建立預留項目群組

在特定專案和位置建立預留項目群組。預留項目群組是 BigQuery 預留項目的容器。

程式碼範例

Java

在試用這個範例之前，請先按照「使用用戶端程式庫的 BigQuery 快速入門導覽課程」中的 Java 設定操作說明進行操作。詳情請參閱 BigQuery Java API 參考文件。

如要向 BigQuery 進行驗證，請設定應用程式預設憑證。詳情請參閱「設定用戶端程式庫的驗證機制」。

import com.google.api.gax.rpc.AlreadyExistsException;
import com.google.api.gax.rpc.ApiException;
import com.google.cloud.bigquery.reservation.v1.CreateReservationGroupRequest;
import com.google.cloud.bigquery.reservation.v1.LocationName;
import com.google.cloud.bigquery.reservation.v1.ReservationGroup;
import com.google.cloud.bigquery.reservation.v1.ReservationServiceClient;
import java.io.IOException;

public class CreateReservationGroup {

  /**
   * Creates a new BigQuery reservation group in a given project and location. A reservation group
   * is a container for reservations.
   *
   * @param projectId The Google Cloud project ID (for example, "example-project-id").
   * @param location The geographic location of the reservation group (for example, "us-central1").
   * @param reservationGroupId The ID of the reservation group to create (for example,
   *     "example-reservation-group").
   */
  public static void createReservationGroup(
      String projectId, String location, String reservationGroupId) {
    LocationName parent = LocationName.of(projectId, location);
    ReservationGroup reservationGroup = ReservationGroup.newBuilder().build();

    CreateReservationGroupRequest request =
        CreateReservationGroupRequest.newBuilder()
            .setParent(parent.toString())
            .setReservationGroupId(reservationGroupId)
            .setReservationGroup(reservationGroup)
            .build();

    try (ReservationServiceClient client = ReservationServiceClient.create()) {
      ReservationGroup response = client.createReservationGroup(request);
      System.out.printf("Created reservation group: %s%n", response.getName());
    } catch (AlreadyExistsException err) {
      System.err.printf(
          "error: reservation group '%s' already exists in location '%s' for project '%s': %s%n",
          reservationGroupId, location, projectId, err.getMessage());
    } catch (ApiException | IOException err) {
      System.err.printf(
          "error: failed to create reservation group '%s' in location '%s' for project '%s': %s%n",
          reservationGroupId, location, projectId, err.getMessage());
    }
  }

Node.js

在試用這個範例之前，請先按照「使用用戶端程式庫的 BigQuery 快速入門導覽課程」中的 Node.js 設定操作說明進行操作。詳情請參閱 BigQuery Node.js API 參考文件。

如要向 BigQuery 進行驗證，請設定應用程式預設憑證。詳情請參閱「設定用戶端程式庫的驗證機制」。

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

const client = new ReservationServiceClient();

/**
 * Creates a new reservation group.
 * A reservation group is a container for reservations. This can be useful for
 * managing reservations for different teams or workloads.
 *
 * @param projectId Google Cloud project ID, for example 'example-project-id'.
 * @param location The Google Cloud location where the reservation group will be created, for example 'us-central1'.
 * @param reservationGroupId The ID to use for the reservation group, for example 'example-reservation-group'.
 */
async function createReservationGroup(projectId,
  location = 'us-central1',
  reservationGroupId = 'example-group-reservation',) {
  const request = {
    parent: `projects/${projectId}/locations/${location}`,
    reservationGroupId,
    reservationGroup: {},
  };

  try {
    const [reservationGroup] = await client.createReservationGroup(request);
    console.log(`Created reservation group: ${reservationGroup.name}`);
  } catch (err) {
    if (err.code === status.ALREADY_EXISTS) {
      console.log(
        `Reservation group '${reservationGroupId}' already exists in project '${projectId}' in location '${location}'.`,
      );
    } else {
      console.error('Error creating reservation group:', err);
    }
  }
}

Python

在試用這個範例之前，請先按照「使用用戶端程式庫的 BigQuery 快速入門導覽課程」中的 Python 設定操作說明進行操作。詳情請參閱 BigQuery Python API 參考文件。

如要向 BigQuery 進行驗證，請設定應用程式預設憑證。詳情請參閱「設定用戶端程式庫的驗證機制」。

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


client = bigquery_reservation_v1.ReservationServiceClient()


def create_reservation_group(project_id: str, location: str, reservation_group_id: str):
    """Creates a reservation group.

    A reservation group is a container for reservations.

    Args:
        project_id: The Google Cloud project ID.
        location: The geographic location where the reservation group should be created.
        reservation_group_id: The ID of the reservation group to create.
            It must only contain lower case alphanumeric characters or dashes.
            It must start with a letter and must not end with a dash.
            Its maximum length is 64 characters.
    """
    parent = f"projects/{project_id}/locations/{location}"
    reservation_group = bigquery_reservation_v1.types.ReservationGroup()

    request = bigquery_reservation_v1.CreateReservationGroupRequest(
        parent=parent,
        reservation_group_id=reservation_group_id,
        reservation_group=reservation_group,
    )

    try:
        response = client.create_reservation_group(request=request)
        print(f"Created reservation group: {response.name}")
    except exceptions.AlreadyExists:
        full_reservation_group_name = client.reservation_group_path(
            project_id, location, reservation_group_id
        )
        print(f"Reservation group '{full_reservation_group_name}' already exists.")

後續步驟

如要搜尋及篩選其他 Google Cloud 產品的程式碼範例，請參閱Google Cloud 範例瀏覽工具。