IStatementFactory factory, String schema, ITableMetaData metaData)
String schema, ITableMetaData metaData)
        public RowExistOperation(IDatabaseConnection connection,            IStatementFactory factory, String schema, ITableMetaData metaData)                throws DataSetException, SQLException        {            // setup select count statement            OperationData countData = getSelectCountData(schema, metaData);            _countStatement = connection.getConnection().prepareStatement(                    countData.getSql());            _columns = countData.getColumns();        }