Memperbarui reservasi BI

Perbarui ukuran reservasi BI yang ada. BigQuery BI Engine menggunakan reservasi BI untuk menjalankan analisis dalam memori yang cepat.

Contoh kode

Node.js

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Node.js di Panduan memulai BigQuery menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi BigQuery Node.js API.

Untuk melakukan autentikasi ke BigQuery, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk library klien.

const {ReservationServiceClient} =
  require('@google-cloud/bigquery-reservation').v1;
const {status} = require('@grpc/grpc-js');

const client = new ReservationServiceClient();

/**
 * Updates a BI reservation.
 * A singleton BI reservation always exists with a default size of 0. To reserve
 * BI capacity, you must update the reservation to an amount greater than 0. To
 * release BI capacity, set the reservation size to 0.
 *
 * @param {string} projectId Google Cloud Project ID, for example 'example-project-id'
 * @param {string} location Google Cloud Location, for example 'US'
 */
async function updateBiReservation(projectId, location = 'US') {
  const biReservation = {
    name: client.biReservationPath(projectId, location),
    // Set the reservation size in bytes. This example sets it to 2 GiB.
    size: 2 * 1024 * 1024 * 1024,
  };
  const updateMask = {
    paths: ['size'],
  };

  const request = {
    biReservation,
    updateMask,
  };

  try {
    const [updatedReservation] = await client.updateBiReservation(request);
    console.log(`Updated BI reservation: ${updatedReservation.name}`);
    console.log(`  Size: ${updatedReservation.size} bytes`);
  } catch (err) {
    if (err.code === status.NOT_FOUND) {
      console.log(
        `BI Reservation not found for project ${projectId} in location ${location}.`,
      );
    } else {
      console.error('Error updating BI reservation:', err);
    }
  }
}

Python

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Python di Panduan memulai BigQuery menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi BigQuery Python API.

Untuk melakukan autentikasi ke BigQuery, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk library klien.

from google.api_core import exceptions
from google.cloud import bigquery_reservation_v1
from google.protobuf import field_mask_pb2

client = bigquery_reservation_v1.ReservationServiceClient()


def update_bi_reservation(project_id: str, location: str):
    """Updates a BI reservation.

    A singleton BI reservation always exists with default size 0.
    To reserve BI capacity, update the reservation to an amount
    greater than 0. To release BI capacity, set the reservation size to 0.

    Args:
        project_id: The Google Cloud project ID.
        location: The geographic location of the BI reservation, for example, us-central1.
    """

    name = client.bi_reservation_path(project=project_id, location=location)
    bi_reservation = bigquery_reservation_v1.types.BiReservation()
    bi_reservation.name = name

    # The size of a BI reservation is measured in bytes. 2 GB is used here.
    bi_reservation.size = 2 * 10**9
    update_mask = field_mask_pb2.FieldMask(paths=["size"])

    try:
        response = client.update_bi_reservation(
            bi_reservation=bi_reservation, update_mask=update_mask
        )
        print(f"Updated BI reservation: {response.name}")
        print(f"New size is {response.size} bytes.")
    except exceptions.NotFound:
        print(
            f"BI reservation not found for project '{project_id}' in location '{location}'."
        )

Langkah berikutnya

Untuk menelusuri dan memfilter contoh kode untuk produk Google Cloud lainnya, lihat browser contohGoogle Cloud .