1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
# Initialise
--disable_warnings
drop table if exists t1;
--enable_warnings
#
# Test some ODBC compatibility
#
select {fn length("hello")}, { date "1997-10-20" };
#
# Test retreiving row with last insert_id value.
#
create table t1 (a int not null auto_increment,b int not null,primary key (a,b));
insert into t1 SET A=NULL,B=1;
insert into t1 SET a=null,b=2;
select * from t1 where a is null and b=2;
select * from t1 where a is null;
explain select * from t1 where b is null;
drop table t1;
#
# Bug #14553: NULL in WHERE resets LAST_INSERT_ID
#
CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
INSERT INTO t1 VALUES (NULL);
SELECT a, last_insert_id() FROM t1 WHERE a IS NULL;
SELECT a, last_insert_id() FROM t1 WHERE a IS NULL;
SELECT a, last_insert_id() FROM t1;
DROP TABLE t1;
# End of 4.1 tests
|