package com.tesora.dve.sql.transform.behaviors.defaults;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
import com.tesora.dve.sql.statement.dml.DMLStatement;
import com.tesora.dve.sql.transform.behaviors.FeaturePlanTransformerBehavior;
import com.tesora.dve.sql.transform.strategy.PlannerContext;
import com.tesora.dve.sql.transform.strategy.featureplan.FeatureStep;
// eventually this will do the wide result set transform
public final class DefaultPostPlanningFeaturePlanTransformer implements
FeaturePlanTransformerBehavior {
public static final FeaturePlanTransformerBehavior INSTANCE = new DefaultPostPlanningFeaturePlanTransformer();
@Override
public FeatureStep transform(PlannerContext pc, DMLStatement stmt,
FeatureStep existingPlan) {
return existingPlan;
}
}