| /* |
| * 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.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.Statement; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.apache.phoenix.util.QueryUtil; |
| import org.junit.Test; |
| |
| public class ProjectArrayElemAfterHashJoinIT extends ParallelStatsDisabledIT { |
| |
| @Test |
| public void testSalted() throws Exception { |
| |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| |
| try { |
| String table = createSalted(conn); |
| testTable(conn, table); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| @Test |
| public void testUnsalted() throws Exception { |
| |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| |
| try { |
| String table = createUnsalted(conn); |
| testTable(conn, table); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| private void testTable(Connection conn, String table) throws Exception { |
| |
| verifyExplain(conn, table, false, false); |
| verifyExplain(conn, table, false, true); |
| verifyExplain(conn, table, true, false); |
| verifyExplain(conn, table, true, true); |
| |
| verifyResults(conn, table, false, false); |
| verifyResults(conn, table, false, true); |
| verifyResults(conn, table, true, false); |
| verifyResults(conn, table, true, true); |
| } |
| |
| private String createSalted(Connection conn) throws Exception { |
| |
| String table = "SALTED_" + generateUniqueName(); |
| String create = "CREATE TABLE " + table + " (" |
| + " id INTEGER NOT NULL," |
| + " vals TINYINT[]," |
| + " CONSTRAINT pk PRIMARY KEY (id)" |
| + ") SALT_BUCKETS = 4"; |
| |
| conn.createStatement().execute(create); |
| return table; |
| } |
| |
| private String createUnsalted(Connection conn) throws Exception { |
| |
| String table = "UNSALTED_" + generateUniqueName(); |
| String create = "CREATE TABLE " + table + " (" |
| + " id INTEGER NOT NULL," |
| + " vals TINYINT[]," |
| + " CONSTRAINT pk PRIMARY KEY (id)" |
| + ")"; |
| |
| conn.createStatement().execute(create); |
| return table; |
| } |
| |
| private String getQuery(String table, boolean fullArray, boolean hashJoin) { |
| |
| String query = "SELECT id, vals[1] v1, vals[2] v2, vals[3] v3, vals[4] v4" |
| + (fullArray ? ", vals" : "") |
| + " FROM " + table |
| + " WHERE id IN " |
| + (hashJoin ? "(SELECT 1)" : "(1, 2, 3)") |
| ; |
| |
| return query; |
| } |
| |
| private void verifyExplain(Connection conn, String table, boolean fullArray, boolean hashJoin) |
| throws Exception { |
| |
| String query = "EXPLAIN " + getQuery(table, fullArray, hashJoin); |
| Statement stmt = conn.createStatement(); |
| ResultSet rs = stmt.executeQuery(query); |
| |
| try { |
| String plan = QueryUtil.getExplainPlan(rs); |
| assertTrue(plan != null); |
| assertTrue(fullArray || plan.contains("SERVER ARRAY ELEMENT PROJECTION")); |
| assertTrue(hashJoin == plan.contains("JOIN")); |
| } finally { |
| rs.close(); |
| } |
| } |
| |
| private void verifyResults(Connection conn, String table, boolean fullArray, boolean hashJoin) |
| throws Exception { |
| |
| String upsert = "UPSERT INTO " + table + "(id, vals)" |
| + " VALUES(1, ARRAY[10, 20, 30, 40, 50])"; |
| PreparedStatement upsertStmt = conn.prepareStatement(upsert); |
| upsertStmt.execute(); |
| conn.commit(); |
| |
| String query = getQuery(table, fullArray, hashJoin); |
| Statement stmt = conn.createStatement(); |
| ResultSet rs = stmt.executeQuery(query); |
| |
| try { |
| assertTrue(rs.next()); |
| assertEquals(1, rs.getInt("id")); |
| assertEquals(10, rs.getInt("v1")); |
| assertEquals(20, rs.getInt("v2")); |
| assertEquals(30, rs.getInt("v3")); |
| assertEquals(40, rs.getInt("v4")); |
| |
| if (fullArray) { |
| java.sql.Array array = rs.getArray("vals"); |
| assertTrue(array != null); |
| Object obj = array.getArray(); |
| assertTrue(obj != null); |
| assertTrue(obj.getClass().isArray()); |
| assertEquals(5, java.lang.reflect.Array.getLength(obj)); |
| } |
| |
| assertFalse(rs.next()); |
| } finally { |
| rs.close(); |
| } |
| } |
| |
| private void dropTable(Connection conn, String table) throws Exception { |
| |
| String drop = "DROP TABLE " + table; |
| Statement stmt = conn.createStatement(); |
| stmt.execute(drop); |
| stmt.close(); |
| } |
| } |