[GitHub] [arrow] davisusanibar commented on a diff in pull request #35570: GH-34252: [Java] Support ScannerBuilder::Project or ScannerBuilder::Filter as a Substrait proto extended expression

["davisusanibar (via GitHub)" <gi...@apache.org>]

davisusanibar commented on code in PR #35570:
URL: https://github.com/apache/arrow/pull/35570#discussion_r1303366332


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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:
   Hey @lidavidm, what's your take on this?



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