lazarillo commented on issue #21600:
URL: https://github.com/apache/beam/issues/21600#issuecomment-1873925030
I normally don't add any "me, too" comments, but it has been over 1.5 years
and this issue is still there and it seems there is no follow-up.
In my case, I am receiving this data type from Pub/Sub's publish time:
```python
messages: PCollection[Dict[str, Any]] = (
pipeline
| f"Read Subscript"
>> ReadFromPubSub(
subscription=subscription_full_path,
id_label="message_id",
with_attributes=True,
).with_output_types(PubsubMessage)
| "Decode JSON" >> ParDo(JsonLoad()).with_output_types(dict)
| "Include subscription name"
>> Map(lambda x: {**x, "subscription_name":
subscription}).with_output_types(
dict
)
)
```
(`JsonLoad` is a `DoFn` that is _almost_ exactly just a `Map` of
`json.loads`, but capturing attributes and managing incorrect incoming data.)
The data `PCollection` that I receive from `ReadFromPubSub` includes a
`publish_time` that is `DatetimeWithNanoseconds`:
```python
{
'message_id': '9961304079927039',
...,
'publish_time': DatetimeWithNanoseconds(2024, 1, 2, 10, 16, 22, 762000,
tzinfo=datetime.timezone.utc)
}
```
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