Ash Framework•2mo ago

Can I aggregate over a calculated field?

I have a File resource, that has calculation :extension, I then have another resource called Attachment, that has_many :files. Is it possible to do this:

    first :extension, :file, :extension do
      public? true
    end

    first :extension, :file, :extension do
      public? true
    end

6 Replies

sevenseacat•2mo ago

give it a try and see 🙂

StraffernOP•2mo ago

I did, but I got nil. But no errors.. I guess it is a bug in my code.. Was just confused

sevenseacat•2mo ago

is your relationship name correct? file?

StraffernOP•2mo ago

Yeah, fixed that but still getting nil.

sevenseacat•2mo ago

I mean that's a valid value if the attachment has no files

StraffernOP•2mo ago

Hmm. I'll figure it out. I guess my change that is supposed to create the files might silently fail or something.. I g2g now, but thanks for trying to help 😇

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Can I aggregate over a calculated field?

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