diff options
Diffstat (limited to 'mysql-test/t/null.test')
| -rw-r--r-- | mysql-test/t/null.test | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mysql-test/t/null.test b/mysql-test/t/null.test index 731f0a4cb34..183308880ed 100644 --- a/mysql-test/t/null.test +++ b/mysql-test/t/null.test @@ -59,7 +59,7 @@ drop table t1; # # Test inserting and updating with NULL # -CREATE TABLE t1 (a varchar(16) NOT NULL, b smallint(6) NOT NULL, c datetime NOT NULL, d smallint(6) NOT NULL); +CREATE TABLE t1 (a varchar(16) NOT NULL default '', b smallint(6) NOT NULL default 0, c datetime NOT NULL default '0000-00-00 00:00:00', d smallint(6) NOT NULL default 0); INSERT INTO t1 SET a = "", d= "2003-01-14 03:54:55"; UPDATE t1 SET d=1/NULL; UPDATE t1 SET d=NULL; @@ -100,9 +100,9 @@ drop table t1; select cast(NULL as signed); # -# Test case for bug #4256 +# IS NULL is unable to use index in range if column is declared not null +# (Bug #4256) # - create table t1(i int, key(i)); insert into t1 values(1); insert into t1 select i*2 from t1; @@ -114,9 +114,12 @@ insert into t1 select i*2 from t1; insert into t1 select i*2 from t1; insert into t1 select i*2 from t1; insert into t1 select i*2 from t1; +insert into t1 values(null); explain select * from t1 where i=2 or i is null; +select count(*) from t1 where i=2 or i is null; alter table t1 change i i int not null; explain select * from t1 where i=2 or i is null; +select count(*) from t1 where i=2 or i is null; drop table t1; # |