# Initialise --disable_warnings drop table if exists t1; --enable_warnings # # test of IN (NULL) # select 1 in (1,2,3); select 10 in (1,2,3); select NULL in (1,2,3); select 1 in (1,NULL,3); select 3 in (1,NULL,3); select 10 in (1,NULL,3); select 1.5 in (1.5,2.5,3.5); select 10.5 in (1.5,2.5,3.5); select NULL in (1.5,2.5,3.5); select 1.5 in (1.5,NULL,3.5); select 3.5 in (1.5,NULL,3.5); select 10.5 in (1.5,NULL,3.5); 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; select 3 in (a,b,c) from t1; select 10 in (a,b,c) from t1; select NULL in (a,b,c) from t1; 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; select 3.5 in (a,b,c) from t1; select 10.5 in (a,b,c) from t1; 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; select 'EFD' in (a,b,c) from t1; select 'XSFGGHF' in (a,b,c) from t1; drop table t1; CREATE TABLE t1 (field char(1)); INSERT INTO t1 VALUES ('A'),(NULL); SELECT * from t1 WHERE field IN (NULL); SELECT * from t1 WHERE field NOT IN (NULL); SELECT * from t1 where field = field; SELECT * from t1 where field <=> field; DELETE FROM t1 WHERE field NOT IN (NULL); SELECT * FROM t1; 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); 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'); --error 1267 select * from t1 where a in (b); --error 1270 select * from t1 where a in (b,c); --error 1271 select * from t1 where 'a' in (a,b,c); select * from t1 where 'a' in (a); select * from t1 where a in ('a'); select * from t1 where 'a' collate latin1_general_ci in (a,b,c); select * from t1 where 'a' collate latin1_bin in (a,b,c); select * from t1 where 'a' in (a,b,c collate latin1_bin); explain extended select * from t1 where 'a' in (a,b,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; drop table t1; # Bug#7834 Illegal mix of collations in IN operator 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; drop table t1; set names latin1; select '1.0' in (1,2); select 1 in ('1.0',2); select 1 in (1,'2.0'); select 1 in ('1.0',2.0); select 1 in (1.0,'2.0'); select 1 in ('1.1',2); select 1 in ('1.1',2.0); # Test case for bug #6365 create table t1 (a char(20) character set binary); insert into t1 values ('aa'), ('bb'); select * from t1 where a in (NULL, 'aa'); drop table t1; # # Bug #11885: WHERE condition with NOT IN (one element) # CREATE TABLE t1 (a int PRIMARY KEY); INSERT INTO t1 VALUES (44), (45), (46); SELECT * FROM t1 WHERE a IN (45); SELECT * FROM t1 WHERE a NOT IN (0, 45); SELECT * FROM t1 WHERE a NOT IN (45); CREATE VIEW v1 AS SELECT * FROM t1 WHERE a NOT IN (45); SHOW CREATE VIEW v1; SELECT * FROM v1; DROP VIEW v1; DROP TABLE t1;