Avoid a clone when creating ListArray from ArrayData#9194
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alamb merged 2 commits intoapache:mainfrom Jan 18, 2026
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Jan 15, 2026
| ))); | ||
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| let values = data.child_data()[0].clone(); |
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here we save a clone of ArrayData (and thus a Vec allocation)
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FYI @brancz in case you are interested -- I am trying to make creating such arrays faster |
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Looks good 🚀 |
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Thank you for the review @jhorstmann |
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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