zinking commented on code in PR #35570:
URL: https://github.com/apache/arrow/pull/35570#discussion_r1278744780
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java/dataset/src/main/java/org/apache/arrow/dataset/scanner/ScanOptions.java:
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@@ -25,8 +26,9 @@
* Options used during scanning.
*/
public class ScanOptions {
- private final Optional<String[]> columns;
+ private final Optional<String[]> columnsSubset;
private final long batchSize;
+ private Optional<ByteBuffer> columnsProduceOrFilter;
Review Comment:
I'd suggest we still expose a simple unbound string in the interface, but
leaving the construction (ser/deser) process in the dataset jar itself.
I mean it's good to use subtrait as underlying implementation, but maybe we
should just keep the interfaces simple.
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