Fix n+1 warning on filters endpoint#1631
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The FilterListSerializer serializes each list's nested filters, so listing filter lists issued a separate SELECT ... FROM api_filter per list. Adding prefetch_related batches all filter rows into a single additional query
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coverage: 100.0%. remained the same — filter-n+1-warning into main |
jb3
approved these changes
Jul 5, 2026
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The FilterListSerializer serializes each list's nested filters, so listing filter lists issued a separate SELECT ... FROM api_filter per list. Adding prefetch_related batches all filter rows into a single additional query