| /* |
| * 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.phoenix.end2end; |
| |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.ResultSet; |
| import java.sql.Statement; |
| import java.util.Properties; |
| |
| import org.apache.hadoop.hbase.client.Consistency; |
| import org.apache.phoenix.jdbc.PhoenixConnection; |
| import org.apache.phoenix.util.PhoenixRuntime; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.apache.phoenix.util.QueryUtil; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * |
| * Basic tests for Alter Session Statements |
| * |
| */ |
| public class AlterSessionIT extends ParallelStatsDisabledIT { |
| |
| private String tableName; |
| |
| @Before |
| public void initTable() throws Exception { |
| tableName = generateUniqueName(); |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| try (Connection conn = DriverManager.getConnection(getUrl(), props)) { |
| conn.createStatement().execute( |
| "create table " + tableName + " (col1 varchar primary key)"); |
| } |
| } |
| |
| @Test |
| public void testUpdateConsistency() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| try (Connection conn = DriverManager.getConnection(getUrl(), props)) { |
| Statement st = conn.createStatement(); |
| st.execute("alter session set Consistency = 'timeline'"); |
| ResultSet rs = st.executeQuery("explain select * from " + tableName); |
| assertEquals(Consistency.TIMELINE, conn.unwrap(PhoenixConnection.class).getConsistency()); |
| String queryPlan = QueryUtil.getExplainPlan(rs); |
| assertTrue(queryPlan.indexOf("TIMELINE") > 0); |
| |
| // turn off timeline read consistency |
| st.execute("alter session set Consistency = 'strong'"); |
| rs = st.executeQuery("explain select * from " + tableName); |
| queryPlan = QueryUtil.getExplainPlan(rs); |
| assertTrue(queryPlan.indexOf("TIMELINE") < 0); |
| } |
| } |
| |
| @Test |
| public void testSetConsistencyInURL() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| try (Connection conn = DriverManager.getConnection(getUrl() + PhoenixRuntime.JDBC_PROTOCOL_TERMINATOR + |
| "Consistency=TIMELINE", props)) { |
| assertEquals(Consistency.TIMELINE, ((PhoenixConnection)conn).getConsistency()); |
| Statement st = conn.createStatement(); |
| ResultSet rs = st.executeQuery("explain select * from " + tableName); |
| String queryPlan = QueryUtil.getExplainPlan(rs); |
| assertTrue(queryPlan.indexOf("TIMELINE") > 0); |
| conn.close(); |
| } |
| } |
| } |