select count(*) as should_be_1 from hs1;
select count(*) as should_be_2 from hs2;
select count(*) as should_be_3 from hs3;
COPY hs1 TO '/tmp/copy_test';
\! cat /tmp/copy_test
select min_value as sequence_min_value from hsseq;
start transaction;
select count(*) as should_be_1 from hs1;
end;
start transaction read only;
select count(*) as should_be_1 from hs1;
end;
start transaction isolation level serializable;
select count(*) as should_be_1 from hs1;
select count(*) as should_be_1 from hs1;
select count(*) as should_be_1 from hs1;
commit;
start transaction;
select count(*) as should_be_1 from hs1;
commit;
start transaction;
select count(*) as should_be_1 from hs1;
abort;
start transaction;
select count(*) as should_be_1 from hs1;
commit;
start transaction;
select count(*) as should_be_1 from hs1;
rollback;
start transaction;
select count(*) as should_be_1 from hs1;
savepoint s;
select count(*) as should_be_2 from hs2;
commit;
start transaction;
select count(*) as should_be_1 from hs1;
savepoint s;
select count(*) as should_be_2 from hs2;
release savepoint s;
select count(*) as should_be_2 from hs2;
savepoint s;
select count(*) as should_be_3 from hs3;
rollback to savepoint s;
select count(*) as should_be_2 from hs2;
commit;
set synchronous_commit = on;
show synchronous_commit;
reset synchronous_commit;
discard temp;
discard all;
START TRANSACTION;
DECLARE hsc CURSOR FOR select * from hs3;
FETCH next from hsc;
fetch first from hsc;
fetch last from hsc;
fetch 1 from hsc;
CLOSE hsc;
COMMIT;
PREPARE hsp AS select count(*) from hs1;
PREPARE hsp_noexec (integer) AS insert into hs1 values ($1);
EXECUTE hsp;
DEALLOCATE hsp;
START TRANSACTION;
LOCK hs1 IN ACCESS SHARE MODE;
LOCK hs1 IN ROW SHARE MODE;
LOCK hs1 IN ROW EXCLUSIVE MODE;
COMMIT;
CHECKPOINT;
discard all;