add datastore v1beta3 snippets

datastore/concepts.js

@@ -0,0 +1,141 @@
+'use strict';
+
+var gcloud = require('gcloud')({
+  projectId: process.env.TEST_PROJECT_ID
+});
+
+var datastore = gcloud.datastore();
+
+// [START Entities:incomplete_key]
+var task_key = datastore.key('Task');
+// [END Entities:incomplete_key]
+
+// [START Entities:named_key]
+var task_key = datastore.key([
+  'Task',
+  'sampletask'
+]);
+// [END Entities:named_key]
+
+// [START Entities:key_with_parent]
+var task_key = datastore.key([
+  'TaskList',
+  'default',
+  'Task',
+  'sampleTask'
+]);
+// [END Entities:key_with_parent]
+
+// [START Entities:key_with_multilevel_parent]
+var task_key = datastore.key([
+  'User',
+  'alice',
+  'TaskList',
+  'default',
+  'Task',
+  'sampleTask'
+]);
+// [END Entities:key_with_multilevel_parent]
+
+// [START Consistency:entity_with_parent]
+var task = {
+  key: datastore.key(['TaskList', 'default', 'Task', 'sampleTask']),
+  data: {
+    type: 'Personal',
+    done: false,
+    priority: 4,
+    description: 'Learn Cloud Datastore'
+  }
+};
+// [END Consistency:entity_with_parent]
+
+// [START Entities:properties]
+var taskData = {
+  type: 'Personal',
+  done: false,
+  priority: 4,
+  percent_complete: 10.0,
+  description: 'Learn Cloud Datastore'
+};
+// [END Entities:properties]
+
+// [START Entities:array_value]
+var taskData = {
+  tags: [
+    'fun',
+    'programming'
+  ],
+  collaborators: [
+    'alice',
+    'bob'
+  ]
+};
+// [END Entities:array_value]
+
+// [START Entities:basic_entity]
+var task = {
+  type: 'Personal',
+  done: false,
+  priority: 4,
+  description: 'Learn Cloud Datastore'
+};
+// [END Entities:basic_entity]
+
+// [START Entities:upsert]
+datastore.upsert({
+  key: task_key,
+  data: task
+}, function(err) {});
+// [END Entities:upsert]
+
+// [START Entities:insert]
+datastore.insert({
+  key: task_key,
+  data: task
+}, function(err) {});
+// [END Entities:insert]
+
+// [START Entities:lookup]
+datastore.get(task_key, function(err, entity) {});
+// [End Entities:lookup]
+
+// [START Entities:update]
+datastore.update({
+  key: task_key,
+  data: task
+}, function(err) {});
+// [END Entities:update]
+
+// [START Entities:delete]
+datastore.delete({
+  key: task_key,
+  data: task
+}, function(err) {});
+// [END Entities:delete]
+
+// [START Entities:batch_upsert]
+datastore.upsert([
+  {
+    key: task_key1,
+    data: task1
+  },
+  {
+    key: task_key2
+    data: task2
+  }
+], function(err) {});
+// [END Entities:batch_upsert]
+
+// [START Entities:batch_lookup]
+datastore.get([
+  task_key1,
+  task_key2
+], function(err, entities) {});
+// [END Entities:batch_lookup]
+
+// [START Entities:batch_delete]
+datastore.delete([
+  task_key1,
+  task_key2
+], function(err) {});
+// [END Entities:batch_delete]