org.tinygroup.tinysqldsl.extend.DB2Select Maven / Gradle / Ivy
/**
* Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
*
* Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
*
* 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.tinygroup.tinysqldsl.extend;
import org.tinygroup.tinysqldsl.Select;
import org.tinygroup.tinysqldsl.base.Table;
import org.tinygroup.tinysqldsl.formitem.FromItemList;
import org.tinygroup.tinysqldsl.selectitem.AllColumns;
import org.tinygroup.tinysqldsl.selectitem.SelectItem;
/**
* DB2数据库相关的查询
* @author renhui
*
*/
public class DB2Select extends Select {
public DB2Select() {
super();
}
public static DB2Select select(SelectItem... selectItems) {
DB2Select select = new DB2Select();
select.getPlainSelect().addSelectItems(selectItems);
return select;
}
public static DB2Select selectFrom(Table... tables) {
DB2Select select = new DB2Select();
select.getPlainSelect().addSelectItems(new AllColumns());
select.getPlainSelect().setFromItem(new FromItemList(tables));
return select;
}
public static void main(String[] args) {
DB2Select db2Select = new DB2Select();
String sql = "select distinct(id) from custom where name=dsff";
System.out.println(db2Select.getLimitString(sql, 5, 5));
}
public DB2Select into(Table... tables) {
plainSelect.addIntoTables(tables);
return this;
}
public DB2Select page(int start, int limit) {
this.stringBuilder = getLimitString(sql(), start, limit);
return this;
}
@Override
protected Select newSelect() {
return new DB2Select();
}
}