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Item_func_null doesn't have a separate Item for the first argument anymore.

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args[0] is used instead. This allowed to resuse a lot of code.
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2003-07-16 11:29:16 +05:00
parent 6b52f58255
commit a41a43f99d
8 changed files with 100 additions and 87 deletions
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32
mysql-test/r/func_in.result
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@ -111,3 +111,35 @@ id
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 ' IN '
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
drop table t1;