TheNeuralBit commented on code in PR #22561:
URL: https://github.com/apache/beam/pull/22561#discussion_r955205112
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sdks/python/apache_beam/coders/row_coder.py:
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@@ -163,10 +165,15 @@ def _nonnull_coder_from_type(field_type):
_coder_from_type(field_type.map_type.key_type),
_coder_from_type(field_type.map_type.value_type))
elif type_info == "logical_type":
- # Special case for the Any logical type. Just use the default coder for an
- # unknown Python object.
if field_type.logical_type.urn == PYTHON_ANY_URN:
+ # Special case for the Any logical type. Just use the default coder for
an
+ # unknown Python object.
return typecoders.registry.get_coder(object)
+ elif field_type.logical_type.urn == DATETIME_URN:
+ # Special case for datetime logical type.
+ # DATETIME_URN explicitly uses TimestampCoder which deals with fix length
+ # 8-bytes big-endian-long instead of varint coder.
+ return TimestampCoder()
Review Comment:
Ahhh ok, so it looks like the issue was using Python to generate the test
values. Another strategy might be to create the schema proto directly. But this
way works too and is probably less code, thanks!
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