Bug 410905 ISODate to DateTime
data/org.eclipse.birt.data.oda.mongodb/src/org/eclipse/birt/data/oda/mongodb/impl/MDbResultSet.java
List<?> fromList = (List<?>)columnValue;
            if( ! fromList.isEmpty() )
            {
                BasicDBList fieldValuesList = new BasicDBList();
                for( int index=0; index < fromList.size(); index++ )
                {
                    fieldValuesList.put( index, fromList.get(index) );
                }
                fieldValuesList.markAsPartialObject();
                return fieldValuesList.toString();  
            }
        }
	    return columnValue != null ? columnValue.toString() : null;
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#getInt(int)
	 */
	public int getInt( int index ) throws OdaException
	{
        return getInt( findFieldName(index) );
	}
	/*
	 * @see org.eclipse.datatools.connectivity.oda.IResultSet#getInt(java.lang.String)
	 */
	public int getInt( String columnName ) throws OdaException
	{
        Object columnValue = getFieldValue( columnName );
        columnValue = tryConvertToDataType( columnValue, Integer.class );
        if( columnValue instanceof Integer )
            return (Integer)columnValue;