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queryFilterOr.js
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queryFilterOr.js
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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.
'use strict';
// sample-metadata:
// title: Create a union between two filters
// description: Create a union between two filters (logical OR operator)
async function main() {
// [START datastore_query_filter_or]
/**
* TODO(developer): Uncomment these variables before running the sample.
*/
// const projectId = "your Google Cloud project id";
// Imports the Cloud Datastore
const {Datastore, PropertyFilter, or} = require('@google-cloud/datastore');
async function queryFilterOr() {
// Instantiate the Datastore
const datastore = new Datastore();
const query = datastore
.createQuery('Task')
.filter(
or([
new PropertyFilter('description', '=', 'Buy milk'),
new PropertyFilter('description', '=', 'Feed cats'),
])
);
const [entities] = await datastore.runQuery(query);
entities.sort();
for (const entity of entities) {
console.log(`Entity found: ${entity['description']}`);
}
}
queryFilterOr();
// [END datastore_query_filter_or]
}
const args = process.argv.slice(2);
main(...args).catch(console.error);