| /* |
| * 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.ROW1; |
| import static org.apache.phoenix.util.TestUtil.ROW2; |
| import static org.apache.phoenix.util.TestUtil.ROW3; |
| import static org.apache.phoenix.util.TestUtil.ROW4; |
| import static org.apache.phoenix.util.TestUtil.ROW5; |
| import static org.apache.phoenix.util.TestUtil.ROW6; |
| import static org.apache.phoenix.util.TestUtil.ROW7; |
| import static org.apache.phoenix.util.TestUtil.ROW8; |
| import static org.apache.phoenix.util.TestUtil.ROW9; |
| 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 org.junit.Test; |
| |
| |
| public class TopNIT extends ParallelStatsDisabledIT { |
| |
| @Test |
| public void testMultiOrderByExpr() throws Exception { |
| String tenantId = getOrganizationId(); |
| String tableName = initATableValues(null, tenantId, getDefaultSplits(tenantId), null, null, getUrl(), null); |
| String query = "SELECT entity_id FROM " + tableName + " ORDER BY b_string, entity_id LIMIT 5"; |
| Connection conn = DriverManager.getConnection(getUrl()); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW1); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW4); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW7); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW2); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW5); |
| |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| |
| @Test |
| public void testDescMultiOrderByExpr() throws Exception { |
| String tenantId = getOrganizationId(); |
| String tableName = initATableValues(null, tenantId, getDefaultSplits(tenantId), null, null, getUrl(), null); |
| String query = "SELECT entity_id FROM " + tableName + " ORDER BY b_string || entity_id desc LIMIT 5"; |
| Connection conn = DriverManager.getConnection(getUrl()); |
| try { |
| PreparedStatement statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW9); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW6); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW3); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW8); |
| assertTrue (rs.next()); |
| assertEquals(rs.getString(1), ROW5); |
| |
| assertFalse(rs.next()); |
| } finally { |
| conn.close(); |
| } |
| } |
| |
| |
| @Test |
| public void testTopNDeleteAutoCommitOn() throws Exception { |
| testTopNDelete(true); |
| } |
| |
| @Test |
| public void testTopNDeleteAutoCommitOff() throws Exception { |
| testTopNDelete(false); |
| } |
| |
| private void testTopNDelete(boolean autoCommit) throws Exception { |
| String tenantId = getOrganizationId(); |
| String tableName = |
| initATableValues(null, tenantId, getDefaultSplits(tenantId), null, null, getUrl(), |
| null); |
| String query = "DELETE FROM " + tableName + " ORDER BY b_string, entity_id LIMIT 5"; |
| try (Connection conn = DriverManager.getConnection(getUrl())) { |
| conn.setAutoCommit(autoCommit); |
| PreparedStatement statement = conn.prepareStatement(query); |
| statement.execute(); |
| assertEquals(5, statement.getUpdateCount()); |
| if (!autoCommit) { |
| conn.commit(); |
| } |
| query = |
| "SELECT entity_id FROM " + tableName + " ORDER BY b_string, x_decimal nulls last, 8-a_integer LIMIT 5"; |
| statement = conn.prepareStatement(query); |
| ResultSet rs = statement.executeQuery(); |
| assertTrue(rs.next()); |
| assertEquals(ROW8, rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals(ROW9, rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals(ROW6, rs.getString(1)); |
| assertTrue(rs.next()); |
| assertEquals(ROW3, rs.getString(1)); |
| assertFalse(rs.next()); |
| } |
| } |
| |
| |
| } |