package com.tesora.dve.sql.transform.strategy.join;
/*
* #%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.expression.ExpressionUtils;
import com.tesora.dve.sql.node.expression.ExpressionNode;
import com.tesora.dve.sql.schema.SchemaContext;
import com.tesora.dve.sql.statement.dml.SelectStatement;
class OriginalProjectionBuffer extends Buffer {
public OriginalProjectionBuffer() {
super(BufferKind.OP,null);
}
@Override
public void adapt(SchemaContext sc, SelectStatement stmt) {
for(ExpressionNode en : stmt.getProjection())
add(new BufferEntry(ExpressionUtils.getTarget(en)));
}
}