I have a View of contacts including the date of birth and want to filter by the date not being set. When I add a filter on the date it provides a range of options (greater than, less than etc), but not one for "is null".

How can I add that? Is there some configuration or another module to provide this functionality?


I do not know the answer, but did a quick Google: https://www.drupal.org/node/2107633 I would recommend you ask the question on the Drupal Stack Exchange site https://drupal.stackexchange.com/ as it is more of a Drupal than a CiviCRM question.

  • Thanks, but link-only answers are generally frowned upon at StackExchange. It's always best to summarize the main points behind the link, especially as a protection against link rot. – choster Jun 25 '15 at 15:31
  • Can you explain @choster? I am simple Dutch guy and I have no idea what link rot is? – ErikH - CiviCooP Jun 25 '15 at 16:24
  • 1
    StackExchange answers are expected to be comprehensive in their own right, and the standard guidance is to "Provide context for links": links to external resources are encouraged, but please add context around the link so your fellow users will have some idea what it is and why it’s there. Always quote the most relevant part of an important link, in case the target site is unreachable or goes permanently offline. I encourage you to read through the help center if you are new to SE, as it differs from traditional discussion forums. – choster Jun 25 '15 at 16:29

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