# Initialise
--disable_warnings
drop table if exists t1;
--enable_warnings

set @@session.sql_auto_is_null=1;

#
# 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;
#Enable after fix MDEV-31307
--disable_ps2_protocol
select * from t1 where a is null and b=2;
select * from t1 where a is null;
--enable_ps2_protocol
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);
#Enable after fix MDEV-31307
--disable_ps2_protocol
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
SELECT sql_no_cache a, last_insert_id() FROM t1 WHERE a IS NULL;
--enable_ps2_protocol
SELECT sql_no_cache a, last_insert_id() FROM t1;
DROP TABLE t1;

# End of 4.1 tests

set @@session.sql_auto_is_null=default;
