jecsand838 commented on code in PR #8348:
URL: https://github.com/apache/arrow-rs/pull/8348#discussion_r2360030559
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arrow-avro/src/codec.rs:
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@@ -1149,6 +1345,67 @@ impl<'a> Maker<'a> {
return self.resolve_primitives(write_primitive, read_primitive,
reader_schema);
}
match (writer_schema, reader_schema) {
+ (Schema::Union(writer_variants), Schema::Union(reader_variants))
=> {
+ match (
+ nullable_union_variants(writer_variants.as_slice()),
+ nullable_union_variants(reader_variants.as_slice()),
+ ) {
+ (Some((w_nb, w_nonnull)), Some((_r_nb, r_nonnull))) => {
+ let mut dt = self.make_data_type(w_nonnull,
Some(r_nonnull), namespace)?;
+ dt.nullability = Some(w_nb);
+ Ok(dt)
+ }
+ _ => self.resolve_unions(
+ writer_variants.as_slice(),
+ reader_variants.as_slice(),
+ namespace,
+ ),
+ }
+ }
+ (Schema::Union(writer_variants), reader_non_union) => {
+ let mut writer_to_reader: Vec<Option<(usize, Promotion)>> =
+ Vec::with_capacity(writer_variants.len());
Review Comment:
Thats a bad habit I have during development to keep track of types. I'll
remove this as well.
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