package com.tesora.dve.sql.transform;
/*
* #%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 java.util.List;
import java.util.Set;
import com.tesora.dve.sql.expression.TableKey;
import com.tesora.dve.sql.node.expression.ConstantExpression;
import com.tesora.dve.sql.schema.PEColumn;
import com.tesora.dve.sql.schema.SchemaContext;
import com.tesora.dve.sql.transform.constraints.PlanningConstraint;
import com.tesora.dve.sql.util.ListOfPairs;
public interface MatchableKey {
public boolean isComplete(SchemaContext sc, Set<PEColumn> have, boolean partialOk);
public List<PEColumn> getColumns(SchemaContext sc);
public PlanningConstraint buildEmptyConstraint(SchemaContext sc, TableKey tk, ListOfPairs<PEColumn,ConstantExpression> values);
public long getCardRatio(SchemaContext sc);
}