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MINOR: [WIP] Add flat CASE Gandiva Java/JNI support - #43

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@StevenMPhillips StevenMPhillips commented Nov 11, 2026 •

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Add flat CASE expression serialization and Java/JNI support for the Gandiva CASE node. This PR now contains only CASE support and its tests.

C++ CASE prerequisite: dremio/arrow#155
Cache-only construction has moved to independent PR #44: #44
Dremio CASE integration: https://github.com/dremio/dremio/pull/31323

The previous combined source remains in commit 039f4ba. The separation uses an additive revert, preserving history. No fresh JNI build of this trimmed branch has been run.

@StevenMPhillips StevenMPhillips changed the title [WIP] Add flat CASE serialization and JNI support for Gandiva [WIP] Add flat CASE and cache-only Gandiva Java/JNI support Nov 12, 2026
@StevenMPhillips StevenMPhillips changed the title [WIP] Add flat CASE and cache-only Gandiva Java/JNI support MINOR: [WIP] Add flat CASE and cache-only Gandiva Java/JNI support Nov 13, 2026
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Thank you for opening a pull request!

Please label the PR with one or more of:

  • bug-fix
  • chore
  • dependencies
  • documentation
  • enhancement

Also, add the 'breaking-change' label if appropriate.

See CONTRIBUTING.md for details.

@StevenMPhillips StevenMPhillips changed the title MINOR: [WIP] Add flat CASE and cache-only Gandiva Java/JNI support MINOR: [WIP] Add flat CASE Gandiva Java/JNI support Nov 13, 2026
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