Function updateUsingBatchDml

spanner/dml.js:536–585

(instanceId, databaseId, projectId)

}

async function updateUsingBatchDml(instanceId, databaseId, projectId) {
  // [START spanner_dml_batch_update]
  // 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 instance and database
  const instance = spanner.instance(instanceId);
  const database = instance.database(databaseId);

  const insert = {
    sql: `INSERT INTO Albums (SingerId, AlbumId, AlbumTitle, MarketingBudget)
      VALUES (1, 3, "Test Album Title", 10000)`,
  };

  const update = {
    sql: `UPDATE Albums SET MarketingBudget = MarketingBudget * 2
      WHERE SingerId = 1 and AlbumId = 3`,
  };

  const dmlStatements = [insert, update];

  try {
    await database.runTransactionAsync(async transaction => {
      const [rowCounts] = await transaction.batchUpdate(dmlStatements);
      await transaction.commit();
      console.log(
        `Successfully executed ${rowCounts.length} SQL statements using Batch DML.`
      );
    });
  } catch (err) {
    console.error('ERROR:', err);
    throw err;
  } finally {
    // Close the database when finished.
    await database.close();
  }
  // [END spanner_dml_batch_update]
}

async function insertWithCustomTimeoutAndRetrySettings(
  instanceId,