error.ex

ႋ窝ᬀ退Request: POST /api/v2/graphql
** (exit) an exception was raised:
    ** (KeyError) key :parent_name not found
        (ecto) lib/ecto/repo/queryable.ex:249: anonymous fn/2 in Ecto.Repo.Queryable.process/4
        (stdlib) maps.erl:257: :maps.fold_1/3
        (ecto) lib/ecto/repo/queryable.ex:249: Ecto.Repo.Queryable.process/4
        (ecto) lib/ecto/repo/queryable.ex:219: anonymous fn/3 in Ecto.Repo.Queryable.postprocessor/4
        (elixir) lib/enum.ex:1314: Enum."-map/2-lists^map/1-0-"/2
        (ecto) lib/ecto/repo/queryable.ex:153: Ecto.Repo.Queryable.execute/4
        (ecto) lib/ecto/repo/queryable.ex:18: Ecto.Repo.Queryable.all/3
        (safari) lib/safari_web/resolvers/common_resolver.ex:92: SafariWeb.Resolvers.CommonResolver.review_comment_list/3
        (absinthe) lib/absinthe/resolution.ex:209: Absinthe.Resolution.call/2
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:209: Absinthe.Phase.Document.Execution.Resolution.reduce_resolution/1
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:168: Absinthe.Phase.Document.Execution.Resolution.do_resolve_field/4
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:153: Absinthe.Phase.Document.Execution.Resolution.do_resolve_fields/6
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:72: Absinthe.Phase.Document.Execution.Resolution.walk_result/5
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:53: Absinthe.Phase.Document.Execution.Resolution.perform_resolution/3
        (absinthe) lib/absinthe/phase/document/execution/resolution.ex:24: Absinthe.Phase.Document.Execution.Resolution.resolve_current/3
        (absinthe) lib/absinthe/pipeline.ex:274: Absinthe.Pipeline.run_phase/3
        (absinthe_plug) lib/absinthe/plug.ex:414: Absinthe.Plug.run_query/4
        (absinthe_plug) lib/absinthe/plug.ex:240: Absinthe.Plug.call/2
        (phoenix) lib/phoenix/router/route.ex:163: Phoenix.Router.Route.forward/4
        (phoenix) lib/phoenix/router.ex:278: Phoenix.Router.__call__/1

query.ex

def base_query() do
    from(rc in ReviewComment,
      order_by: [asc: rc.inserted_at],
      select_merge: %{
        id: rc.id,
        parent_id: rc.parent_id,
        parent_type: rc.parent_type,
        comment: rc.comment,
        author_id: rc.author_id,
        inserted_at: rc.inserted_at,
        updated_at: rc.updated_at
      }
    )
  end
  
  
  def list(%{is_admin: true}, _) do
    base_query()
    |> join(:left, [rc], s in Study, on: rc.parent_id == s.id)
    |> join(:left, [rc], o in Outcrop, on: rc.parent_id == o.id)
    |> join(:left, [rc], dw in Depositional, on: rc.parent_id == dw.id)
    |> join(:left, [rc], lg in LithostratGroup, on: rc.parent_id == lg.id)
    |> join(:left, [rc], lf in LithostratFormation, on: rc.parent_id == lf.id)
    |> join(:left, [rc], lm in LithostratMember, on: rc.parent_id == lm.id)
    |> join(:left, [rc], ow in Other, on: rc.parent_id == ow.id)
    |> select_merge([_rc, s, o, dw, lg, lf, lm, ow], %{
      parent_name:
        fragment(
          "coalesce(?,?,?,?,?,?,?) as parent_name",
          s.name,
          o.name,
          dw.title,
          lg.name,
          lf.name,
          lm.name,
          ow.title
        )
    })
    |> Repo.all()
  end