createTableRangePartitioned.js

// Copyright 2020 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.

'use strict';

function main(datasetId = 'my_dataset', tableId = 'my_table') {
  // [START bigquery_create_table_range_partitioned]
  // Import the Google Cloud client library
  const {BigQuery} = require('@google-cloud/bigquery');
  const bigquery = new BigQuery();

  async function createTableRangePartitioned() {
    // Creates a new integer range partitioned table named "my_table"
    // in "my_dataset".

    /**
     * TODO(developer): Uncomment the following lines before running the sample.
     */
    // const datasetId = "my_dataset";
    // const tableId = "my_table";

    const schema = [
      {name: 'fullName', type: 'STRING'},
      {name: 'city', type: 'STRING'},
      {name: 'zipcode', type: 'INTEGER'},
    ];

    // To use integer range partitioning, select a top-level REQUIRED or
    // NULLABLE column with INTEGER / INT64 data type. Values that are
    // outside of the range of the table will go into the UNPARTITIONED
    // partition. Null values will be in the NULL partition.
    const rangePartition = {
      field: 'zipcode',
      range: {
        start: 0,
        end: 100000,
        interval: 10,
      },
    };

    // For all options, see https://cloud.google.com/bigquery/docs/reference/v2/tables#resource
    const options = {
      schema: schema,
      rangePartitioning: rangePartition,
    };

    // Create a new table in the dataset
    const [table] = await bigquery
      .dataset(datasetId)
      .createTable(tableId, options);

    console.log(`Table ${table.id} created with integer range partitioning: `);
    console.log(table.metadata.rangePartitioning);
  }
  // [END bigquery_create_table_range_partitioned]
  createTableRangePartitioned(datasetId, tableId);
}
main(...process.argv.slice(2));