insert

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 413
      def insert(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil)
        table = sql.split(" ", 4)[2].gsub('"', '')
        super || pk && last_insert_id(table, sequence_name || default_sequence_name(table, pk))
      end