~drizzle-trunk/drizzle/development

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#
# SELECT IN () with NULL in IN changes query plan
#
# http://bugs.mysql.com/bug.php?id=44139
# 

drop table if exists foo;

create temporary table foo (
	a int not null auto_increment,
	b int,
	primary key( a )
) engine=myisam;

insert into foo( b ) values (1),(1),(1),(1),(1);
create table t2 as select * from foo;
insert into foo( b ) select b from t2;
drop table t2;
create table t2 as select * from foo;
insert into foo( b ) select b from t2;
drop table t2;
create table t2 as select * from foo;
insert into foo( b ) select b from t2;
drop table t2;
create table t2 as select * from foo;
insert into foo( b ) select b from t2;
drop table t2;
create table t2 as select * from foo;
insert into foo( b ) select b from t2;
drop table t2;

explain select * from foo where a in (160000, 160001, 160002);
explain select * from foo where a in (null, 160000, 160001, 160002);
DROP TABLE foo;