Hi Ayush, Sorry about the delay. I'll try to review soon :)
Cheers, Dmitri. On Wed, Jul 1, 2026 at 1:28 PM Ayush Saxena <[email protected]> wrote: > Hi Folks, > I recently opened a PR to introduce support for staged table creations > within the commitTransaction REST API endpoint [1]. Because this > touches core transactional boundaries, I wanted to bring it to the dev > list for discussion and feedback. > > Currently, Polaris throws a BadRequestException if a > CommitTransactionRequest contains an updateForStagedCreate (identified > by the AssertTableDoesNotExist requirement). This prevents compute > engines from executing multi-table transactions that involve creating > new tables alongside updating existing ones. From the Iceberg client's > perspective, it builds the table metadata locally and expects to > commit the new tables and updates in a single server roundtrip. > > This PR aims to remove this restriction so Polaris can process mixed > batches of staged creates and regular updates atomically. > > I'd love to get the community's thoughts on supporting this flow and > hear any high-level feedback you might have. The PR is here [1] > > -Ayush > > [1] https://github.com/apache/polaris/pull/4939 >
