fix: [9018]Fixed RunArray slice offsets(row, cast, eq)#9213
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alamb merged 1 commit intoapache:mainfrom Jan 27, 2026
Merged
fix: [9018]Fixed RunArray slice offsets(row, cast, eq)#9213alamb merged 1 commit intoapache:mainfrom
alamb merged 1 commit intoapache:mainfrom
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This looks quite good; thanks for the comments explaining the logic in the equal implementation 👍
| let r_runs = r_end_phys - r_start_phys + 1; | ||
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| if l_runs == r_runs { | ||
| // When the boundaries align perfectly, we don't need the complex stepping loop that calculates overlaps. |
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Thanks for these comments, they really helped my understanding of this code 👍
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Very cool! I'm generally happy with this implementation, but without having thought about it too much, I think this implementation may not be very auto-vectorizable by the compiler. Maybe it's impossible, or even not important, since ranges are already covered, but perhaps something to think about for future optimizations.
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Sorry for not reviewing in time! Please don't give up on tagging me! 😄 |
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Which issue does this PR close?
RunArrays #9018 .Rationale for this change
The existing implementation had issue for row or cast ops for RunArray. The equality implementation also did not support logical index-based comparisons.
What changes are included in this PR?
Are these changes tested?
Yes
Are there any user-facing changes?
No.