Ash Elixir•2w ago

Using Ash.Query in Ash.Query.load

After updating ash from 3.4.62 to 3.5.12 the following code causes an error. How do I fix this? Error.Unknown.UnknownError{ error: "** (BadMapError) expected a map, got: nil", field: nil, value: nil, splode: Ash.Error, bread_crumbs: ["Error returned from: MyApp.Resource1.read", "Exception raised in: MyApp.Resource2.read"],

query = Resource2 |> Ash.Query.for_read(:read) |> Ash.Query.filter(created_by_id = ^current_user.id) |> Ash.Query.limit(1)

Resource1
|> Ash.Query.for_read(:read)
|> Ash.Query.load([
    resource2:  query
|> Ash.read(actor: current_user)

query = Resource2 |> Ash.Query.for_read(:read) |> Ash.Query.filter(created_by_id = ^current_user.id) |> Ash.Query.limit(1)

Resource1
|> Ash.Query.for_read(:read)
|> Ash.Query.load([
    resource2:  query
|> Ash.read(actor: current_user)

Resource1 has_many Resource2.

5 Replies

ZachDaniel•2w ago

this looks like a bug, can you please share the stacktrace?

jasonoOP•2w ago

Sure

   bread_crumbs: ["Error returned from: Taskcalendars.Tasks.DateInstance.read",
    "Exception raised in: Taskcalendars.Tasks.TaskInstanceApproval.read"], 
   query: "#Query<>", 
   errors: [
     %Ash.Error.Unknown.UnknownError{
       error: "** (BadMapError) expected a map, got: nil",
       field: nil,
       value: nil,
       splode: Ash.Error,
       bread_crumbs: ["Error returned from: Taskcalendars.Tasks.DateInstance.read",
        "Exception raised in: Taskcalendars.Tasks.TaskInstanceApproval.read"],
       vars: [],
       path: [],
       stacktrace: #Splode.Stacktrace<>,
       class: :unknown
     }
   ]
 },
 [
   {:maps, :merge, [nil, %{}], [error_info: %{module: :erl_stdlib_errors}]},
   {Ash.Query, :"-data_layer_query/2-fun-2-", 2,
    [file: ~c"lib/ash/query/query.ex", line: 3428]},
   {Map, :update!, 3, [file: ~c"lib/map.ex", line: 916]},
   {Ash.Query, :data_layer_query, 2,
    [file: ~c"lib/ash/query/query.ex", line: 3425]},
   {AshSql.Query, :set_context, 4, [file: ~c"lib/query.ex", line: 51]},
   {Ash.Query, :data_layer_query, 2,
    [file: ~c"lib/ash/query/query.ex", line: 3422]},
   {Ash.Actions.Read, :"-do_read/5-fun-2-", 8,
    [file: ~c"lib/ash/actions/read/read.ex", line: 631]},
   {Ash.Actions.Read, :maybe_in_transaction, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 1364]},
   {Ash.Actions.Read, :do_run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 328]},
   {Ash.Actions.Read, :"-run/3-fun-7-", 3,
    [file:

   bread_crumbs: ["Error returned from: Taskcalendars.Tasks.DateInstance.read",
    "Exception raised in: Taskcalendars.Tasks.TaskInstanceApproval.read"], 
   query: "#Query<>", 
   errors: [
     %Ash.Error.Unknown.UnknownError{
       error: "** (BadMapError) expected a map, got: nil",
       field: nil,
       value: nil,
       splode: Ash.Error,
       bread_crumbs: ["Error returned from: Taskcalendars.Tasks.DateInstance.read",
        "Exception raised in: Taskcalendars.Tasks.TaskInstanceApproval.read"],
       vars: [],
       path: [],
       stacktrace: #Splode.Stacktrace<>,
       class: :unknown
     }
   ]
 },
 [
   {:maps, :merge, [nil, %{}], [error_info: %{module: :erl_stdlib_errors}]},
   {Ash.Query, :"-data_layer_query/2-fun-2-", 2,
    [file: ~c"lib/ash/query/query.ex", line: 3428]},
   {Map, :update!, 3, [file: ~c"lib/map.ex", line: 916]},
   {Ash.Query, :data_layer_query, 2,
    [file: ~c"lib/ash/query/query.ex", line: 3425]},
   {AshSql.Query, :set_context, 4, [file: ~c"lib/query.ex", line: 51]},
   {Ash.Query, :data_layer_query, 2,
    [file: ~c"lib/ash/query/query.ex", line: 3422]},
   {Ash.Actions.Read, :"-do_read/5-fun-2-", 8,
    [file: ~c"lib/ash/actions/read/read.ex", line: 631]},
   {Ash.Actions.Read, :maybe_in_transaction, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 1364]},
   {Ash.Actions.Read, :do_run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 328]},
   {Ash.Actions.Read, :"-run/3-fun-7-", 3,
    [file:

~c"lib/ash/actions/read/read.ex", line: 89]},
   {Ash.Actions.Read, :run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 88]},
   {Ash.Actions.Read.Relationships, :"-do_fetch_related_records/5-fun-5-", 3,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 590]},
   {Ash.ProcessHelpers, :"-async/2-fun-2-", 4,
    [file: ~c"lib/ash/process_helpers.ex", line: 38]},
   {Task.Supervised, :invoke_mfa, 2,
    [file: ~c"lib/task/supervised.ex", line: 101]},
   {Task.Supervised, :reply, 4, [file: ~c"lib/task/supervised.ex", line: 36]},
   {Ash.ProcessHelpers, :async, 2,
    [file: ~c"lib/ash/process_helpers.ex", line: 32]},
   {Ash.Actions.Read.AsyncLimiter, :async_or_inline, 4,
    [file: ~c"lib/ash/actions/read/async_limiter.ex", line: 40]},
   {Ash.Actions.Read.Relationships, :fetch_related_records, 5,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 81]},
   {Ash.Actions.Read.Relationships, :load, 4,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 26]},
   {Ash.Actions.Read, :do_run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 357]}
 ]}
    TaskcalendarsWeb.TaskLive.DashboardLive.handle_async/3 @ lib/taskcalendars_web/live/task_live/dashboard_live.ex:1711
    Phoenix.LiveView.Async.handle_kind/5 @ deps/phoenix_live_view/lib/phoenix_live_view/async.ex:270
    Phoenix.LiveView.Channel.handle_info/2 @ deps/phoenix_live_view/lib/phoenix_live_view/channel.ex:277
    :gen_server.try_handle_info/3 @ (stdlib 6.2) gen_server.erl:2345
    :gen_server.handle_msg/6 @ (stdlib 6.2) gen_server.erl:2433
    :proc_lib.init_p_do_apply/3 @ (stdlib 6.2) proc_lib.erl:329

~c"lib/ash/actions/read/read.ex", line: 89]},
   {Ash.Actions.Read, :run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 88]},
   {Ash.Actions.Read.Relationships, :"-do_fetch_related_records/5-fun-5-", 3,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 590]},
   {Ash.ProcessHelpers, :"-async/2-fun-2-", 4,
    [file: ~c"lib/ash/process_helpers.ex", line: 38]},
   {Task.Supervised, :invoke_mfa, 2,
    [file: ~c"lib/task/supervised.ex", line: 101]},
   {Task.Supervised, :reply, 4, [file: ~c"lib/task/supervised.ex", line: 36]},
   {Ash.ProcessHelpers, :async, 2,
    [file: ~c"lib/ash/process_helpers.ex", line: 32]},
   {Ash.Actions.Read.AsyncLimiter, :async_or_inline, 4,
    [file: ~c"lib/ash/actions/read/async_limiter.ex", line: 40]},
   {Ash.Actions.Read.Relationships, :fetch_related_records, 5,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 81]},
   {Ash.Actions.Read.Relationships, :load, 4,
    [file: ~c"lib/ash/actions/read/relationships.ex", line: 26]},
   {Ash.Actions.Read, :do_run, 3,
    [file: ~c"lib/ash/actions/read/read.ex", line: 357]}
 ]}
    TaskcalendarsWeb.TaskLive.DashboardLive.handle_async/3 @ lib/taskcalendars_web/live/task_live/dashboard_live.ex:1711
    Phoenix.LiveView.Async.handle_kind/5 @ deps/phoenix_live_view/lib/phoenix_live_view/async.ex:270
    Phoenix.LiveView.Channel.handle_info/2 @ deps/phoenix_live_view/lib/phoenix_live_view/channel.ex:277
    :gen_server.try_handle_info/3 @ (stdlib 6.2) gen_server.erl:2345
    :gen_server.handle_msg/6 @ (stdlib 6.2) gen_server.erl:2433
    :proc_lib.init_p_do_apply/3 @ (stdlib 6.2) proc_lib.erl:329

ZachDaniel•2w ago

Can you try main ?

jasonoOP•2w ago

The issue is gone. Thank you!!

ZachDaniel•2w ago

release will go out next week at the latest

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Using Ash.Query in Ash.Query.load

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