Feature/302 #311
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Feature/302 #311
+176
−136
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500 is a number of statements that should be realistic for the export, note for @SimaoBolota-MetaCell for testing this. |
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Closes https://metacell.atlassian.net/browse/SCKAN-302
Eliminated N+1 query problem by using select_related and prefetch_related to fetch related objects in bulk before iterating over them.
Prefetched related data with filters by utilized Prefetch objects with filtered querysets for notes and tags.
Avoided conditional database calls in loops by replacing exists() checks followed by all() calls with a single fetch and a simple list check.
Exporting again the 140 statements that existed in the database @ddelpiano shared with me was tacking longer than 10 minutes before the changes. After it took 80.70 seconds:
2024-10-07 201242,420 - logs composer export.txt
I didn't individually check the export, but overall the content looks correct
2024-10-07 201242,420 - logs composer export.txt
Misc: