public SQLXML getSQLXML(int columnIndex) throws SQLException {
        throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString());
    }
Retrieves the value of the designated <code>SQL XML</code> parameter as a
<code>SQLXML</code> object in the Java programming language.
@param columnIndex the first column is 1, the second is 2, ...
@return a SQLXML object that maps an SQL XML value
@throws SQLException if a database access error occurs
@since 6.0
src/main/java/org/replicadb/rowset/sun/rowset/CachedRowSetImpl.java