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SELECT EnableLongTransactions();
CREATE TABLE test_locks (id numeric, state varchar);
INSERT INTO test_locks(id) VALUES (1);
INSERT INTO test_locks(id) VALUES (2);
INSERT INTO test_locks(id) VALUES (3);
-- Enable locks checking on the table
SELECT CheckAuth('test_locks', 'id');
-- this has no lock
UPDATE test_locks SET state = 'nolocks';
-- place the lock
SELECT LockRow('test_locks', '1', 'auth1', now()::timestamp+'00:01');
SELECT LockRow('test_locks', '2', 'auth2', now()::timestamp+'00:01');
-- this should fail due to missing auth
UPDATE test_locks SET state = 'unauthorized' where id = 1;
BEGIN;
-- Add authorization for row 1
SELECT AddAuth('auth1');
-- we're authorized for row 1
UPDATE test_locks SET state = 'authorized' where id = 1;
END;
-- Out of transaction we're no more authorized for row 1
UPDATE test_locks SET state = 'unauthorized' where id = 1;
BEGIN;
-- Add authorization for row 2
SELECT AddAuth('auth2');
-- we're authorized for row 2
UPDATE test_locks SET state = 'authorized' where id = 2;
END;
BEGIN;
-- Add authorization for row 2
SELECT AddAuth('auth2');
-- we're *not* authorized for row 1
UPDATE test_locks SET state = 'unauthorized' where id = 1;
END;
UPDATE test_locks SET state = 'unauthorized' where id = 2;
UPDATE test_locks SET state = 'unauthorized' where id = 1;
SELECT * from test_locks;
DROP TABLE test_locks;
SELECT DisableLongTransactions();
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