# 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 t1;
--enable_warnings
set autocommit=0;

set session transaction isolation level read uncommitted;

create table t1 (n int);
#
# savepoints
#
begin;
savepoint `my_savepoint`;
insert into t1 values (7);
savepoint `savept2`;
insert into t1 values (3);
select n from t1;
savepoint savept3;
rollback to savepoint savept2;
--error 1305
rollback to savepoint savept3;
rollback to savepoint savept2;
release savepoint `my_savepoint`;
select n from t1;
-- error 1305
rollback to savepoint `my_savepoint`;
--error 1305
rollback to savepoint savept2;
insert into t1 values (8);
savepoint sv;
commit;
savepoint sv;
set autocommit=1;
# nop
rollback;
drop table t1;

#
# test rollback to savepoint (that is not last savepoint)
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
select * from t1;
savepoint a;
insert into t1 values (2,20);
select * from t1;
savepoint b;
insert into t1 values (3,30);
rollback to savepoint a;
select * From t1;
rollback;
select * from t1;
drop table t1;

#
# test release of savepoint (that is not last savepoint)
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
select * from t1;
savepoint a;
insert into t1 values (2,20);
select * from t1;
savepoint b;
insert into t1 values (3,30);
release savepoint a;
select * From t1;
rollback;
select * from t1;
drop table t1;

#
# test rollback to savepoints when doing work on same key
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
select * from t1;
savepoint a;
replace into t1 values (1,100);
select * from t1;
savepoint b;
delete from t1 where a=1;
select * from t1;
savepoint c;
update t1 set b=1000 where a=1;
select * from t1;
rollback to savepoint c;
select * From t1;
rollback to savepoint b;
select * from t1;
rollback to savepoint a;
select * from t1;
rollback;
select * from t1;
drop table t1;

#
# test rollback to savepoints when doing work on same key
#
create table t1 (a int, b int, primary key (a));
insert into t1 values (1,1);
select * from t1;
begin;
replace into t1 values (1,10);
select * from t1;
savepoint a;
replace into t1 values (1,100);
select * from t1;
savepoint b;
delete from t1 where a=1;
select * from t1;
savepoint c;
update t1 set b=1000 where a=1;
select * from t1;
rollback to savepoint c;
select * From t1;
rollback to savepoint b;
select * from t1;
rollback to savepoint a;
select * from t1;
rollback;
select * from t1;
drop table t1;



#
# test release of savepoints when doing work on same key
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
select * from t1;
savepoint a;
replace into t1 values (1,100);
select * from t1;
savepoint b;
delete from t1 where a=1;
select * from t1;
savepoint c;
insert into t1 values (2,20);
select * from t1;
release savepoint c;
select * From t1;
release savepoint b;
select * from t1;
release savepoint a;
select * from t1;
commit;
select * from t1;
drop table t1;

#
# test release of savepoints and then rollback of savepoint when doing work on same key
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
select * from t1;
savepoint a;
replace into t1 values (1,100);
select * from t1;
savepoint b;
delete from t1 where a=1;
select * from t1;
savepoint c;
insert into t1 values (2,20);
select * from t1;
release savepoint c;
select * From t1;
rollback to savepoint b;
select * from t1;
release savepoint a;
select * from t1;
rollback;
select * from t1;
drop table t1;



#
# get statement transactions to abort
#
create table t1 (a int, b int, primary key (a));
begin;
insert into t1 values (1,10);
insert into t1 values (2,20);
savepoint a;
insert into t1 values (3,30),(4,40);
--error ER_DUP_ENTRY
insert into t1 values (5,50),(6,60), (3,333), (7,70);
select * from t1;
savepoint b;
insert ignore into t1 values (8,80),(1,100),(9,90);
select * from t1;
rollback to savepoint b;
select * from t1;
rollback to savepoint a;
select * from t1;
insert into t1 value (10,100);
savepoint c;
select * from t1;
release savepoint a;
--error 1305
rollback to savepoint c;
commit;
select * from t1;
drop table t1;