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Revert "SQL style null-on-empty semantics for Sum and Mean" - #9324

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joseph-isaacs merged 1 commit into
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revert-9113-mk/unify-sums-v2
Aug 10, 2026
Merged

joseph-isaacs merged 1 commit into
developfrom
revert-9113-mk/unify-sums-v2

Revert "SQL style null-on-empty semantics for Sum and Mean (#9113)"

00d28df
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CodSpeed / CodSpeed Performance Analysis failed Aug 10, 2026

Performance Regression: -1.51%

⚡ 11 improved benchmarks
❌ 8 regressed benchmarks
✅ 1921 untouched benchmarks
⏩ 89 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation list_sum_nullable_elements_medium 4.7 ms 11.6 ms -59.25%
❌ Simulation list_sum_nullable_elements_large 464.5 ms 1,093.8 ms -57.54%
❌ Simulation listview_sum_large 150.5 ms 231.7 ms -35.04%
❌ Simulation fsl_sum_medium 1.2 ms 1.7 ms -33.2%
❌ Simulation list_sum_large 185.3 ms 275.4 ms -32.7%
❌ Simulation fsl_sum_large 96.5 ms 140 ms -31.04%
❌ Simulation listview_sum_medium 1.6 ms 2.1 ms -23.35%
❌ Simulation list_sum_medium 2 ms 2.5 ms -21.37%
⚡ Simulation sum_f64_all_valid 196.6 µs 88.1 µs ×2.2
⚡ Simulation sum_i32_nullable_all_valid 188.5 µs 95.7 µs +96.96%
⚡ Simulation fsl_sum_small 213.4 µs 135.5 µs +57.48%
⚡ Simulation sum_i32_clustered_nulls 232.6 µs 151 µs +54.05%
⚡ Simulation sum_f64_clustered_nulls 241.3 µs 158.9 µs +51.81%
⚡ Simulation listview_sum_small 224.3 µs 176.2 µs +27.28%
⚡ Simulation list_sum_small 317.6 µs 279.4 µs +13.7%
⚡ Simulation sparse_null_count 86.3 µs 76.3 µs +13.06%
⚡ Simulation search_index_in_range_chunked 6.4 ms 5.8 ms +10.83%
⚡ Simulation sparse_sum 571.5 µs 517.5 µs +10.43%
⚡ Simulation null_count_run_end[(10000, 1024, 0.5)] 84.8 µs 77 µs +10.03%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing revert-9113-mk/unify-sums-v2 (00d28df) with develop (4b37237)

Open in CodSpeed

Footnotes

  1. 89 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩