--
-- 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');
ERROR:  invalid input syntax for type pg_lsn: "G/0"
LINE 1: INSERT INTO PG_LSN_TBL VALUES ('G/0');
                                       ^
INSERT INTO PG_LSN_TBL VALUES ('-1/0');
ERROR:  invalid input syntax for type pg_lsn: "-1/0"
LINE 1: INSERT INTO PG_LSN_TBL VALUES ('-1/0');
                                       ^
INSERT INTO PG_LSN_TBL VALUES (' 0/12345678');
ERROR:  invalid input syntax for type pg_lsn: " 0/12345678"
LINE 1: INSERT INTO PG_LSN_TBL VALUES (' 0/12345678');
                                       ^
INSERT INTO PG_LSN_TBL VALUES ('ABCD/');
ERROR:  invalid input syntax for type pg_lsn: "ABCD/"
LINE 1: INSERT INTO PG_LSN_TBL VALUES ('ABCD/');
                                       ^
INSERT INTO PG_LSN_TBL VALUES ('/ABCD');
ERROR:  invalid input syntax for type pg_lsn: "/ABCD"
LINE 1: INSERT INTO PG_LSN_TBL VALUES ('/ABCD');
                                       ^
DROP TABLE PG_LSN_TBL;
-- Operators
SELECT '0/16AE7F8' = '0/16AE7F8'::pg_lsn;
 ?column? 
----------
 t
(1 row)

SELECT '0/16AE7F8'::pg_lsn != '0/16AE7F7';
 ?column? 
----------
 t
(1 row)

SELECT '0/16AE7F7' < '0/16AE7F8'::pg_lsn;
 ?column? 
----------
 t
(1 row)

SELECT '0/16AE7F8' > pg_lsn '0/16AE7F7';
 ?column? 
----------
 t
(1 row)

SELECT '0/16AE7F7'::pg_lsn - '0/16AE7F8'::pg_lsn; -- No negative results
 ?column? 
----------
       -1
(1 row)

SELECT '0/16AE7F8'::pg_lsn - '0/16AE7F7'::pg_lsn; -- correct
 ?column? 
----------
        1
(1 row)