From 1f11c270bd846f2d7e3e4723a66008de90769c09 Mon Sep 17 00:00:00 2001 From: mauromsl Date: Tue, 27 Apr 2021 12:53:37 +0100 Subject: [PATCH] #2168: Fix cardinality error due to group by assignment --- src/review/logic.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/review/logic.py b/src/review/logic.py index d662dc4ed6..0e78e0dad9 100755 --- a/src/review/logic.py +++ b/src/review/logic.py @@ -57,6 +57,9 @@ def get_reviewer_candidates(article, user=None): rating_average = models.ReviewerRating.objects.filter( assignment__article__journal=article.journal, assignment__reviewer=OuterRef("id"), + ).values( + # Without this .values call, results are grouped by assignment... + "assignment__article__journal", ).annotate( rating_average=Avg("rating"), ).values("rating_average")