| /* |
| * 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.closeStmtAndConn; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.sql.Connection; |
| import java.sql.DriverManager; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.text.Collator; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * End2End test that tests the COLLATION_KEY in an ORDER BY clause |
| * |
| */ |
| public class CollationKeyFunctionIT extends ParallelStatsDisabledIT { |
| |
| private String tableName; |
| private String[] dataArray = new String[] { |
| // (0-6) chinese characters |
| "\u963f", "\u55c4", "\u963e", "\u554a", "\u4ec8", "\u3d9a", "\u9f51", |
| // (7-13) western characters, some with accent |
| "a", "b", "ä", "A", "a", "ä", "A", |
| // null for null-input tests |
| null |
| }; |
| |
| @Before |
| public void initAndPopulateTable() throws Exception { |
| Connection conn = null; |
| PreparedStatement stmt = null; |
| tableName = generateUniqueName(); |
| try { |
| conn = DriverManager.getConnection(getUrl()); |
| String ddl = "CREATE TABLE " + tableName + " (id INTEGER PRIMARY KEY, data VARCHAR)"; |
| conn.createStatement().execute(ddl); |
| |
| // insert dataArray into the table, with the index into the array as |
| // the id |
| for (int i = 0; i < dataArray.length; i++) { |
| PreparedStatement ps = conn.prepareStatement("upsert into " + tableName + " values(?, ?)"); |
| ps.setInt(1, i); |
| ps.setString(2, dataArray[i]); |
| ps.executeUpdate(); |
| } |
| conn.commit(); |
| } finally { |
| closeStmtAndConn(stmt, conn); |
| } |
| } |
| |
| @Test |
| public void testZhSort() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("zh", false, 0, 6, new Integer[] { 4, 3, 1, 5, 2, 0, 6 }); |
| } |
| |
| @Test |
| public void testZhTwSort() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("zh_TW", false, 0, 6, new Integer[] { 4, 3, 1, 5, 2, 0, 6 }); |
| } |
| |
| @Test |
| public void testZhTwStrokeSort() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("zh_TW_STROKE", false, 0, 6, new Integer[] { 4, 2, 0, 3, 1, 6, 5 }); |
| } |
| |
| @Test |
| public void testZhStrokeSort() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("zh__STROKE", false, 0, 6, new Integer[] { 4, 2, 0, 3, 1, 6, 5 }); |
| } |
| |
| @Test |
| public void testZhPinyinSort() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("zh__PINYIN", false, 0, 6, new Integer[] { 0, 1, 3, 4, 6, 2, 5 }); |
| } |
| |
| @Test |
| public void testUpperCaseSort() throws Exception { |
| queryWithCollKeyUpperCaseWithExpectedOrder("en", 7, 13, new Integer[] { 7, 10, 11, 13, 9, 12, 8 }); |
| } |
| |
| @Test |
| public void testPrimaryStrengthSort() throws Exception { |
| queryWithCollKeyWithStrengthWithExpectedOrder("en", Collator.PRIMARY, false, 7, 13, |
| new Integer[] { 7, 9, 10, 11, 12, 13, 8 }); |
| } |
| |
| @Test |
| public void testSecondaryStrengthSort() throws Exception { |
| queryWithCollKeyWithStrengthWithExpectedOrder("en", Collator.SECONDARY, false, 7, 13, |
| new Integer[] { 7, 10, 11, 13, 9, 12, 8 }); |
| } |
| |
| @Test |
| public void testTertiaryStrengthSort() throws Exception { |
| queryWithCollKeyWithStrengthWithExpectedOrder("en", Collator.TERTIARY, false, 7, 13, |
| new Integer[] { 7, 11, 10, 13, 9, 12, 8 }); |
| } |
| |
| @Test |
| public void testTertiaryStrengthSortDesc() throws Exception { |
| queryWithCollKeyWithStrengthWithExpectedOrder("en", Collator.TERTIARY, true, 7, 13, |
| new Integer[] { 8, 12, 9, 13, 10, 11, 7 }); |
| } |
| |
| // Null before anything else when doing ascending sort |
| @Test |
| public void testSortWithNullInputAsc() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("en", false, 13, 14, new Integer[] {14, 13}); |
| } |
| |
| // Null before anything else when doing descending sort (same behavior when doing order by without collation_key) |
| @Test |
| public void testSortWithNullInputDesc() throws Exception { |
| queryWithCollKeyDefaultArgsWithExpectedOrder("en", true, 13, 14, new Integer[] {14, 13}); |
| } |
| |
| |
| /** |
| * Issue a query ordered by the collation key (with COLLATION_KEY called |
| * with default args) of the data column according to the provided |
| * localeString, and compare the ID and data columns to the expected order. |
| * |
| * @param expectedIndexOrder |
| * an array of indexes into the dataArray in the order we expect. |
| * This is the same as the ID column |
| * @throws SQLException |
| */ |
| private void queryWithCollKeyDefaultArgsWithExpectedOrder(String localeString, boolean isDescending, Integer beginIndex, Integer endIndex, |
| Integer[] expectedIndexOrder) throws Exception { |
| String sortOrder = isDescending ? "DESC" : ""; |
| |
| String query = String.format( |
| "SELECT id, data FROM %s WHERE ID BETWEEN %d AND %d ORDER BY COLLATION_KEY(data, '%s') %s", tableName, |
| beginIndex, endIndex, localeString, sortOrder); |
| queryWithExpectedOrder(query, expectedIndexOrder); |
| } |
| |
| /** |
| * Same as above, except the upperCase collator argument is set to true |
| */ |
| private void queryWithCollKeyUpperCaseWithExpectedOrder(String localeString, Integer beginIndex, Integer endIndex, |
| Integer[] expectedIndexOrder) throws Exception { |
| String query = String.format( |
| "SELECT id, data FROM %s WHERE ID BETWEEN %d AND %d ORDER BY COLLATION_KEY(data, '%s', true), id", |
| tableName, beginIndex, endIndex, localeString); |
| queryWithExpectedOrder(query, expectedIndexOrder); |
| } |
| |
| /** |
| * Same as above, except the collator strength is set |
| */ |
| private void queryWithCollKeyWithStrengthWithExpectedOrder(String localeString, Integer strength, boolean isDescending, |
| Integer beginIndex, Integer endIndex, Integer[] expectedIndexOrder) throws Exception { |
| String sortOrder = isDescending ? "DESC" : ""; |
| |
| String query = String.format( |
| "SELECT id, data FROM %s WHERE ID BETWEEN %d AND %d ORDER BY COLLATION_KEY(data, '%s', false, %d) %s, id %s", |
| tableName, beginIndex, endIndex, localeString, strength, sortOrder, sortOrder); |
| queryWithExpectedOrder(query, expectedIndexOrder); |
| } |
| |
| private void queryWithExpectedOrder(String query, Integer[] expectedIndexOrder) throws Exception { |
| Connection conn = DriverManager.getConnection(getUrl()); |
| PreparedStatement ps = conn.prepareStatement(query); |
| ResultSet rs = ps.executeQuery(); |
| int i = 0; |
| while (rs.next()) { |
| int expectedId = expectedIndexOrder[i]; |
| assertEquals("For row " + i + ": The ID did not match the expected index", expectedId, rs.getInt(1)); |
| assertEquals("For row " + i + ": The data did not match the expected entry from the data array", |
| dataArray[expectedId], rs.getString(2)); |
| i++; |
| } |
| assertEquals("The result set returned a different number of rows from the data array", expectedIndexOrder.length, i); |
| } |
| } |