docs: adds OR sample #1092
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@@ -12,3 +12,4 @@ system-test/*key.json | |
| .DS_Store | ||
| package-lock.json | ||
| __pycache__ | ||
| .vscode | ||
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| // Copyright 2023 Google LLC | ||
| // | ||
| // Licensed 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 | ||
| // | ||
| // https://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. | ||
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| 'use strict'; | ||
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| // sample-metadata: | ||
| // title: Create a union between two filters | ||
| // description: Create a union between two filters (logical OR operator) | ||
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| async function main() { | ||
| // [START datastore_query_filter_or] | ||
| /** | ||
| * TODO(developer): Uncomment these variables before running the sample. | ||
| */ | ||
| // const projectId = "your Google Cloud project id"; | ||
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| // Imports the Cloud Datastore | ||
| const {Datastore, PropertyFilter, or} = require('@google-cloud/datastore'); | ||
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| async function queryFilterOr() { | ||
| // Instantiate the Datastore | ||
| const datastore = new Datastore(); | ||
| const query = datastore | ||
| .createQuery('Task') | ||
| .filter( | ||
| or([ | ||
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| new PropertyFilter('description', '=', 'Buy milk'), | ||
| new PropertyFilter('description', '=', 'Feed cats'), | ||
| ]) | ||
| ); | ||
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| const [entities] = await datastore.runQuery(query); | ||
| for (const entity of entities) { | ||
| console.log(`Entity found: ${entity['description']}`); | ||
| } | ||
| } | ||
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| await queryFilterOr(); | ||
| // [END datastore_query_filter_or] | ||
| } | ||
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| exports.queryFilterOr = main; | ||
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| // Copyright 2023 Google LLC | ||
| // | ||
| // Licensed 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. | ||
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| /* eslint-disable */ | ||
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| 'use strict'; | ||
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| const path = require('path'); | ||
| const {assert} = require('chai'); | ||
| const {describe, it, after, before} = require('mocha'); | ||
| const sinon = require('sinon'); | ||
| const {Datastore} = require('@google-cloud/datastore'); | ||
| const datastore = new Datastore(); | ||
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| const {queryFilterOr} = require('../queryFilterOr'); | ||
| let taskKey1, taskKey2; | ||
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| describe('Creating a union query', () => { | ||
| const stubConsole = function () { | ||
| sinon.stub(console, 'error'); | ||
| sinon.stub(console, 'log'); | ||
| }; | ||
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| const restoreConsole = function () { | ||
| console.log.restore(); | ||
| console.error.restore(); | ||
| }; | ||
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| beforeEach(stubConsole); | ||
| afterEach(restoreConsole); | ||
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| before(async () => { | ||
| taskKey1 = datastore.key('Task'); | ||
| const entity1 = { | ||
| key: taskKey1, | ||
| data: { | ||
| description: 'Buy milk', | ||
| }, | ||
| }; | ||
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| taskKey2 = datastore.key('Task'); | ||
| const entity2 = { | ||
| key: taskKey2, | ||
| data: { | ||
| description: 'Feed cats', | ||
| }, | ||
| }; | ||
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| await datastore.upsert(entity1); | ||
| await datastore.upsert(entity2); | ||
| }); | ||
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| after(async () => { | ||
| await datastore.delete(taskKey1); | ||
| await datastore.delete(taskKey2); | ||
| }); | ||
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| it('should get a combination of items from the Datastore', async () => { | ||
| await queryFilterOr(); | ||
| assert.include(console.log.firstCall.args[0], 'Entity'); | ||
| }); | ||
| }); |
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This is great. Now these functions are directly available to the user.