/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.drill.exec.hive;
import org.apache.hadoop.hive.ql.CommandNeedRetryException;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse;
public class HiveTestUtilities {
/**
* Execute the give <i>query</i> on given <i>hiveDriver</i> instance. If a {@link CommandNeedRetryException}
* exception is thrown, it tries upto 3 times before returning failure.
* @param hiveDriver
* @param query
*/
public static void executeQuery(Driver hiveDriver, String query) {
CommandProcessorResponse response = null;
boolean failed = false;
int retryCount = 3;
try {
response = hiveDriver.run(query);
} catch(CommandNeedRetryException ex) {
if (--retryCount == 0) {
failed = true;
}
}
if (failed || response.getResponseCode() != 0 ) {
throw new RuntimeException(String.format("Failed to execute command '%s', errorMsg = '%s'",
query, (response != null ? response.getErrorMessage() : "")));
}
}
}