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CreateTableExternalHivePartitioned.java
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CreateTableExternalHivePartitioned.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.bigquery;
// [START bigquery_create_table_external_hivepartitioned]
// [START bigquery_set_hivepartitioningoptions]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.ExternalTableDefinition;
import com.google.cloud.bigquery.FormatOptions;
import com.google.cloud.bigquery.HivePartitioningOptions;
import com.google.cloud.bigquery.TableId;
import com.google.cloud.bigquery.TableInfo;
// Sample to create external table using hive partitioning
public class CreateTableExternalHivePartitioned {
public static void main(String[] args) {
// TODO(developer): Replace these variables before running the sample.
String datasetName = "MY_DATASET_NAME";
String tableName = "MY_TABLE_NAME";
String sourceUri = "gs://cloud-samples-data/bigquery/hive-partitioning-samples/customlayout/*";
String sourceUriPrefix =
"gs://cloud-samples-data/bigquery/hive-partitioning-samples/customlayout/{pkey:STRING}/";
createTableExternalHivePartitioned(datasetName, tableName, sourceUriPrefix, sourceUri);
}
public static void createTableExternalHivePartitioned(
String datasetName, String tableName, String sourceUriPrefix, String sourceUri) {
try {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests.
BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
// Configuring partitioning options
HivePartitioningOptions hivePartitioningOptions =
HivePartitioningOptions.newBuilder()
.setMode("CUSTOM")
.setRequirePartitionFilter(true)
.setSourceUriPrefix(sourceUriPrefix)
.build();
TableId tableId = TableId.of(datasetName, tableName);
ExternalTableDefinition customTable =
ExternalTableDefinition.newBuilder(sourceUri, FormatOptions.parquet())
.setAutodetect(true)
.setHivePartitioningOptions(hivePartitioningOptions)
.build();
bigquery.create(TableInfo.of(tableId, customTable));
System.out.println("External table created using hivepartitioningoptions");
} catch (BigQueryException e) {
System.out.println("External table was not created" + e.toString());
}
}
}
// [END bigquery_set_hivepartitioningoptions]
// [END bigquery_create_table_external_hivepartitioned]