[IGNORE](cudf) cudf-exchange and core changes from ibm-research-preview changes #16214
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
These changes in PR should be complete ibm-research-preview changes on top of velox @ a25666b (latest used in presto as of Feb 2, 2026)
Author: @zoltan @dan13bauer @lga-zurich
Some fixes by @karthikeyann
This draft PR is to only view the relevant differences and split the changes to new PRs.
Do not merge.