# File lib/active_record/connection_adapters/postgresql_adapter.rb, line 219
      def initialize(connection, logger, connection_parameters, config)
        super(connection, logger)
        @connection_parameters, @config = connection_parameters, config

        # @local_tz is initialized as nil to avoid warnings when connect tries to use it
        @local_tz = nil
        @table_alias_length = nil
        @postgresql_version = nil

        connect
        @local_tz = execute('SHOW TIME ZONE').first["TimeZone"]
      end