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

@param columnIndex the first column is <code>1</code>, the second
       is <code>2</code>, and so on; must be <code>1</code> or larger
       and equal to or less than the number of columns in the rowset
@return the column value as a <code>java.sql.Data</code> object; if
       the value is SQL <code>NULL</code>, the
       result is <code>null</code>
@throws SQLException if the given column index is out of bounds,
           the cursor is not on a valid row, or this method fails
src/main/java/org/replicadb/rowset/sun/rowset/internal/SyncResolverImpl.java