feat(arrow/array): Add `Builder.Truncate()` method - #981

Closed

serramatutu wants to merge 9 commits into

apache:mainfrom

serramatutu:serramatutu/Truncate

Commits on Jul 22, 2026

Add `Truncate` to `Builder` interface with blanket impl
serramatutu
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a85ac17
Implement `Truncate` for DictionaryBuilder
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045e08b
Implement `Truncate` for REE Builder
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0900ab1
Implement `Truncate` for FixedSizeListBuilder
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3d8918e
Implement `Truncate` for ListBuilder
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01356e3
Implement `Truncate` for MapBuilder
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380ad01
Implement `Truncate` for StructBuilder
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cda7611
Implement `Truncate` for Union Builders
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aa46e09
Add consistency test for `Truncate` for all relevant types
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d896f39