| /* |
| * 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.apache.phoenix.util.TestUtil.analyzeTable; |
| import static org.apache.phoenix.util.TestUtil.getAllSplits; |
| 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.sql.SQLException; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.query.KeyRange; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.apache.phoenix.util.QueryUtil; |
| import org.apache.phoenix.util.TestUtil; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| |
| public class KeyOnlyIT extends ParallelStatsEnabledIT { |
| private String tableName; |
| |
| @Before |
| public void createTable() throws SQLException { |
| tableName = generateUniqueName(); |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| try (Connection conn = DriverManager.getConnection(getUrl(), props)) { |
| conn.createStatement().execute("create table " + tableName + |
| " (i1 integer not null, i2 integer not null\n" + |
| " CONSTRAINT pk PRIMARY KEY (i1,i2))"); |
| } |
| } |
| |
| @Test |
| public void testKeyOnly() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| initTableValues(conn); |
| analyzeTable(conn, tableName); |
| |
| String query = "SELECT i1, i2 FROM " + tableName; |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt(1)); |
| assertEquals(2, rs.getInt(2)); |
| assertTrue(rs.next()); |
| assertEquals(3, rs.getInt(1)); |
| assertEquals(4, rs.getInt(2)); |
| assertFalse(rs.next()); |
| List<KeyRange> splits = getAllSplits(conn, tableName); |
| assertEquals(3, splits.size()); |
| |
| conn.createStatement().execute("ALTER TABLE " + tableName + " ADD s1 varchar"); |
| |
| PreparedStatement stmt = conn.prepareStatement( |
| "upsert into " + |
| tableName + " VALUES (?, ?, ?)"); |
| stmt.setInt(1, 5); |
| stmt.setInt(2, 6); |
| stmt.setString(3, "foo"); |
| stmt.execute(); |
| conn.commit(); |
| |
| analyzeTable(conn, tableName); |
| |
| query = "SELECT i1 FROM " + tableName; |
| statement = conn.prepareStatement(query); |
| rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt(1)); |
| assertTrue(rs.next()); |
| assertEquals(3, rs.getInt(1)); |
| assertTrue(rs.next()); |
| assertEquals(5, rs.getInt(1)); |
| assertFalse(rs.next()); |
| |
| query = "SELECT i1,s1 FROM " + tableName; |
| statement = conn.prepareStatement(query); |
| rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt(1)); |
| assertEquals(null, rs.getString(2)); |
| assertTrue(rs.next()); |
| assertEquals(3, rs.getInt(1)); |
| assertEquals(null, rs.getString(2)); |
| assertTrue(rs.next()); |
| assertEquals(5, rs.getInt(1)); |
| assertEquals("foo", rs.getString(2)); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testOr() throws Exception { |
| Properties props = new Properties(); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| initTableValues(conn); |
| analyzeTable(conn, tableName); |
| |
| String query = "SELECT i1 FROM " + tableName + " WHERE i1 < 2 or i1 = 3"; |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt(1)); |
| assertTrue(rs.next()); |
| assertEquals(3, rs.getInt(1)); |
| assertFalse(rs.next()); |
| } |
| |
| @Test |
| public void testQueryWithLimitAndStats() throws Exception { |
| Properties props = PropertiesUtil.deepCopy(TestUtil.TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| initTableValues(conn, 100); |
| analyzeTable(conn, tableName); |
| |
| String query = "SELECT i1 FROM " + tableName + " LIMIT 1"; |
| ResultSet rs = conn.createStatement().executeQuery(query); |
| assertTrue(rs.next()); |
| assertEquals(0, rs.getInt(1)); |
| assertFalse(rs.next()); |
| |
| rs = conn.createStatement().executeQuery("EXPLAIN " + query); |
| assertEquals("CLIENT SERIAL 1-WAY FULL SCAN OVER " + tableName + "\n" + |
| " SERVER FILTER BY FIRST KEY ONLY\n" + |
| " SERVER 1 ROW LIMIT\n" + |
| "CLIENT 1 ROW LIMIT", QueryUtil.getExplainPlan(rs)); |
| } |
| |
| private void initTableValues(Connection conn) throws Exception { |
| PreparedStatement stmt = conn.prepareStatement( |
| "upsert into " + |
| tableName + " VALUES (?, ?)"); |
| stmt.setInt(1, 1); |
| stmt.setInt(2, 2); |
| stmt.execute(); |
| |
| stmt.setInt(1, 3); |
| stmt.setInt(2, 4); |
| stmt.execute(); |
| |
| conn.commit(); |
| } |
| |
| private void initTableValues(Connection conn, int nRows) throws Exception { |
| PreparedStatement stmt = conn.prepareStatement( |
| "upsert into " + |
| tableName + " VALUES (?, ?)"); |
| for (int i = 0; i < nRows; i++) { |
| stmt.setInt(1, i); |
| stmt.setInt(2, i+1); |
| stmt.execute(); |
| } |
| |
| conn.commit(); |
| } |
| } |