rdblue commented on code in PR #40:
URL: https://github.com/apache/iceberg-python/pull/40#discussion_r1351003830
##########
pyiceberg/avro/resolver.py:
##########
@@ -233,7 +255,107 @@ def skip(self, decoder: BinaryDecoder) -> None:
pass
-class SchemaResolver(PrimitiveWithPartnerVisitor[IcebergType, Reader]):
+class WriteSchemaResolver(PrimitiveWithPartnerVisitor[IcebergType, Writer]):
+ def schema(self, schema: Schema, expected_schema: Optional[IcebergType],
result: Writer) -> Writer:
+ return result
+
+ def struct(self, struct: StructType, provided_struct:
Optional[IcebergType], field_writers: List[Writer]) -> Writer:
+ if not isinstance(provided_struct, StructType):
+ raise ResolveError(f"File/write schema are not aligned for struct,
got {provided_struct}")
+
+ provided_struct_positions: Dict[int, int] = {field.field_id: pos for
pos, field in enumerate(provided_struct.fields)}
+
+ results: List[Tuple[Optional[int], Writer]] = []
+ iter(field_writers)
+
+ for pos, write_field in enumerate(struct.fields):
+ if write_field.field_id in provided_struct_positions:
+
results.append((provided_struct_positions[write_field.field_id],
field_writers[pos]))
+ else:
+ # There is a default value
+ if isinstance(write_field, NestedField) and
write_field.write_default is not None:
+ # The field is not in the record, but there is a write
default value
+ default_writer = DefaultWriter(
+ writer=visit(write_field.field_type,
CONSTRUCT_WRITER_VISITOR), value=write_field.write_default
Review Comment:
I'm reluctant to fix this with types since I think that in the long term we
will support nested data. Seems like we should just have an assertion for now.
--
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: issues-unsubscr...@iceberg.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For additional commands, e-mail: issues-h...@iceberg.apache.org
