barbar', 'bazbazbaz'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 13 NULL 7 Using where drop table t2; create table t2 (a decimal(10,5), filler char(200), key(a)); insert into t2 select 345.67890, 'no' from t1 A, t1 B; insert into t2 select 43245.34, 'no' from t1 A, t1 B; insert into t2 select 64224.56344, 'no' from t1 A, t1 B; insert into t2 values (0, '1'), (22334.123,'1'), (33333,'1'), (55555,'1'), (77777, '1'); explain select * from t2 where a not in (345.67890, 43245.34, 64224.56344); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range a a 7 NULL 7 Using where select * from t2 where a not in (345.67890, 43245.34, 64224.56344); a filler 0.00000 1 22334.12300 1 33333.00000 1 55555.00000 1 77777.00000 1 drop table t2; create table t2 (a int, key(a), b int); insert into t2 values (1,1),(2,2); set @cnt= 1; set @str="update t2 set b=1 where a not in ("; select count(*) from ( select @str:=concat(@str, @cnt:=@cnt+1, ",") from t1 A, t1 B, t1 C, t1 D) Z; count(*) 10000 set @str:=concat(@str, "10000)"); select substr(@str, 1, 50); substr(@str, 1, 50) update t2 set b=1 where a not in (2,3,4,5,6,7,8,9, prepare s from @str; execute s; deallocate prepare s; set @str=NULL; drop table t2; drop table t1; create table t1 ( some_id smallint(5) unsigned, key (some_id) ); insert into t1 values (1),(2); select some_id from t1 where some_id not in(2,-1); some_id 1 select some_id from t1 where some_id not in(-4,-1,-4); some_id 1 2 select some_id from t1 where some_id not in(-4,-1,3423534,2342342); some_id 1 2 select some_id from t1 where some_id not in('-1', '0'); some_id 1 2 drop table t1; CREATE TABLE t1 (a int, b int, PRIMARY KEY (a)); INSERT INTO t1 VALUES (1,1),(2,1),(3,1),(4,1),(5,1),(6,1); CREATE TABLE t2 (a int, b int, PRIMARY KEY (a)); INSERT INTO t2 VALUES (3,2),(4,2),(100,100),(101,201),(102,102); CREATE TABLE t3 (a int PRIMARY KEY); INSERT INTO t3 VALUES (1),(2),(3),(4); CREATE TABLE t4 (a int PRIMARY KEY,b int); INSERT INTO t4 VALUES (1,1),(2,2),(1000,1000),(1001,1001),(1002,1002), (1003,1003),(1004,1004); EXPLAIN SELECT STRAIGHT_JOIN * FROM t3 JOIN t1 ON t3.a=t1.a JOIN t2 ON t3.a=t2.a JOIN t4 WHERE t4.a IN (t1.b, t2.b); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 index PRIMARY PRIMARY 4 NULL 4 Using index 1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 1 SIMPLE t4 ALL PRIMARY NULL NULL NULL 7 Range checked for each record (index map: 0x1) SELECT STRAIGHT_JOIN * FROM t3 JOIN t1 ON t3.a=t1.a JOIN t2 ON t3.a=t2.a JOIN t4 WHERE t4.a IN (t1.b, t2.b); a a b a b a b 3 3 1 3 2 1 1 3 3 1 3 2 2 2 4 4 1 4 2 1 1 4 4 1 4 2 2 2 EXPLAIN SELECT STRAIGHT_JOIN (SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b)) FROM t3, t1, t2 WHERE t3.a=t1.a AND t3.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t3 index PRIMARY PRIMARY 4 NULL 4 Using index 1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 2 DEPENDENT SUBQUERY t4 index NULL PRIMARY 4 NULL 7 Using where; Using index SELECT STRAIGHT_JOIN (SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b)) FROM t3, t1, t2 WHERE t3.a=t1.a AND t3.a=t2.a; (SELECT SUM(t4.a) FROM t4 WHERE t4.a IN (t1.b, t2.b)) 3 3 DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(a BIGINT UNSIGNED); INSERT INTO t1 VALUES (0xFFFFFFFFFFFFFFFF); SELECT * FROM t1 WHERE a=-1 OR a=-2 ; a SELECT * FROM t1 WHERE a IN (-1, -2); a CREATE TABLE t2 (a BIGINT UNSIGNED); insert into t2 values(13491727406643098568), (0x7fffffefffffffff), (0x7ffffffeffffffff), (0x7fffffffefffffff), (0x7ffffffffeffffff), (0x7fffffffffefffff), (0x7ffffffffffeffff), (0x7fffffffffffefff), (0x7ffffffffffffeff), (0x7fffffffffffffef), (0x7ffffffffffffffe), (0x7fffffffffffffff), (0x8000000000000000), (0x8000000000000001), (0x8000000000000002), (0x8000000000000300), (0x8000000000000400), (0x8000000000000401), (0x8000000000004001), (0x8000000000040001), (0x8000000000400001), (0x8000000004000001), (0x8000000040000001), (0x8000000400000001), (0x8000004000000001), (0x8000040000000001); SELECT HEX(a) FROM t2 WHERE a IN (CAST(0xBB3C3E98175D33C8 AS UNSIGNED), 42); HEX(a) BB3C3E98175D33C8 SELECT HEX(a) FROM t2 WHERE a IN (CAST(0xBB3C3E98175D33C8 AS UNSIGNED), CAST(0x7fffffffffffffff AS UNSIGNED), CAST(0x8000000000000000 AS UNSIGNED), CAST(0x8000000000000400 AS UNSIGNED), CAST(0x8000000000000401 AS UNSIGNED), 42); HEX(a) BB3C3E98175D33C8 7FFFFFFFFFFFFFFF 8000000000000000 8000000000000400 8000000000000401 SELECT HEX(a) FROM t2 WHERE a IN (CAST(0x7fffffffffffffff AS UNSIGNED), CAST(0x8000000000000001 AS UNSIGNED)); HEX(a) 7FFFFFFFFFFFFFFF 8000000000000001 SELECT HEX(a) FROM t2 WHERE a IN (CAST(0x7ffffffffffffffe AS UNSIGNED), CAST(0x7fffffffffffffff AS UNSIGNED)); HEX(a) 7FFFFFFFFFFFFFFE 7FFFFFFFFFFFFFFF SELECT HEX(a) FROM t2 WHERE a IN (0x7ffffffffffffffe, 0x7fffffffffffffff, 'abc'); HEX(a) 7FFFFFFFFFFFFFFE 7FFFFFFFFFFFFFFF CREATE TABLE t3 (a BIGINT UNSIGNED); INSERT INTO t3 VALUES (9223372036854775551); SELECT HEX(a) FROM t3 WHERE a IN (9223372036854775807, 42); HEX(a) CREATE TABLE t4 (a DATE); INSERT INTO t4 VALUES ('1972-02-06'), ('1972-07-29'); SELECT * FROM t4 WHERE a IN ('1972-02-06','19772-07-29'); a 1972-02-06 Warnings: Warning 1292 Incorrect datetime value: '19772-07-29' DROP TABLE t1,t2,t3,t4; CREATE TABLE t1 (id int not null); INSERT INTO t1 VALUES (1),(2); SELECT id FROM t1 WHERE id IN(4564, (SELECT IF(1=0,1,1/0)) ); id DROP TABLE t1; End of 5.0 tests create table t1(f1 char(1)); insert into t1 values ('a'),('b'),('1'); select f1 from t1 where f1 in ('a',1); f1 a 1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'b' select f1, case f1 when 'a' then '+' when 1 then '-' end from t1; f1 case f1 when 'a' then '+' when 1 then '-' end a + b NULL 1 - Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'b' create index t1f1_idx on t1(f1); select f1 from t1 where f1 in ('a',1); f1 1 a Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'b' explain select f1 from t1 where f1 in ('a',1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index t1f1_idx t1f1_idx 2 NULL 3 Using where; Using index select f1 from t1 where f1 in ('a','b'); f1 a b explain select f1 from t1 where f1 in ('a','b'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index t1f1_idx t1f1_idx 2 NULL 3 Using where; Using index select f1 from t1 where f1 in (2,1); f1 1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'a' Warning 1292 Truncated incorrect DOUBLE value: 'b' explain select f1 from t1 where f1 in (2,1); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index t1f1_idx t1f1_idx 2 NULL 3 Using where; Using index create table t2(f2 int, index t2f2(f2)); insert into t2 values(0),(1),(2); select f2 from t2 where f2 in ('a',2); f2 0 2 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'a' Warning 1292 Truncated incorrect DOUBLE value: 'a' Warning 1292 Truncated incorrect DOUBLE value: 'a' explain select f2 from t2 where f2 in ('a',2); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index select f2 from t2 where f2 in ('a','b'); f2 0 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'a' Warning 1292 Truncated incorrect DOUBLE value: 'b' explain select f2 from t2 where f2 in ('a','b'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'a' Warning 1292 Truncated incorrect DOUBLE value: 'b' select f2 from t2 where f2 in (1,'b'); f2 0 1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'b' Warning 1292 Truncated incorrect DOUBLE value: 'b' explain select f2 from t2 where f2 in (1,'b'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index t2f2 t2f2 5 NULL 3 Using where; Using index drop table t1, t2; create table t1 (a time, key(a)); insert into t1 values (),(),(),(),(),(),(),(),(),(); select a from t1 where a not in (a,a,a) group by a; a drop table t1; create table t1 (id int); select * from t1 where NOT id in (select null union all select 1); id select * from t1 where NOT id in (null, 1); id drop table t1; CREATE TABLE t1(c0 INTEGER, c1 INTEGER, c2 INTEGER); INSERT INTO t1 VALUES(1, 1, 1), (1, 1, 1); SELECT CASE AVG (c0) WHEN c1 * c2 THEN 1 END FROM t1; CASE AVG (c0) WHEN c1 * c2 THEN 1 END 1 SELECT CASE c1 * c2 WHEN SUM(c0) THEN 1 WHEN AVG(c0) THEN 2 END FROM t1; CASE c1 * c2 WHEN SUM(c0) THEN 1 WHEN AVG(c0) THEN 2 END 2 SELECT CASE c1 WHEN c1 + 1 THEN 1 END, ABS(AVG(c0)) FROM t1; CASE c1 WHEN c1 + 1 THEN 1 END ABS(AVG(c0)) NULL 1.0000 DROP TABLE t1; CREATE TABLE t1(a TEXT, b INT, c INT UNSIGNED, d DECIMAL(12,2), e REAL); INSERT INTO t1 VALUES('iynfj', 1, 1, 1, 1); INSERT INTO t1 VALUES('innfj', 2, 2, 2, 2); SELECT SUM( DISTINCT a ) FROM t1 GROUP BY a HAVING a IN ( AVG( 1 ), 1 + a); SUM( DISTINCT a ) SELECT SUM( DISTINCT b ) FROM t1 GROUP BY b HAVING b IN ( AVG( 1 ), 1 + b); SUM( DISTINCT b ) 1 SELECT SUM( DISTINCT c ) FROM t1 GROUP BY c HAVING c IN ( AVG( 1 ), 1 + c); SUM( DISTINCT c ) 1 SELECT SUM( DISTINCT d ) FROM t1 GROUP BY d HAVING d IN ( AVG( 1 ), 1 + d); SUM( DISTINCT d ) 1.00 SELECT SUM( DISTINCT e ) FROM t1 GROUP BY e HAVING e IN ( AVG( 1 ), 1 + e); SUM( DISTINCT e ) 1 SELECT SUM( DISTINCT e ) FROM t1 GROUP BY b,c,d HAVING (b,c,d) IN ((AVG( 1 ), 1 + c, 1 + d), (AVG( 1 ), 2 + c, 2 + d)); SUM( DISTINCT e ) DROP TABLE t1; # # Bug #44139: Table scan when NULL appears in IN clause # CREATE TABLE t1 ( c_int INT NOT NULL, c_decimal DECIMAL(5,2) NOT NULL, c_float FLOAT(5, 2) NOT NULL, c_bit BIT(10) NOT NULL, c_date DATE NOT NULL, c_datetime DATETIME NOT NULL, c_timestamp TIMESTAMP NOT NULL, c_time TIME NOT NULL, c_year YEAR NOT NULL, c_char CHAR(10) NOT NULL, INDEX(c_int), INDEX(c_decimal), INDEX(c_float), INDEX(c_bit), INDEX(c_date), INDEX(c_datetime), INDEX(c_timestamp), INDEX(c_time), INDEX(c_year), INDEX(c_char)); INSERT INTO t1 (c_int) VALUES (1), (2), (3), (4), (5); INSERT INTO t1 (c_int) SELECT 0 FROM t1; INSERT INTO t1 (c_int) SELECT 0 FROM t1; EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_int IN (NULL, 1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_int IN (1, NULL, 2, NULL, 3, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_int c_int 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_int IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_int IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (NULL, 1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_decimal c_decimal 3 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_decimal IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_float IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_float c_float 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_float IN (NULL, 1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_float c_float 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_float IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_float IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_bit IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_bit IN (NULL, 1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_bit c_bit 2 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_bit IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_bit IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_date IN ('2009-09-01', '2009-09-02', '2009-09-03'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_date c_date 3 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_date IN (NULL, '2009-09-01', '2009-09-02', '2009-09-03'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_date c_date 3 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_date IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_date IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_datetime IN ('2009-09-01 00:00:01', '2009-09-02 00:00:01', '2009-09-03 00:00:01'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_datetime IN (NULL, '2009-09-01 00:00:01', '2009-09-02 00:00:01', '2009-09-03 00:00:01'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_datetime c_datetime 8 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_datetime IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_datetime IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_timestamp IN ('2009-09-01 00:00:01', '2009-09-01 00:00:02', '2009-09-01 00:00:03'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_timestamp IN (NULL, '2009-09-01 00:00:01', '2009-09-01 00:00:02', '2009-09-01 00:00:03'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_timestamp c_timestamp 4 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_timestamp IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_timestamp IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_year IN (1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_year c_year 1 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_year IN (NULL, 1, 2, 3); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_year c_year 1 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_year IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_year IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_char IN ('1', '2', '3'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_char c_char 10 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_char IN (NULL, '1', '2', '3'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range c_char c_char 10 NULL 3 Using where EXPLAIN SELECT * FROM t1 WHERE c_char IN (NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables EXPLAIN SELECT * FROM t1 WHERE c_char IN (NULL, NULL); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables DROP TABLE t1; # # Bug#54477: Crash on IN / CASE with NULL arguments # CREATE TABLE t1 (a INT); INSERT INTO t1 VALUES (1), (2); SELECT 1 IN (NULL, a) FROM t1; 1 IN (NULL, a) 1 NULL SELECT a IN (a, a) FROM t1 GROUP BY a WITH ROLLUP; a IN (a, a) 1 1 NULL SELECT CASE a WHEN a THEN a END FROM t1 GROUP BY a WITH ROLLUP; CASE a WHEN a THEN a END 1 2 NULL DROP TABLE t1; # # Bug #11766212 59270: NOT IN (YEAR( ... ), ... ) PRODUCES MANY VALGRIND WARNINGS # SELECT 1 IN (YEAR(FROM_UNIXTIME(NULL)) ,1); 1 IN (YEAR(FROM_UNIXTIME(NULL)) ,1) 1 # End of 5.1 tests create table t1 (a bigint, b int); insert t1 values (1,1),(2,2),(3,3); select * from t1 where a in ('2.1'); a b 2 2 select * from t1 where b in ('2.1'); a b select * from t1 where a='2.1'; a b 2 2 select * from t1 where b='2.1'; a b select * from t1 where IF(1,a,a)='2.1'; a b drop table t1;