Optimize a query to improve export performance

closes #3259 (cherry picked from commit 8e335a0)
pulp · Sep 29, 2023 · 6f79673 · 6f79673
1 parent 3e3df6e
commit 6f79673
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diff --git a/CHANGES/3259.bugfix b/CHANGES/3259.bugfix
@@ -0,0 +1 @@
+Improved performance of exports significantly in some circumstances by optimizing a query.
diff --git a/pulp_rpm/app/models/repository.py b/pulp_rpm/app/models/repository.py
@@ -279,11 +279,15 @@ def artifacts_for_version(version):
             django.db.models.QuerySet: The artifacts that are contained within this version.
 
         """
-        qs = Artifact.objects.filter(content__pk__in=version.content)
+        artifacts_pk = set(
+            Artifact.objects.filter(content__pk__in=version.content).values_list(
+                "pulp_id", flat=True
+            )
+        )
         for tree in DistributionTree.objects.filter(pk__in=version.content):
-            qs |= tree.artifacts()
+            artifacts_pk |= set(tree.artifacts().values_list("pulp_id", flat=True))
 
-        return qs
+        return Artifact.objects.filter(pk__in=artifacts_pk)
 
     class Meta:
         default_related_name = "%(app_label)s_%(model_name)s"
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Improved performance of exports significantly in some circumstances by optimizing a query.