刪除預留項目群組

從 BigQuery Reservation API 刪除預留項目群組。預留項目群組必須不含任何子預留項目，才能刪除。

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.ApiException;
import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.bigquery.reservation.v1.DeleteReservationGroupRequest;
import com.google.cloud.bigquery.reservation.v1.ReservationGroupName;
import com.google.cloud.bigquery.reservation.v1.ReservationServiceClient;
import java.io.IOException;

public class DeleteReservationGroup {

  /**
   * Deletes a specified BigQuery reservation group. A reservation group cannot be deleted if it
   * contains any 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 delete (for example,
   *     "example-reservation-group").
   */
  public static void deleteReservationGroup(
      String projectId, String location, String reservationGroupId) {
    ReservationGroupName name =
        ReservationGroupName.of(projectId, location, reservationGroupId);

    DeleteReservationGroupRequest request =
        DeleteReservationGroupRequest.newBuilder().setName(name.toString()).build();

    try (ReservationServiceClient client = ReservationServiceClient.create()) {
      client.deleteReservationGroup(request);
      System.out.printf("Deleted reservation group: '%s'%n", name);
    } catch (NotFoundException err) {
      System.err.printf(
          "error: reservation group '%s' not found in location '%s' for project '%s': %s%n",
          reservationGroupId, location, projectId, err.getMessage());
    } catch (ApiException | IOException err) {
      System.err.printf(
          "error: failed to delete 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();

/**
 * Deletes the specified reservation group.
 * A reservation group can only be deleted if it contains no reservations.
 * @param {string} projectId Google Cloud Project ID, for example 'example-project-id'.
 * @param {string} location Google Cloud Location, for example 'us-central1'.
 * @param {string} reservationGroupId The ID of the reservation group to delete, for example 'example-reservation-group'.
 */
async function deleteReservationGroup(
  projectId,
  location = 'us-central1',
  reservationGroupId = 'example-group-reservation',
) {
  const request = {
    name: client.reservationGroupPath(projectId, location, reservationGroupId),
  };

  try {
    await client.deleteReservationGroup(request);
    console.log(`Deleted reservation group: ${reservationGroupId}`);
  } catch (err) {
    if (err.code === status.NOT_FOUND) {
      console.log(
        `Reservation group ${reservationGroupId} does not exist in location ${location} of project ${projectId}.`,
      );
    } else {
      console.error(
        `Error deleting reservation group ${reservationGroupId}:`,
        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.exceptions import NotFound
from google.cloud import bigquery_reservation_v1


client = bigquery_reservation_v1.ReservationServiceClient()


def delete_reservation_group(project_id: str, location: str, reservation_group_id: str):
    """Deletes a reservation group.

    Note that a reservation group cannot be deleted if it contains any
    reservations.

    Args:
        project_id: The Google Cloud project ID.
        location: The geographic location of the reservation group, for example, us-central1.
        reservation_group_id: The ID of the reservation group to delete.
    """
    name = client.reservation_group_path(project_id, location, reservation_group_id)

    try:
        client.delete_reservation_group(name=name)
        print(f"Deleted reservation group: '{name}'")
    except NotFound:
        print(f"Reservation group '{name}' not found.")

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。