Ash Elixir•3y ago

In an action, how can I sort on a field in a relation?

I have an action performing a read operation with a specific relation loaded. That relation contains a position field that I wish to sort on first, then the primary id create_ts.

prepare build(load: [:status], sort: [:status.position, :create_ts])

prepare build(load: [:status], sort: [:status.position, :create_ts])

That obviously doesn't work, but it is what I wish to accomplish.

1 Reply

ZachDaniel•3y ago

The current way is by adding an aggregate

aggregates do
  first :status_position, :status, :position
end

aggregates do
  first :status_position, :status, :position
end

And then you can sort on sort: [:status_position, :create_ts] We will likely add support for using to_one and has_one style relationships directly in sort

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In an action, how can I sort on a field in a relation?

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