Function createIndex

spanner/index-create.js:44–69

()

  const databaseAdminClient = spanner.getDatabaseAdminClient();

  async function createIndex() {
    const request = ['CREATE INDEX AlbumsByAlbumTitle ON Albums(AlbumTitle)'];

    // Creates a new index in the database
    try {
      const [operation] = await databaseAdminClient.updateDatabaseDdl({
        database: databaseAdminClient.databasePath(
          projectId,
          instanceId,
          databaseId
        ),
        statements: request,
      });

      console.log('Waiting for operation to complete...');
      await operation.promise();

      console.log('Added the AlbumsByAlbumTitle index.');
    } catch (err) {
      console.error('Failed to create index:', err.message || err);
    } finally {
      // Close the spanner client when finished.
      // The databaseAdminClient does not require explicit closure. The closure of the Spanner client will automatically close the databaseAdminClient.
      spanner.close();
    }
  }
  createIndex();
  // [END spanner_create_index]
}