Thanks for the proposal! I commented on the doc. Glad to see more attention to this use case. We might need to do some homework regarding support for "pre-signed URLs" for java implementation and the subprojects. There might be some feature gaps iirc, but this is an area I'm interested to improve.
Best, Kevin Liu On Tue, Jun 30, 2026 at 7:43 PM William Hyun <[email protected]> wrote: > Hi everyone, > > I'd like to open a discussion on an extension to the REST Catalog spec to > enable file-level access delegation during scan planning. > Today, delegated access is table-scoped, which can force over-provisioning > or table fragmentation when consumers should only see a subset of > partitions or records. > This proposal adds a path using pre-signed URLs to make partition-scoped > sharing practical in the REST Catalog model. > > Here is my proposal: https://s.apache.org/n16st > > I look forward to hearing your thoughts. > > Relevant discussion: > - https://lists.apache.org/thread/ko9kp0gvzhx85n7cvoxqnpw4vwnhmdg6 > > Best, > William > >
