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a Java JDBC driver for reading comma-separated-value files
/*
* CsvJdbc - a JDBC driver for CSV files
* Copyright (C) 2008 Mario Frasca
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.relique.jdbc.csv;
import java.sql.SQLException;
import java.util.Map;
class QueryEnvEntry extends Expression
{
private String key;
private Expression expression;
public QueryEnvEntry(String fieldName, Expression exp)
{
this.key = fieldName.toUpperCase();
this.expression = exp;
}
public Expression getExpression()
{
return expression;
}
public String getKey()
{
return key;
}
@Override
public Object eval(Map env) throws SQLException
{
return expression.eval(env);
}
@Override
public String toString()
{
return key+": "+expression.toString();
}
@Override
public void resetAggregateFunctions()
{
expression.resetAggregateFunctions();
}
}
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