/**
* 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;
import com.foundationdb.server.collation.AkCollator;
import com.foundationdb.server.types.TInstance;
import com.foundationdb.server.types.TPreptimeValue;
import com.foundationdb.sql.types.DataTypeDescriptor;
import com.foundationdb.sql.parser.ValueNode;
public interface ExpressionNode extends PlanElement
{
public DataTypeDescriptor getSQLtype();
public ValueNode getSQLsource();
public AkCollator getCollator();
public TPreptimeValue getPreptimeValue();
public TInstance getType();
public void setPreptimeValue(TPreptimeValue value);
public void setSQLtype(DataTypeDescriptor type);
public boolean isColumn();
public boolean isConstant();
public boolean accept(ExpressionVisitor v);
public ExpressionNode accept(ExpressionRewriteVisitor v);
}