eantyshev commented on code in PR #22556: URL: https://github.com/apache/beam/pull/22556#discussion_r954915437
########## learning/tour-of-beam/backend/internal/storage/schema.go: ########## @@ -0,0 +1,99 @@ +// Licensed to the Apache Software Foundation (ASF) under one or more +// contributor license agreements. See the NOTICE file distributed with +// this work for additional information regarding copyright ownership. +// The ASF licenses this file to You under the Apache License, Version 2.0 +// (the "License"); you may not use this file except in compliance with +// the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package storage + +import ( + tob "beam.apache.org/learning/tour-of-beam/backend/internal" + "cloud.google.com/go/datastore" +) + +// ToB Datastore schema +// - Content tree has a root entity in tb_learning_path, +// descendant entities in tb_learning_module/group/unit have it as a common ancestor +// - learning path consists of modules, modules consist of either groups or units +// - A group can have only 1 type of children: only units or only groups +// - Ordering is established by "order" property +// - To limit ancestor queries by only first-level descendants, "level" property is used + +const ( + PgNamespace = "Playground" Review Comment: It has now only that meaning as a Datastore namespace everything lives in It doesn't have any references outside the Datastore module If that changes, we make it more general, but not before -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
