Kriskras99 commented on code in PR #512:
URL: https://github.com/apache/avro-rs/pull/512#discussion_r3032068083
##########
avro/src/schema/union.rs:
##########
@@ -74,7 +81,116 @@ impl UnionSchema {
&self.schemas
}
- /// Returns true if the any of the variants of this `UnionSchema` is
`Null`.
+ /// Get the variant at the given index.
+ pub fn get_variant(&self, index: usize) -> Result<&Schema, Error> {
+ self.schemas.get(index).ok_or_else(|| {
+ Details::GetUnionVariant {
+ index: index as i64,
+ num_variants: self.schemas.len(),
+ }
+ .into()
+ })
+ }
+
+ /// Get the index of the provided [`SchemaKind`].
+ ///
+ /// The schema must not be a logical type, as only the base type are saved
in the lookup index.
+ pub(crate) fn index_of_schema_kind(&self, kind: SchemaKind) ->
Option<usize> {
+ self.variant_index.get(&kind).copied()
+ }
+
+ /// Get the index and schema for the provided name.
+ ///
+ /// Will use `names` to resolve references.
+ pub(crate) fn find_named_schema<'s>(
+ &'s self,
+ name: &str,
+ names: &'s HashMap<Name, impl Borrow<Schema>>,
+ ) -> Result<Option<(usize, &'s Schema)>, Error> {
+ for index in self.named_index.iter().copied() {
+ let schema = &self.schemas[index];
+ if let Some(schema_name) = schema.name()
+ && schema_name.name() == name
Review Comment:
No, it is used for matching Rust type names to schemas which don't include
the namespace. I've updated the documentation to make that more explicit.
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