public java.sql.Date getDate(String columnName) throws SQLException {
        throw new UnsupportedOperationException();
    }
Retrieves the value stored in the designated column
of the current row as a <code>java.sql.Date</code> object.

@param columnName a <code>String</code> object giving the SQL name of
       a column in this <code>CachedRowSetImpl</code> object
@return the column value; if the value is SQL <code>NULL</code>,
        the result is <code>null</code>
@throws SQLException if (1) the given column name is not the name of
           a column in this rowset, (2) the cursor is not on one of
           this rowset's rows or its insert row, or (3) the designated
           column does not store an SQL <code>DATE</code> or
           <code>TIMESTAMP</code> value
src/main/java/org/replicadb/rowset/sun/rowset/internal/SyncResolverImpl.java