Avoid a clone when creating BooleanArray from ArrayData#9159
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Dandandan merged 1 commit intoapache:mainfrom Jan 14, 2026
Merged
Avoid a clone when creating BooleanArray from ArrayData#9159Dandandan merged 1 commit intoapache:mainfrom
BooleanArray from ArrayData#9159Dandandan merged 1 commit intoapache:mainfrom
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scovich
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Jan 13, 2026
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| assert_eq!( | ||
| data.buffers().len(), | ||
| buffers.len(), | ||
| 1, | ||
| "BooleanArray data should contain a single buffer only (values buffer)" | ||
| ); | ||
| let values = BooleanBuffer::new(data.buffers()[0].clone(), data.offset(), data.len()); | ||
| let buffer = buffers.pop().expect("checked above"); |
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aside: it's a bit annoying that we can't just do let [buffer] = buffers else { ... }
(let [buffer] = buffers[..] else { ... } produces a slice ref that would match but only capture a borrow instead of consuming it like we want here)
Jefffrey
approved these changes
Jan 14, 2026
Dandandan
approved these changes
Jan 14, 2026
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Avoid all the clones! |
Dandandan
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Jan 15, 2026
# Which issue does this PR close? - Part of apache#9061 - broken out of apache#9058 # Rationale for this change Let's make arrow-rs the fastest we can and the fewer allocations the better # What changes are included in this PR? Apply pattern from apache#9114 # Are these changes tested? Existing tests # Are there any user-facing changes? No
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Which issue does this PR close?
make_array) #9061ArrayData(speed up reading from Parquet reader) #9058Rationale for this change
Let's make arrow-rs the fastest we can and the fewer allocations the better
What changes are included in this PR?
Apply pattern from #9114
Are these changes tested?
Existing tests
Are there any user-facing changes?
No