# File lib/tapkit/access/database_context.rb, line 421
                def perform_changes
                        adapter_operations = []
                        @database_operations.each do |dbop|
                                adops = _create_adapter_operations dbop
                                dbop.adapter_operations = adops
                                adapter_operations.concat adops
                        end

                        @adapter_channel.adapter_context.begin_transaction
                        @adapter_channel.perform_adapter_operations adapter_operations
                end