/**
* 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.hbase;
import org.junit.Test;
public class TestHBaseConnectionManager extends BaseHBaseTest {
@Test
public void testHBaseConnectionManager() throws Exception{
setColumnWidth(8);
runHBaseSQLVerifyCount("SELECT\n"
+ "row_key\n"
+ "FROM\n"
+ " hbase.`[TABLE_NAME]` tableName"
, 8);
/*
* Simulate HBase connection close and ensure that the connection
* will be reestablished automatically.
*/
storagePlugin.getConnection().close();
runHBaseSQLVerifyCount("SELECT\n"
+ "row_key\n"
+ "FROM\n"
+ " hbase.`[TABLE_NAME]` tableName"
, 8);
/*
* Simulate HBase cluster restart and ensure that running query against
* HBase does not require Drill cluster restart.
*/
HBaseTestsSuite.getHBaseTestingUtility().shutdownMiniHBaseCluster();
HBaseTestsSuite.getHBaseTestingUtility().restartHBaseCluster(1);
runHBaseSQLVerifyCount("SELECT\n"
+ "row_key\n"
+ "FROM\n"
+ " hbase.`[TABLE_NAME]` tableName"
, 8);
}
}