Associative array of string keys and values.
Currently recognized parameters are:
In addition to the above, any run-time parameter that can be set at backend start time might be listed. Such settings will be applied during backend start (after parsing the command-line options if any). The values will act as session defaults.
auto conn = new PGConnection([ "host" : "localhost", "database" : "test", "user" : "postgres", "password" : "postgres" ]);
Opens connection to server.