Tracking Issue: UUID Extension Type

[connortsui20]

UUID

This is a tracking issue for adding a UUID extension type to Vortex.

UUID is a 16-byte (128-bit) type that represents a universally unique identifier.

Our implementation will make use of the popular uuid Rust crate.

TODO?

Prior Art

• Arrow has a canonical extension type UUID

Steps / History

Related: RFC#5

• Add a UUID extension type #6832
• Validate that the array contains valid UUID (according to optional version as well)
• Add to Arrow export
• Add to DuckDB export
• Add expression implementations
  • Cast for to_string and from_string? How do we do pluggable expressions?
  • Figure out what expressions are needed
• ?

Unresolved Questions

• Should this be implemented on top of a FixedSizeBinary type instead?

CC @gatesn @asubiotto