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Enabled HA_NULL_IN_KEY support

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2004-08-31 10:19:10 +02:00
parent 2e86cdb179
commit c52a30b5df
5 changed files with 178 additions and 57 deletions
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45
mysql-test/r/ndb_index_ordered.result
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@ -212,3 +212,48 @@ select count(*) from t1 where b = 1;
count(*)
1
drop table t1;
CREATE TABLE t1 (
a int unsigned NOT NULL PRIMARY KEY,
b int unsigned,
c int unsigned,
KEY bc(b,c)
) engine = ndb;
insert into t1 values(1,1,1),(2,NULL,2),(3,NULL,NULL),(4,4,NULL);
select * from t1 use index (bc) where b IS NULL;
a b c
3 NULL NULL
2 NULL 2
select * from t1 use index (bc)order by a;
a b c
1 1 1
2 NULL 2
3 NULL NULL
4 4 NULL
select * from t1 use index (bc) order by a;
a b c
1 1 1
2 NULL 2
3 NULL NULL
4 4 NULL
select * from t1 use index (PRIMARY) where b IS NULL order by a;
a b c
2 NULL 2
3 NULL NULL
select * from t1 use index (bc) where b IS NULL order by a;
a b c
2 NULL 2
3 NULL NULL
select * from t1 use index (bc) where b IS NULL and c IS NULL order by a;
a b c
3 NULL NULL
select * from t1 use index (bc) where b IS NULL and c = 2 order by a;
a b c
2 NULL 2
select * from t1 use index (bc) where b < 4 order by a;
a b c
1 1 1
select * from t1 use index (bc) where b IS NOT NULL order by a;
a b c
1 1 1
4 4 NULL
drop table t1;