| /* |
| * 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.ATABLE_NAME; |
| import static org.apache.phoenix.util.TestUtil.TEST_PROPERTIES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.util.PhoenixRuntime; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.junit.Test; |
| |
| |
| public class ReadIsolationLevelIT extends BaseClientManagedTimeIT { |
| private static final String ENTITY_ID1= "000000000000001"; |
| private static final String ENTITY_ID2= "000000000000002"; |
| private static final String VALUE1 = "a"; |
| private static final String VALUE2= "b"; |
| |
| protected static void initTableValues(long ts, byte[][] splits) throws Exception { |
| String tenantId = getOrganizationId(); |
| ensureTableCreated(getUrl(),ATABLE_NAME, ATABLE_NAME, splits, ts-2, null); |
| |
| Properties props = new Properties(); |
| props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts)); |
| Connection upsertConn = DriverManager.getConnection(getUrl(), props); |
| // Insert all rows at ts |
| PreparedStatement stmt = upsertConn.prepareStatement( |
| "upsert into ATABLE VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE1); |
| stmt.execute(); // should commit too |
| |
| stmt.setString(2, ENTITY_ID2); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); // should commit too |
| |
| upsertConn.commit(); |
| upsertConn.close(); |
| } |
| |
| @Test |
| public void testStatementReadIsolationLevel() throws Exception { |
| long ts = nextTimestamp(); |
| initTableValues(ts, null); |
| String query = "SELECT A_STRING FROM ATABLE WHERE ORGANIZATION_ID=? AND ENTITY_ID=?"; |
| Properties props = new Properties(); |
| props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts+1)); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| conn.setAutoCommit(true); |
| props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts+2)); |
| Connection conn2 = DriverManager.getConnection(getUrl(), props); |
| props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts+1)); |
| Connection conn3 = DriverManager.getConnection(getUrl(), props); |
| try { |
| String tenantId = getOrganizationId(); |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| statement.setString(2, ENTITY_ID1); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| |
| // Locate existing row and reset one of it's KVs. |
| // Insert all rows at ts |
| PreparedStatement stmt = conn.prepareStatement("upsert into ATABLE VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); |
| |
| PreparedStatement statement2 = conn2.prepareStatement(query); |
| statement2.setString(1, tenantId); |
| statement2.setString(2, ENTITY_ID1); |
| // Run another query through same connection and make sure |
| // you can find the new row |
| rs = statement2.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE2, rs.getString(1)); |
| assertFalse(rs.next()); |
| |
| PreparedStatement statement3 = conn3.prepareStatement(query); |
| statement3.setString(1, tenantId); |
| statement3.setString(2, ENTITY_ID1); |
| rs = statement3.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| conn2.close(); |
| } |
| } |
| |
| @Test |
| public void testConnectionReadIsolationLevel() throws Exception { |
| long ts = nextTimestamp(); |
| initTableValues(ts, null); |
| String query = "SELECT A_STRING FROM ATABLE WHERE ORGANIZATION_ID=? AND ENTITY_ID=?"; |
| String url = getUrl() + ";" + PhoenixRuntime.CURRENT_SCN_ATTRIB + "=" + (ts+1); |
| Connection conn = DriverManager.getConnection(url, PropertiesUtil.deepCopy(TEST_PROPERTIES)); |
| conn.setAutoCommit(true); |
| try { |
| String tenantId = getOrganizationId(); |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.setString(1, tenantId); |
| statement.setString(2, ENTITY_ID1); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| |
| // Locate existing row and reset one of it's KVs. |
| // Insert all rows at ts |
| PreparedStatement stmt = conn.prepareStatement("upsert into ATABLE VALUES (?, ?, ?)"); |
| stmt.setString(1, tenantId); |
| stmt.setString(2, ENTITY_ID1); |
| stmt.setString(3, VALUE2); |
| stmt.execute(); |
| |
| // Run another query through same connection and make sure |
| // you can't find the new row |
| rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(VALUE1, rs.getString(1)); |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| } |