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Performance: ensure version-aware content filters on querysets (#13792)

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shamoon
2026-09-08 15:55:45 +00:00
committed by GitHub
parent 714885d7a5
commit 5194f47291
5 changed files with 138 additions and 45 deletions
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src/documents/versioning.py
+6 -3
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@@ -27,10 +27,13 @@ def versions_newest_first(documents: QuerySet[Document]) -> QuerySet[Document]:
def annotate_effective_content(documents: QuerySet[Document]) -> QuerySet[Document]:
"""
Annotates documents with the content of their newest version, falling back
to their own, so get_effective_content() can answer from the row rather
than querying for the versions of each document
Annotates documents with the content of their newest version unless the
queryset already carries the annotation, falling back to their own, so
get_effective_content() can answer from the row rather than querying for
the versions of each document.
"""
if "effective_content" in documents.query.annotations:
return documents
return documents.annotate(
effective_content=Coalesce(
Subquery(