/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
package com.foundationdb.sql.optimizer.plan;
/** Make results distinct. */
public class Distinct extends BasePlanWithInput
{
public static enum Implementation {
PRESORTED, SORT, HASH, TREE, EXPLICIT_SORT
}
private Implementation implementation;
public Distinct(PlanNode input) {
super(input);
}
public Distinct(PlanNode input, Implementation implementation) {
super(input);
this.implementation = implementation;
}
public Implementation getImplementation() {
return implementation;
}
public void setImplementation(Implementation implementation) {
this.implementation = implementation;
}
}