friendlymatthew opened a new pull request, #8891: URL: https://github.com/apache/arrow-rs/pull/8891
# Rationale for this change This PR introduces `UnionFields::try_new` and `UnionFields::from_fields` as replacements for the "unsafe" `UnionFields::new` constructor, which is now deprecated Previously, `UnionFields` could be constructed with invalid invariants including negative type ids, duplicate type ids, or duplicate fields. Since `UnionArrays` index by type id, negative values cause panics at runtimes and duplicates break comparisons. `UnionFields::try_new` validates that type ids are non-negative, unique, under 128, and that fields are unique, returning an error if any constraint is violated. `UnionFields::from_fields` is a convenience constructor that auto-assigns sequential type ids starting from 0. (Will panic if it exceeds 128 elements) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
