Ash FrameworkAF
Ash Framework•3y ago•
10 replies
barnabasj

no FunctionClause matching when loading calculation

Hi, somewhere between this commit de943509f73ff0c6ef3749feb3cc6ab6e4d99d2d and now, I started getting an error in one of my graphql queries.

[error] Task #PID<0.6039.0> started from #PID<0.6032.0> terminating
** (Ash.Error.Unknown) Unknown Error

Context: resolving data on calculate hotel_itinerary_items.sort_order
* Context: resolving data on calculate hotel_itinerary_items.sort_order

** (FunctionClauseError) no function clause matching in Ash.Actions.Read.run_query/6
  (ash 2.6.31) lib/ash/actions/read.ex:2208: Ash.Actions.Read.run_query(#Ash.Query<resource: Demo.Offer.Resources.ItineraryItem.HotelItineraryItem, filter: #Ash.Filter<id in ["0a23ede2-ff04-4636-949f-321f9c9a4314", "5e65f643-7463-4456-8d19-e46c370f7950"]>>, #Ecto.Query<from h0 in JdlEngine.Offer.Resources.ItineraryItem.HotelItineraryItem, as: 0, where: type(as(0).id, {:parameterized, Ash.Type.UUID.EctoType, []}) in [
  type(^"0a23ede2-ff04-4636-949f-321f9c9a4314", {:parameterized, Ash.Type.UUID.EctoType, []}),
  type(^"5e65f643-7463-4456-8d19-e46c370f7950", {:parameterized, Ash.Type.UUID.EctoType, []})
], select: merge(merge(h0, %{}), %{
  sort_order:
    type(
      fragment(
        "(select sort_order from offer_itinerary_item oii where id = ? and item_type = ?)",
        type(as(0).id, {:parameterized, Ash.Type.UUID.EctoType, []}),
        ^"h"
      ),
      {:parameterized, Ash.Type.Integer.EctoType, []}
    )
})>, %{actor: %{id: "App User", roles: [:admin]}, api: Demo.Support, authorize?: true, tenant: nil}, false, [], [])
  (ash 2.6.31) lib/ash/actions/read.ex:2697: Ash.Actions.Read.run_calculation_query/6
  (ash 2.6.31) lib/ash/actions/read.ex:1529: anonymous fn/14 in Ash.Actions.Read.calculation_dependency_requests/9
  (ash 2.6.31) lib/ash/engine/request.ex:1048: Ash.Engine.Request.do_try_resolve_local/4
  (ash 2.6.31) lib/ash/engine/request.ex:282: Ash.Engine.Request.do_next/1
  (ash 2.6.31) lib/ash/engine/request.ex:211: Ash.Engine.Request.next/1
  (ash 2.6.31) lib/ash/engine/engine.ex:719: Ash.Engine.advance_request/2
  (ash 2.6.31) lib/ash/engine/engine.ex:625: Ash.Engine.fully_advance_request/2
  (ash 2.6.31) lib/ash/engine/engine.ex:566: Ash.Engine.do_run_iteration/2
  (elixir 1.14.3) lib/enum.ex:2468: Enum."-reduce/3-lists^foldl/2-0-"/3
  (ash 2.6.31) lib/ash/engine/engine.ex:307: Ash.Engine.run_to_completion/1
  (ash 2.6.31) lib/ash/engine/engine.ex:252: Ash.Engine.do_run/2
  (ash 2.6.31) lib/ash/engine/engine.ex:148: Ash.Engine.run/2
  (ash 2.6.31) lib/ash/actions/read.ex:173: Ash.Actions.Read.do_run/3
  (ash 2.6.31) lib/ash/actions/read.ex:96: Ash.Actions.Read.run/3
  (ash 2.6.31) lib/ash/api/api.ex:1349: Ash.Api.load!/4
  (ash_graphql 0.23.3) lib/graphql/dataloader.ex:318: Dataloader.Source.AshGraphql.Dataloader.run_batch/2
  (ash_graphql 0.23.3) lib/graphql/dataloader.ex:182: anonymous fn/2 in Dataloader.Source.AshGraphql.Dataloader.run_batches/1
  (elixir 1.14.3) lib/task/supervised.ex:89: Task.Supervised.invoke_mfa/2
  (elixir 1.14.3) lib/task/supervised.ex:34: Task.Supervised.reply/4


I tried to look at it, but I wasn't able to figure it out yet.

It happens when the :unkown branch is executed here: https://github.com/ash-project/ash/blob/5005d57b1db3522a09accc6f10418ac230fe2c40/lib/ash/actions/read.ex#L1526

The context inside the query is empty and no action is set, therefore no run_query function matches.

The calulation it's trying to load is a simple expr calulcation with a fragment inside on a resource using AshPostgres Datalayer, no args are anything.
GitHub
ash/read.ex at 5005d57b1db3522a09accc6f10418ac230fe2c40 · ash-proje...
A declarative and extensible framework for building Elixir applications. - ash/read.ex at 5005d57b1db3522a09accc6f10418ac230fe2c40 · ash-project/ash
ash/read.ex at 5005d57b1db3522a09accc6f10418ac230fe2c40 · ash-proje...
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