configure_connection

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 966
        def configure_connection
          if @config[:encoding]
            if @connection.respond_to?(:set_client_encoding)
              @connection.set_client_encoding(@config[:encoding])
            else
              execute("SET client_encoding TO '#{@config[:encoding]}'")
            end
          end
          self.client_min_messages = @config[:min_messages] if @config[:min_messages]
          self.schema_search_path = @config[:schema_search_path] || @config[:schema_order]

          # Use standard-conforming strings if available so we don't have to do the E'...' dance.
          set_standard_conforming_strings

          # If using Active Record's time zone support configure the connection to return
          # TIMESTAMP WITH ZONE types in UTC.
          if ActiveRecord::Base.default_timezone == :utc
            execute("SET time zone 'UTC'")
          elsif @local_tz
            execute("SET time zone '#{@local_tz}'")
          end
        end