sdf-jkl commented on code in PR #9677:
URL: https://github.com/apache/arrow-rs/pull/9677#discussion_r3076405217
##########
arrow-schema/src/extension/mod.rs:
##########
@@ -257,6 +257,15 @@ pub trait ExtensionType: Sized {
/// this extension type.
fn try_new(data_type: &DataType, metadata: Self::Metadata) -> Result<Self,
ArrowError>;
+ /// Validate this extension type for a field with the given data type and
+ /// metadata.
+ ///
+ /// The default implementation delegates to [`Self::try_new`]. Extension
+ /// types may override this to validate without constructing `Self`.
+ fn validate(data_type: &DataType, metadata: Self::Metadata) -> Result<(),
ArrowError> {
+ Self::try_new(data_type, metadata).map(|_| ())
Review Comment:
filed here:
- https://github.com/apache/arrow-rs/issues/9708
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