Cloud Storage에서 BigQuery로 반복되는 로드 작업을 예약합니다.
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이 코드 샘플이 포함된 자세한 문서는 다음을 참조하세요.
코드 샘플
자바
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 google cloud storage transfer config
public class CreateCloudStorageTransfer {
public static void main(String[] args) throws IOException {
// TODO(developer): Replace these variables before running the sample.
final String projectId = "MY_PROJECT_ID";
String datasetId = "MY_DATASET_ID";
String tableId = "MY_TABLE_ID";
// GCS Uri
String sourceUri = "gs://cloud-samples-data/bigquery/us-states/us-states.csv";
String fileFormat = "CSV";
String fieldDelimiter = ",";
String skipLeadingRows = "1";
Map<String, Value> params = new HashMap<>();
params.put(
"destination_table_name_template", Value.newBuilder().setStringValue(tableId).build());
params.put("data_path_template", Value.newBuilder().setStringValue(sourceUri).build());
params.put("write_disposition", Value.newBuilder().setStringValue("APPEND").build());
params.put("file_format", Value.newBuilder().setStringValue(fileFormat).build());
params.put("field_delimiter", Value.newBuilder().setStringValue(fieldDelimiter).build());
params.put("skip_leading_rows", Value.newBuilder().setStringValue(skipLeadingRows).build());
TransferConfig transferConfig =
TransferConfig.newBuilder()
.setDestinationDatasetId(datasetId)
.setDisplayName("Your Google Cloud Storage Config Name")
.setDataSourceId("google_cloud_storage")
.setParams(Struct.newBuilder().putAllFields(params).build())
.setSchedule("every 24 hours")
.build();
createCloudStorageTransfer(projectId, transferConfig);
}
public static void createCloudStorageTransfer(String projectId, TransferConfig transferConfig)
throws IOException {
try (DataTransferServiceClient client = DataTransferServiceClient.create()) {
ProjectName parent = ProjectName.of(projectId);
CreateTransferConfigRequest request =
CreateTransferConfigRequest.newBuilder()
.setParent(parent.toString())
.setTransferConfig(transferConfig)
.build();
TransferConfig config = client.createTransferConfig(request);
System.out.println("Cloud storage transfer created successfully :" + config.getName());
} catch (ApiException ex) {
System.out.print("Cloud storage transfer was not created." + ex.toString());
}
}
}
다음 단계
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