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GitHub Actions✓

Here are the GitHub Actions logs prior to making any changes:

Sandbox logs for b2dc5a2

Checking modelcluster/fields.py for syntax errors... ✅ modelcluster/fields.py has no syntax errors! 1/1 ✓
Checking modelcluster/fields.py for syntax errors...
✅ modelcluster/fields.py has no syntax errors!

Sandbox passed on the latest main, so sandbox checks will be enabled for this issue.

Step 1: 🔎 Searching

I found the following snippets in your repository. I will now analyze these snippets and come up with a plan.

Some code snippets I think are relevant in decreasing order of relevance (click to expand). If some file is missing from here, you can mention the path in the ticket description.

https://github.com/chrismathew99/django_sample/blob/b2dc5a220bec6e06f917de39d3aa2346c7565b66/modelcluster/fields.py#L62-L86 https://github.com/chrismathew99/django_sample/blob/b2dc5a220bec6e06f917de39d3aa2346c7565b66/modelcluster/fields.py#L488-L528 https://github.com/chrismathew99/django_sample/blob/b2dc5a220bec6e06f917de39d3aa2346c7565b66/modelcluster/models.py#L1-L38

I also found the following external resources that might be helpful:

**Summaries of links found in the content:**

Step 2: ⌨️ Coding

[X] Modify modelcluster/fields.py ✓ https://github.com/chrismathew99/django_sample/commit/328873857e52e7366b5f5fdcb842ebc13d31ebfe Edit
Modify modelcluster/fields.py with contents:
• Replace the current implementation of the `_apply_rel_filters` method with one that ensures a copy of the queryset is returned. This is crucial for compatibility with Django's `prefetch_one_level()` function.
• To achieve this, modify the method to use `queryset.all()` instead of `queryset._next_is_sticky().all()`. The `all()` method returns a new QuerySet that is a copy of the current one, which is exactly what is needed for this fix.
• The modified method should look like this: ```python def _apply_rel_filters(self, queryset): """ Returns a copy of the queryset for compatibility with prefetch. """ return queryset.all() ```
• This change ensures that the method returns a copy of the queryset, thus preventing the overriding of the result cache of the singular Prefetch lookup queryset.

--- 
+++ 
@@ -82,7 +82,10 @@
             #
             # NOTE: _apply_rel_filters() must return a copy of the queryset
             # to work correctly with prefetch
-            return queryset._next_is_sticky().all()
+            """
+            Returns a copy of the queryset for compatibility with prefetch.
+            """
+            return queryset.all()

         def get_prefetch_queryset(self, instances, queryset=None):
             if queryset is None:
@@ -376,7 +379,10 @@

         def _apply_rel_filters(self, queryset):
             # Required for get_prefetch_queryset.
-            return queryset._next_is_sticky()
+            """
+            Returns a copy of the queryset for compatibility with prefetch.
+            """
+            return queryset.all()

         def get_object_list(self):
             """

[X] Running GitHub Actions for modelcluster/fields.py ✓ Edit
Check modelcluster/fields.py with contents:

Ran GitHub Actions for 328873857e52e7366b5f5fdcb842ebc13d31ebfe:

Step 3: 🔁 Code Review

I have finished reviewing the code for completeness. I did not find errors for sweep/fix_behavior_of_parentalkeys_and_prefetc.

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chrismathew99 / django_sample

Sweep: Fix behavior of ParentalKeys and prefetch_related() supplied with a lookup queryset #4