| /* |
| * 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.SQLException; |
| import java.util.Properties; |
| |
| import org.apache.phoenix.jdbc.PhoenixStatement; |
| import org.apache.phoenix.query.QueryServices; |
| import org.apache.phoenix.util.PropertiesUtil; |
| import org.junit.Test; |
| |
| public class SerialIteratorsIT extends ParallelStatsDisabledIT { |
| private String tableName = generateUniqueName(); |
| private final String[] strings = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", |
| "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" }; |
| private final String ddl = "CREATE TABLE " + tableName + " (t_id VARCHAR NOT NULL,\n" + "k1 INTEGER NOT NULL,\n" |
| + "k2 INTEGER NOT NULL,\n" + "C3.k3 INTEGER,\n" + "C2.v1 VARCHAR,\n" |
| + "CONSTRAINT pk PRIMARY KEY (t_id, k1, k2)) SPLIT ON ('e','i','o')"; |
| |
| private static Connection getConnection() throws SQLException { |
| Properties props = PropertiesUtil.deepCopy(TEST_PROPERTIES); |
| props.setProperty(QueryServices.FORCE_ROW_KEY_ORDER_ATTRIB, Boolean.toString(false)); |
| Connection conn = DriverManager.getConnection(getUrl(), props); |
| return conn; |
| } |
| |
| @Test |
| public void testConcatenatingSerialIterators() throws Exception { |
| Connection conn; |
| conn = getConnection(); |
| createTestTable(getUrl(), ddl); |
| initTableValues(conn); |
| String query = "SELECT t_id from " + tableName + " order by t_id desc limit " + 10; |
| PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class); |
| ResultSet rs = stmt.executeQuery(query); |
| int i = 25; |
| while (i >= 16) { |
| assertTrue(rs.next()); |
| assertEquals(strings[i--], rs.getString(1)); |
| } |
| query = "SELECT t_id from " + tableName + " order by t_id limit " + 10; |
| stmt = conn.createStatement().unwrap(PhoenixStatement.class); |
| rs = stmt.executeQuery(query); |
| i = 0; |
| while (i < 10) { |
| assertTrue(rs.next()); |
| assertEquals(strings[i++], rs.getString(1)); |
| } |
| conn.close(); |
| } |
| |
| private void initTableValues(Connection conn) throws SQLException { |
| for (int i = 0; i < 26; i++) { |
| conn.createStatement().execute("UPSERT INTO " + tableName + " values('" + strings[i] + "'," + i + "," |
| + (i + 1) + "," + (i + 2) + ",'" + strings[25 - i] + "')"); |
| } |
| conn.commit(); |
| } |
| |
| } |