/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
package org.geotools.arcsde.data.view;
import net.sf.jsqlparser.statement.select.PlainSelect;
import net.sf.jsqlparser.statement.select.SelectBody;
import net.sf.jsqlparser.statement.select.SubSelect;
import org.geotools.arcsde.session.ISession;
/**
* Qualifies a column reference in a subselect clause.
*
* @author Gabriel Roldan, Axios Engineering
* @version $Id$
* @source $URL:
* http://svn.geotools.org/geotools/trunk/gt/modules/plugin/arcsde/datastore/src/main/java
* /org/geotools/arcsde/data/view/SubSelectQualifier.java $
* @since 2.3.x
*/
class SubSelectQualifier {
public static SubSelect qualify(ISession session, SubSelect subSelect) {
String alias = subSelect.getAlias();
SelectBody select = subSelect.getSelectBody();
SelectQualifier visitor = new SelectQualifier(session);
select.accept(visitor);
PlainSelect qualifiedSelect = visitor.getQualifiedQuery();
SubSelect qualifiedSubSelect = new SubSelect();
qualifiedSubSelect.setAlias(alias);
qualifiedSubSelect.setSelectBody(qualifiedSelect);
return qualifiedSubSelect;
}
}