/*
* Copyright 2006-2012 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 static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import javax.sql.DataSource;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.batch.item.database.Order;
import org.springframework.dao.InvalidDataAccessResourceUsageException;
/**
* @author Thomas Risberg
* @author Michael Minella
* @author Will Schipp
*/
public class DerbyPagingQueryProviderTests extends AbstractSqlPagingQueryProviderTests {
public DerbyPagingQueryProviderTests() {
pagingQueryProvider = new DerbyPagingQueryProvider();
}
@Test
public void testInit() throws Exception {
DataSource ds = mock(DataSource.class);
Connection con = mock(Connection.class);
DatabaseMetaData dmd = mock(DatabaseMetaData.class);
when(dmd.getDatabaseProductVersion()).thenReturn("10.4.1.3");
when(con.getMetaData()).thenReturn(dmd);
when(ds.getConnection()).thenReturn(con);
pagingQueryProvider.init(ds);
}
@Test
public void testInitWithRecentVersion() throws Exception {
DataSource ds = mock(DataSource.class);
Connection con = mock(Connection.class);
DatabaseMetaData dmd = mock(DatabaseMetaData.class);
when(dmd.getDatabaseProductVersion()).thenReturn("10.10.1.1");
when(con.getMetaData()).thenReturn(dmd);
when(ds.getConnection()).thenReturn(con);
pagingQueryProvider.init(ds);
}
@Test
public void testInitWithUnsupportedVersion() throws Exception {
DataSource ds = mock(DataSource.class);
Connection con = mock(Connection.class);
DatabaseMetaData dmd = mock(DatabaseMetaData.class);
when(dmd.getDatabaseProductVersion()).thenReturn("10.2.9.9");
when(con.getMetaData()).thenReturn(dmd);
when(ds.getConnection()).thenReturn(con);
try {
pagingQueryProvider.init(ds);
fail();
}
catch (InvalidDataAccessResourceUsageException e) {
// expected
}
}
@Test
@Override
public void testGenerateFirstPageQuery() {
String sql = "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
Assert.assertEquals(sql, s);
}
@Test
@Override
public void testGenerateRemainingPagesQuery() {
String sql = "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 AND ((id > ?)) ORDER BY id ASC";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
Assert.assertEquals(sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQuery() {
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
Assert.assertEquals(sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQueryForFirstPage() {
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
Assert.assertEquals(sql, s);
}
/**
* Older versions of Derby don't allow order by in the sub select. This should work with 10.6.1 and above.
*/
@Test
@Override
public void testQueryContainsSortKey() {
String s = pagingQueryProvider.generateFirstPageQuery(pageSize).toLowerCase();
assertTrue("Wrong query: " + s, s.contains("id asc"));
}
/**
* Older versions of Derby don't allow order by in the sub select. This should work with 10.6.1 and above.
*/
@Test
@Override
public void testQueryContainsSortKeyDesc() {
pagingQueryProvider.getSortKeys().put("id", Order.DESCENDING);
String s = pagingQueryProvider.generateFirstPageQuery(pageSize).toLowerCase();
assertTrue("Wrong query: " + s, s.contains("id desc"));
}
@Override
@Test
public void testGenerateFirstPageQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateRemainingPagesQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 AND ((id > ?)) ORDER BY id ASC";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateJumpToItemQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
assertEquals(sql, s);
}
@Override
@Test
public void testGenerateJumpToItemQueryForFirstPageWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 GROUP BY dep ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
assertEquals(sql, s);
}
@Override
public String getFirstPageSqlWithMultipleSortKeys() {
return "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY name ASC, id DESC";
}
@Override
public String getRemainingSqlWithMultipleSortKeys() {
return "SELECT * FROM ( SELECT TMP_ORDERED.*, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 AND ((name > ?) OR (name = ? AND id < ?)) ORDER BY name ASC, id DESC";
}
@Override
public String getJumpToItemQueryWithMultipleSortKeys() {
return "SELECT name, id FROM ( SELECT name, id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 100 ORDER BY name ASC, id DESC";
}
@Override
public String getJumpToItemQueryForFirstPageWithMultipleSortKeys() {
return "SELECT name, id FROM ( SELECT name, id, ROW_NUMBER() OVER () AS ROW_NUMBER FROM (SELECT id, name, age FROM foo WHERE bar = 1 ) AS TMP_ORDERED) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY name ASC, id DESC";
}
}