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branches/zip: Add changes that accidentally omitted from r1698:

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innodb-index.test, innodb-index.result: Add a test for creating
a PRIMARY KEY on a column that contains a NULL value.
This commit is contained in:
marko
2007-08-10 15:53:19 +00:00
parent e2052eba27
commit 4d793ff876
2 changed files with 10 additions and 0 deletions
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6
mysql-test/innodb-index.result
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@@ -940,6 +940,7 @@ drop table t1;
create table t1(a int, b blob, c text, d text not null) engine=innodb default charset = utf8;
insert into t1 values (22,repeat('jejdkrun87',220),repeat('jejdkrun87',440),'jejdkrun87');
insert into t1 values (44,repeat('adfd72nh9k',440),repeat('adfd72nh9k',880),'adfd72nh9k');
insert into t1 values (null,null,null,'null');
select count(*) from t1 where a=44;
count(*)
1
@@ -947,10 +948,15 @@ select a,b=repeat(d,10*a),c=repeat(d,20*a) from t1;
a b=repeat(d,10*a) c=repeat(d,20*a)
22 1 1
44 1 1
NULL NULL NULL
select a,length(b),length(c),d from t1;
a length(b) length(c) d
22 2200 4400 jejdkrun87
44 4400 8800 adfd72nh9k
NULL NULL NULL null
alter table t1 add primary key (a), add key (b(20));
ERROR 42000: All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead
delete from t1 where d='null';
alter table t1 add primary key (a), add key (b(20));
select count(*) from t1 where a=44;
count(*)