/*
* 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 org.junit.Assert;
import org.junit.Test;
import org.springframework.batch.item.database.Order;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.assertEquals;
/**
* @author Thomas Risberg
* @author Michael Minella
*/
public class SqlWindowingPagingQueryProviderTests extends AbstractSqlPagingQueryProviderTests {
public SqlWindowingPagingQueryProviderTests() {
pagingQueryProvider = new SqlWindowingPagingQueryProvider();
}
@Test
@Override
public void testGenerateFirstPageQuery() {
String sql = "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
assertEquals("", sql, s);
}
@Test
@Override
public void testGenerateRemainingPagesQuery() {
String sql = "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 AND ((id > ?)) ORDER BY id ASC";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
assertEquals("", sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQuery() {
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
assertEquals("", sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQueryForFirstPage() {
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
Assert.assertEquals("", sql, s);
}
@Test
@Override
public void testGenerateFirstPageQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1 GROUP BY dep) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateFirstPageQuery(pageSize);
assertEquals(sql, s);
}
@Test
@Override
public void testGenerateRemainingPagesQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1 GROUP BY dep) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 AND ((id > ?)) ORDER BY id ASC";
String s = pagingQueryProvider.generateRemainingPagesQuery(pageSize);
assertEquals(sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQueryWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1 GROUP BY dep) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 100 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(145, pageSize);
assertEquals(sql, s);
}
@Test
@Override
public void testGenerateJumpToItemQueryForFirstPageWithGroupBy() {
pagingQueryProvider.setGroupClause("dep");
String sql = "SELECT id FROM ( SELECT id, ROW_NUMBER() OVER ( ORDER BY id ASC) AS ROW_NUMBER FROM foo WHERE bar = 1 GROUP BY dep) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY id ASC";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
assertEquals(sql, s);
}
@Test
public void testGenerateJumpToItemQueryForTableQualifierReplacement() {
pagingQueryProvider.setFromClause("foo_e E, foo_i I");
pagingQueryProvider.setWhereClause("E.id=I.id");
Map<String, Order> sortKeys = new HashMap<String, Order>();
sortKeys.put("E.id", Order.DESCENDING);
pagingQueryProvider.setSortKeys(sortKeys);
String sql="SELECT TMP_SUB.id FROM ( SELECT E.id, ROW_NUMBER() OVER ( ORDER BY id DESC) AS ROW_NUMBER FROM foo_e E, foo_i I WHERE E.id=I.id) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY TMP_SUB.id DESC";
String s = pagingQueryProvider.generateJumpToItemQuery(45, pageSize);
assertEquals(sql, s);
}
@Override
public String getFirstPageSqlWithMultipleSortKeys() {
return "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY name ASC, id DESC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER <= 100 ORDER BY name ASC, id DESC";
}
@Override
public String getRemainingSqlWithMultipleSortKeys() {
return "SELECT * FROM ( SELECT *, ROW_NUMBER() OVER ( ORDER BY name ASC, id DESC) AS ROW_NUMBER FROM foo WHERE bar = 1) 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 ( ORDER BY name ASC, id DESC) AS ROW_NUMBER FROM foo WHERE bar = 1) 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 ( ORDER BY name ASC, id DESC) AS ROW_NUMBER FROM foo WHERE bar = 1) AS TMP_SUB WHERE TMP_SUB.ROW_NUMBER = 1 ORDER BY name ASC, id DESC";
}
}