rdblue commented on code in PR #6525:
URL: https://github.com/apache/iceberg/pull/6525#discussion_r1068436921
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python/pyiceberg/avro/reader.py:
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@@ -238,41 +249,50 @@ def skip(self, decoder: BinaryDecoder) -> None:
return self.option.skip(decoder)
-class StructProtocolReader(Reader):
- create_struct: Callable[[], StructProtocol]
- fields: Tuple[Tuple[Optional[int], Reader], ...]
+class StructReader(Reader):
+ field_readers: Tuple[Tuple[Optional[int], Reader], ...]
+ create_struct: Type[StructProtocol]
+ struct: Optional[StructType]
- def __init__(self, fields: Tuple[Tuple[Optional[int], Reader], ...],
create_struct: Callable[[], StructProtocol]):
- self.create_struct = create_struct
- self.fields = fields
-
- def create_or_reuse(self, reuse: Optional[StructProtocol]) ->
StructProtocol:
- if reuse:
- return reuse
- else:
- return self.create_struct()
+ def __init__(
+ self,
+ field_readers: Tuple[Tuple[Optional[int], Reader], ...],
+ create_struct: Optional[Type[StructProtocol]] = None,
Review Comment:
This creates an awkward situation where the struct is always passed to the
type's constructor. If we used `Callable[[StructType], StructProtocol]` instead
then the caller could pass in a lambda that ignores the struct type, rather
than adding requirements on the user's type.
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