/*
* Copyright 2006-2015 the original author or authors.
*
* Licensed 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.springframework.batch.item.database.support;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import org.springframework.batch.item.database.Order;
import static org.junit.Assert.assertEquals;
/**
* @author Thomas Risberg
* @author Michael Minella
*/
public class MySqlPagingQueryProviderTests extends AbstractSqlPagingQueryProviderTests {
public MySqlPagingQueryProviderTests() {
pagingQueryProvider = new MySqlPagingQueryProvider();
}
@Test
@Override
public void testGenerateFirstPageQuery() {
String sql = "SELECT id, name, age FROM foo WHERE bar = 1 ORDER BY id ASC LIMIT 100";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
assertEquals(sql, s);
}
@Test @Override
public void testGenerateRemainingPagesQuery() {
String sql = "SELECT id, name, age FROM foo WHERE (bar = 1) AND ((id > ?)) ORDER BY id ASC LIMIT 100";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
assertEquals(sql, s);
}
@Test @Override
public void testGenerateJumpToItemQuery() {
String sql = "SELECT id FROM foo WHERE bar = 1 ORDER BY id ASC LIMIT 99, 1";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
assertEquals(sql, s);
}
@Test @Override
public void testGenerateJumpToItemQueryForFirstPage() {
String sql = "SELECT id FROM foo WHERE bar = 1 ORDER BY id ASC LIMIT 0, 1";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateFirstPageQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep ORDER BY id ASC LIMIT 100";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateRemainingPagesQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT * FROM (SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep) AS MAIN_QRY WHERE ((id > ?)) ORDER BY id ASC LIMIT 100";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateJumpToItemQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM foo WHERE bar = 1 GROUP BY dep ORDER BY id ASC LIMIT 99, 1";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateJumpToItemQueryForFirstPageWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM foo WHERE bar = 1 GROUP BY dep ORDER BY id ASC LIMIT 0, 1";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
assertEquals(sql, s);
}
@Test
public void testFirstPageSqlWithAliases() {
Map<String, Order> sorts = new HashMap<>();
sorts.put("owner.id", Order.ASCENDING);
this.pagingQueryProvider = new MySqlPagingQueryProvider();
this.pagingQueryProvider.setSelectClause("SELECT owner.id as ownerid, first_name, last_name, dog_name ");
this.pagingQueryProvider.setFromClause("FROM dog_owner owner INNER JOIN dog ON owner.id = dog.id ");
this.pagingQueryProvider.setSortKeys(sorts);
String firstPage = this.pagingQueryProvider.generateFirstPageQuery(5);
String jumpToItemQuery = this.pagingQueryProvider.generateJumpToItemQuery(7, 5);
String remainingPagesQuery = this.pagingQueryProvider.generateRemainingPagesQuery(5);
assertEquals("SELECT owner.id as ownerid, first_name, last_name, dog_name FROM dog_owner owner INNER JOIN dog ON owner.id = dog.id ORDER BY owner.id ASC LIMIT 5", firstPage);
assertEquals("SELECT owner.id FROM dog_owner owner INNER JOIN dog ON owner.id = dog.id ORDER BY owner.id ASC LIMIT 4, 1", jumpToItemQuery);
assertEquals("SELECT owner.id as ownerid, first_name, last_name, dog_name FROM dog_owner owner INNER JOIN dog ON owner.id = dog.id WHERE ((owner.id > ?)) ORDER BY owner.id ASC LIMIT 5", remainingPagesQuery);
}
@Override
public String getFirstPageSqlWithMultipleSortKeys() {
return "SELECT id, name, age FROM foo WHERE bar = 1 ORDER BY name ASC, id DESC LIMIT 100";
}
@Override
public String getRemainingSqlWithMultipleSortKeys() {
return "SELECT id, name, age FROM foo WHERE (bar = 1) AND ((name > ?) OR (name = ? AND id < ?)) ORDER BY name ASC, id DESC LIMIT 100";
}
@Override
public String getJumpToItemQueryWithMultipleSortKeys() {
return "SELECT name, id FROM foo WHERE bar = 1 ORDER BY name ASC, id DESC LIMIT 99, 1";
}
@Override
public String getJumpToItemQueryForFirstPageWithMultipleSortKeys() {
return "SELECT name, id FROM foo WHERE bar = 1 ORDER BY name ASC, id DESC LIMIT 0, 1";
}
}