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CreateScheduledQueryWithServiceAccount.java
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CreateScheduledQueryWithServiceAccount.java
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/*
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.bigquerydatatransfer;
// [START bigquerydatatransfer_create_scheduled_query_with_service_account]
import com.google.api.gax.rpc.ApiException;
import com.google.cloud.bigquery.datatransfer.v1.CreateTransferConfigRequest;
import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient;
import com.google.cloud.bigquery.datatransfer.v1.ProjectName;
import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
import com.google.protobuf.Struct;
import com.google.protobuf.Value;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
// Sample to create a scheduled query with service account
public class CreateScheduledQueryWithServiceAccount {
public static void main(String[] args) throws IOException {
// TODO(developer): Replace these variables before running the sample.
final String projectId = "MY_PROJECT_ID";
final String datasetId = "MY_DATASET_ID";
final String serviceAccount = "MY_SERVICE_ACCOUNT";
final String query =
"SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, "
+ "@run_date as intended_run_date, 17 as some_integer";
Map<String, Value> params = new HashMap<>();
params.put("query", Value.newBuilder().setStringValue(query).build());
params.put(
"destination_table_name_template",
Value.newBuilder().setStringValue("my_destination_table_{run_date}").build());
params.put("write_disposition", Value.newBuilder().setStringValue("WRITE_TRUNCATE").build());
params.put("partitioning_field", Value.newBuilder().build());
TransferConfig transferConfig =
TransferConfig.newBuilder()
.setDestinationDatasetId(datasetId)
.setDisplayName("Your Scheduled Query Name")
.setDataSourceId("scheduled_query")
.setParams(Struct.newBuilder().putAllFields(params).build())
.setSchedule("every 24 hours")
.build();
createScheduledQueryWithServiceAccount(projectId, transferConfig, serviceAccount);
}
public static void createScheduledQueryWithServiceAccount(
String projectId, TransferConfig transferConfig, String serviceAccount) throws IOException {
try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) {
ProjectName parent = ProjectName.of(projectId);
CreateTransferConfigRequest request =
CreateTransferConfigRequest.newBuilder()
.setParent(parent.toString())
.setTransferConfig(transferConfig)
.setServiceAccountName(serviceAccount)
.build();
TransferConfig config = dataTransferServiceClient.createTransferConfig(request);
System.out.println(
"\nScheduled query with service account created successfully :" + config.getName());
} catch (ApiException ex) {
System.out.print("\nScheduled query with service account was not created." + ex.toString());
}
}
}
// [END bigquerydatatransfer_create_scheduled_query_with_service_account]