# ticket 895 is a query optimization problem with the primary key

--source include/have_tokudb.inc
SET DEFAULT_STORAGE_ENGINE = 'tokudb';

--disable_warnings
DROP TABLE IF EXISTS foo;
--enable_warnings

create table foo (a int, b int, c int, d int, primary key (a), key (b), clustering key (c)) engine=TokuDB;
insert into foo values (1,10,100,1000),(2,20,200,2000),(3,30,300,3000),(4,40,400,4000),(5,50,500,5000);

select * from foo use index ();
select b,a from foo;
select * from foo order by c desc;

alter table foo drop primary key;
select * from foo use index ();
select b from foo;
select * from foo order by c desc;

drop table foo;
create table foo (a int, primary key (a))engine=TOkuDB;
insert into foo values (1),(2),(3),(4);
select * from foo;
--error ER_DUP_ENTRY
insert into foo values (2);

insert ignore into foo values (5),(2),(6);
select * From foo;
alter table foo drop primary key;
alter table foo add unique index (a);
--error ER_DUP_ENTRY
insert into foo values (3);
insert ignore into foo values (7),(2),(8);
select * from foo;

drop table foo;
create table foo (a int, b int, c int, d int, primary key (a), key (b), clustering key (c))engine=TokuDB;
insert into foo values (1,10,100,1000),(2,20,200,2000),(3,30,300,3000),(4,40,400,4000),(5,50,500,5000);
select * from foo;
update foo set b=b+1;
select * From foo;
select b,a from foo;
update foo set c=c+1;
select * from foo;
select c,a from foo order by c desc;
update foo set a=a+1 where a=5;
select * from foo;
select a from foo;

delete from foo where a > 3;
select * from foo;
select b,a from foo;
select * from foo order by c desc;


# Final cleanup.
DROP TABLE foo;