def initialize(opts={})
@uri = opts[:uri] || 'postgresql://localhost/rbot_journal'
@conn = PG.connect(@uri)
+ @conn.exec('set client_min_messages = warning')
@version = @conn.exec('SHOW server_version;')[0]['server_version']
@version.gsub!(/^(\d+\.\d+)$/, '\1.0')