--
-- PG_LSN
--

CREATE TABLE PG_LSN_TBL (f1 pg_lsn);

-- Largest and smallest input
INSERT INTO PG_LSN_TBL VALUES ('0/0');
INSERT INTO PG_LSN_TBL VALUES ('FFFFFFFF/FFFFFFFF');

-- Incorrect input
INSERT INTO PG_LSN_TBL VALUES ('G/0');
INSERT INTO PG_LSN_TBL VALUES ('-1/0');
INSERT INTO PG_LSN_TBL VALUES (' 0/12345678');
INSERT INTO PG_LSN_TBL VALUES ('ABCD/');
INSERT INTO PG_LSN_TBL VALUES ('/ABCD');
DROP TABLE PG_LSN_TBL;

-- Operators
SELECT '0/16AE7F8' = '0/16AE7F8'::pg_lsn;
SELECT '0/16AE7F8'::pg_lsn != '0/16AE7F7';
SELECT '0/16AE7F7' < '0/16AE7F8'::pg_lsn;
SELECT '0/16AE7F8' > pg_lsn '0/16AE7F7';
SELECT '0/16AE7F7'::pg_lsn - '0/16AE7F8'::pg_lsn; -- No negative results
SELECT '0/16AE7F8'::pg_lsn - '0/16AE7F7'::pg_lsn; -- correct