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Document index-usage

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This commit is contained in:
Klaas van Schelven
2025-07-02 16:30:59 +02:00
parent 1601aa0b1f
commit 20b14ed69c
1 changed files with 3 additions and 1 deletions
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bugsink/utils.py
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@@ -192,7 +192,9 @@ def delete_deps_with_budget(referring_model, fk_name, referred_ids, budget, dep_
"""
num_deleted = 0
# Fetch ids of referring objects and their referred ids
# Fetch ids of referring objects and their referred ids. Note that an index of fk_name can be assumed to exist,
# because fk_name is a ForeignKey field, and Django automatically creates an index for ForeignKey fields unless
# instructed otherwise: https://github.com/django/django/blob/7feafd79a481/django/db/models/fields/related.py#L1025
relevant_ids = list(
referring_model.objects.filter(**{f"{fk_name}__in": referred_ids}).values_list('pk', flat=True)[:budget]
)