Hello,

I've just started playing around a bit with silverstripe. As a test, I created a Country class, extending DataObject. I use ModelAdmin to manage these countries. Because I also store the ISO code for a country, I would like to have a unique index on that column. Quite ease so far:

class Country extends DataObject {
 
   static $db = array(
      'Name' => 'Varchar(100)',
      'Description' => 'Varchar(200)',
      'Iso3166' => 'Varchar(10)',
   );
   
   static $indexes = array(
      array( 'type' => 'unique', 'value' => 'Iso3166' )
   );
 
}

However, while testing this new index, I ran into a problem. The ModelAdmin interface does not give any error when I try to enter a country with an already existing ISO code. In fact, it does not do anything. It just keeps displaying the 'saving' animation and nothing else. When I interrupt and go back to the country list, a new EMPTY record seems to be created.

I expected SS to give an error and cancel the Save option. Do I have to program something extra to achieve that behavior?

Jeroen Jansen.

Hi,

Problem solved. It seems that in such cases a Validator is required. I'm working on it now.

Regards, Jeroen.

Hi Jeroen,

I am trying to do the exact same thing, have sorted out the index but get no error message in Model Admin. Do you have an example I could have a look at?

Cheers