/
QueryTotalRows.java
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/
QueryTotalRows.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_query_total_rows]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.QueryJobConfiguration;
import com.google.cloud.bigquery.TableResult;
// Sample to run query total rows
public class QueryTotalRows {
public static void runQueryTotalRows() {
String query =
"SELECT name FROM `bigquery-public-data.usa_names.usa_1910_2013`"
+ " WHERE state = \"TX\""
+ " LIMIT 100";
queryTotalRows(query);
}
public static void queryTotalRows(String query) {
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();
TableResult results = bigquery.query(QueryJobConfiguration.of(query));
System.out.println("Query total rows performed successfully." + results.getTotalRows());
} catch (BigQueryException | InterruptedException e) {
System.out.println("Query not performed \n" + e.toString());
}
}
}
// [END bigquery_query_total_rows]