Warning: pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: Connection refused Is the server running on host "127.0.0.1" and accepting TCP/IP connections on port 5432? in /usr/web_root/classes/db_class.php on line 29

Warning: pg_query(): No PostgreSQL link opened yet in /usr/web_root/classes/db_class.php on line 184
select * from category order by ctg_id