database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00
Code Activity

Fixed bug with indexed NULL column <=> NULL

Browse Source 
Fix for Mac OS X shutdown


mysql-test/mysql-test-run.sh:
  Log client error messages
mysql-test/r/null_key.result:
  Test for bug in <=> NULL
mysql-test/t/null_key.test:
  Test for bug in <=> NULL
sql/mysqld.cc:
  Fix for Mac OS X shutdown
sql/opt_range.cc:
  Fixed bug with indexed NULL column <=> NULL
This commit is contained in:
unknown
2002-11-22 13:35:43 +02:00
parent 9b891cee55
commit cb5a2b2fd5
5 changed files with 56 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
mysql-test/t/null_key.test
View File

@@ -135,3 +135,24 @@ select * from t1, t2 where t1.id = t2.id;
alter table t1 add key id (id);
select * from t1, t2 where t1.id = t2.id;
drop table t1,t2;
#
# Check bug when doing <=> NULL on an indexed null field
#
create table t1 (
id integer,
id2 integer not null,
index (id),
index (id2)
);
insert into t1 values(null,null),(1,1);
select * from t1;
select * from t1 where id <=> null;
select * from t1 where id <=> null or id > 0;
select * from t1 where id is null or id > 0;
select * from t1 where id2 <=> null or id2 > 0;
select * from t1 where id2 is null or id2 > 0;
delete from t1 where id <=> NULL;
select * from t1;
drop table t1;