Function createTableWithTimestamp

spanner/timestamp.js:17–69

(instanceId, databaseId, projectId)

'use strict';

async function createTableWithTimestamp(instanceId, databaseId, projectId) {
  // [START spanner_create_table_with_timestamp_column]
  // Imports the Google Cloud client library
  const {Spanner} = require('@google-cloud/spanner');

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'my-project-id';
  // const instanceId = 'my-instance';
  // const databaseId = 'my-database';

  // Creates a client
  const spanner = new Spanner({
    projectId: projectId,
  });

  // Gets a reference to a Cloud Spanner Database Admin Client object
  const databaseAdminClient = spanner.getDatabaseAdminClient();

  // Note: Cloud Spanner interprets Node.js numbers as FLOAT64s, so they
  // must be converted to strings before being inserted as INT64s
  const request = [
    `CREATE TABLE Performances (
        SingerId    INT64 NOT NULL,
        VenueId     INT64 NOT NULL,
        EventDate   DATE,
        Revenue     INT64,
        LastUpdateTime TIMESTAMP NOT NULL OPTIONS (allow_commit_timestamp=true)
      ) PRIMARY KEY (SingerId, VenueId, EventDate),
      INTERLEAVE IN PARENT Singers ON DELETE CASCADE`,
  ];
  try {
    // Creates a table in an existing database
    const [operation] = await databaseAdminClient.updateDatabaseDdl({
      database: databaseAdminClient.databasePath(
        projectId,
        instanceId,
        databaseId
      ),
      statements: request,
    });

    console.log(`Waiting for operation on ${databaseId} to complete...`);

    await operation.promise();

    console.log(`Created table Performances in database ${databaseId}.`);
  } catch (err) {
    console.error('ERROR:', err);
  }
  // [END spanner_create_table_with_timestamp_column]
}

async function insertWithTimestamp(instanceId, databaseId, projectId) {
  // [START spanner_insert_data_with_timestamp_column]