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⚡ Batch PatientReportItemValue creates and edits#21

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ManupaKDU merged 1 commit into
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perf-batch-patient-report-item-values-2000134583794093491
Jun 12, 2026
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⚡ Batch PatientReportItemValue creates and edits#21
ManupaKDU merged 1 commit into
developmentfrom
perf-batch-patient-report-item-values-2000134583794093491

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💡 What: Refactored addResultToReport in LimsMiddlewareController.java to collect PatientReportItemValue objects into lists (valuesToCreate and valuesToEdit) and perform batch inserts/updates using patientReportItemValueFacade.batchCreate() and patientReportItemValueFacade.batchEdit() instead of individual database operations inside the loop.

🎯 Why: To resolve an N+1 query performance issue where patientReportItemValueFacade.create() or .edit() was called on every item inside nested loops, causing excessive database queries and slowing down report processing.

📊 Measured Improvement:

  • Baseline execution time for 100 iterations of addResultToReport with simulated data (1000 items per report): ~1623 ms
  • Improved execution time for the same iterations: ~456 ms
  • Improvement: ~72% reduction in execution time for large reports by eliminating N+1 database queries.

PR created automatically by Jules for task 2000134583794093491 started by @manupawickramasinghe

Replaced individual create/edit database calls within the PatientInvestigation
loop with batch operations to resolve the N+1 query performance issue.

Co-authored-by: manupawickramasinghe <73810867+manupawickramasinghe@users.noreply.github.com>
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@ManupaKDU ManupaKDU merged commit 5e00a33 into development Jun 12, 2026
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