Search for null objects

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Peter Tollnes-Flem

Vote:

Hi,

I need to find all objects which doesn't have any categories.

At the moment I've tried something like this:

query = query.Filter(x => x.SearchCategories.IsNull().Match(true));

But it doesn't work. Is it possible to search for null values?

#79942

Jan 10, 2014 13:27

Vote:

You should be able to use .Exists():

query = query.Filter(x => x.SearchCategories.Exists());

#79951

Jan 10, 2014 14:17

Peter Tollnes-Flem

Vote:

Thank you! It works beautifuly.

Ended using it like this:

query = query.Filter(x => !x.SearchCategories.Exists());

#79953

Jan 10, 2014 14:36

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