--
-- Hot Standby tests
--
-- hs_standby_allowed.sql
--
-- SELECT
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

select count(*) as should_be_2 from hs2;
 should_be_2 
-------------
           2
(1 row)

select count(*) as should_be_3 from hs3;
 should_be_3 
-------------
           3
(1 row)

COPY hs1 TO '/tmp/copy_test';
\! cat /tmp/copy_test
1
-- Access sequence directly
select min_value as sequence_min_value from hsseq;
 sequence_min_value 
--------------------
                  1
(1 row)

-- Transactions
begin;
select count(*)  as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

end;
begin transaction read only;
select count(*)  as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

end;
begin transaction isolation level serializable;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

commit;
begin;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

commit;
begin;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

abort;
start transaction;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

commit;
begin;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

rollback;
begin;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

savepoint s;
select count(*) as should_be_2 from hs2;
 should_be_2 
-------------
           2
(1 row)

commit;
begin;
select count(*) as should_be_1 from hs1;
 should_be_1 
-------------
           1
(1 row)

savepoint s;
select count(*) as should_be_2 from hs2;
 should_be_2 
-------------
           2
(1 row)

release savepoint s;
select count(*) as should_be_2 from hs2;
 should_be_2 
-------------
           2
(1 row)

savepoint s;
select count(*) as should_be_3 from hs3;
 should_be_3 
-------------
           3
(1 row)

rollback to savepoint s;
select count(*) as should_be_2 from hs2;
 should_be_2 
-------------
           2
(1 row)

commit;
-- SET parameters
-- has no effect on read only transactions, but we can still set it
set synchronous_commit = on;
show synchronous_commit;
 synchronous_commit 
--------------------
 on
(1 row)

reset synchronous_commit;
discard temp;
discard all;
-- CURSOR commands
BEGIN;
DECLARE hsc CURSOR FOR select * from hs3;
FETCH next from hsc;
 col1 
------
  113
(1 row)

fetch first from hsc;
 col1 
------
  113
(1 row)

fetch last from hsc;
 col1 
------
  115
(1 row)

fetch 1 from hsc;
 col1 
------
(0 rows)

CLOSE hsc;
COMMIT;
-- Prepared plans
PREPARE hsp AS select count(*) from hs1;
PREPARE hsp_noexec (integer) AS insert into hs1 values ($1);
EXECUTE hsp;
 count 
-------
     1
(1 row)

DEALLOCATE hsp;
-- LOCK
BEGIN;
LOCK hs1 IN ACCESS SHARE MODE;
LOCK hs1 IN ROW SHARE MODE;
LOCK hs1 IN ROW EXCLUSIVE MODE;
COMMIT;
-- LOAD
-- should work, easier if there is no test for that...
-- ALLOWED COMMANDS
CHECKPOINT;
discard all;
