[Feature Request] Reverse UniForm

[lzlfred]

Feature request

Which Delta project/connector is this regarding?

• [x] Spark
• [ ] Standalone
• [ ] Flink
• [ ] Kernel
• [ ] Other (fill in here)

Overview

This issue asks for reverse UniForm for enhanced Interoperability.

Motivation

The existing Delta UniForm is one-direction as it enables read Delta as Iceberg; Thus this asks for the other direction to read Iceberg as Delta.

Willingness to contribute

The Delta Lake Community encourages new feature contributions. Would you or another member of your organization be willing to contribute an implementation of this feature?

• [x] Yes. I can contribute this feature independently.
• [x] Yes. I would be willing to contribute this feature with guidance from the Delta Lake community.
• [ ] No. I cannot contribute this feature at this time.

[felipepessoto]

@lzlfred how this would work? It would generate Delta Log on the fly?