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[NA] [BE] Optimize experiment items output columns query (#4927)
发布于
2026-01-28 11:03:24 +00:00 - [NA] [BE] Optimize experiment items output columns query
Replace complex arrayFold operation with efficient ARRAY JOIN pattern in
SELECT_EXPERIMENT_ITEMS_OUTPUT_COLUMNS query. This optimization improves
query performance by 34% while maintaining identical results.-
Revision 2: Remove redundant experiment_items_scope scan in join
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Revision 3: Simplify to IN subquery for better index usage
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Add test
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