/*
* Copyright 2011 The Apache Software Foundation
*
* 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.lealone.test.jdbc.transaction;
import static junit.framework.Assert.assertEquals;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.lealone.hbase.util.HBaseUtils;
import org.lealone.test.jdbc.TestBase;
//测试当数据被切分后被移到了不同的region server仍然能识别事务的有效性
public class SplitTest extends TestBase {
@Test
public void run() throws Exception {
stmt.executeUpdate("DROP TABLE IF EXISTS SplitTest");
stmt.executeUpdate("CREATE TABLE IF NOT EXISTS SplitTest (id int primary key, name varchar(500))");
try {
conn.setAutoCommit(false);
for (int i = 1; i <= 50; i++)
stmt.executeUpdate("INSERT INTO SplitTest(id, name) VALUES(" + i + ", 'a1')");
conn.commit();
} finally {
conn.setAutoCommit(true);
}
sql = "SELECT count(*) FROM SplitTest";
assertEquals(50, getIntValue(1, true));
String tableName = "SplitTest".toUpperCase();
printRegions(tableName);
HBaseAdmin admin = HBaseUtils.getHBaseAdmin();
admin.split(Bytes.toBytes(tableName), Bytes.toBytes(20));
Thread.sleep(2000);
admin.split(Bytes.toBytes(tableName), Bytes.toBytes(40));
Thread.sleep(2000);
admin.balancer();
Thread.sleep(2000);
printRegions(tableName);
sql = "SELECT count(*) FROM SplitTest";
assertEquals(50, getIntValue(1, true));
}
}