Function queryTableWithTimestamp

spanner/timestamp.js:134–178

(instanceId, databaseId, projectId)

}

async function queryTableWithTimestamp(instanceId, databaseId, projectId) {
  // [START spanner_query_new_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,
  });
  let database;
  try {
    // Gets a reference to a Cloud Spanner instance and database
    const instance = spanner.instance(instanceId);
    database = instance.database(databaseId);

    const query = {
      sql: `SELECT SingerId, VenueId, EventDate, Revenue, LastUpdateTime
            FROM Performances
		    ORDER BY LastUpdateTime DESC`,
    };

    // Queries rows from the Performances table
    const [rows] = await database.run(query);

    rows.forEach(row => {
      const json = row.toJSON();
      console.log(
        `SingerId: ${json.SingerId}, VenueId: ${json.VenueId}, EventDate: ${json.EventDate}, Revenue: ${json.Revenue}, LastUpdateTime: ${json.LastUpdateTime}`
      );
    });
  } catch (err) {
    console.error('ERROR:', err);
  } finally {
    // Close the database when finished
    await database.close();
  }
  // [END spanner_query_new_table_with_timestamp_column]
}

async function addTimestampColumn(instanceId, databaseId, projectId) {
  // [START spanner_add_timestamp_column]