kaanonuk opened a new issue, #35990:
URL: https://github.com/apache/beam/issues/35990
### What happened?
Not able to publish data when PubSub used as a sink in a batch pipeline.
```
# Publish to Pub/Sub with rate limiting
_ = messages | "PublishToPubSub" >> WriteToPubSub(
topic=known_args.pubsub_topic, with_attributes=True
)
def format_pubsub_message(record: dict[str, Any]) -> PubsubMessage:
"""Format a parquet record as a Pub/Sub message."""
message = {"url": record["url"].strip(), "source": "parquet_ingestion"}
data = json.dumps(message).encode("utf-8")
attributes = {"source": "parquet_ingestion"}
return PubsubMessage(data=data, attributes=attributes)
```
`standard_options.streaming = True` was needed to make this work, which is
suboptimal because, from a customer's perspective, the source
(bounded/unbounded) is what categorizes a streaming pipeline.
Besides the fix, can we update the documentation
(https://cloud.google.com/dataflow/docs/guides/write-to-pubsub) to make this
obvious and add a verbose error message to help with debugging?
### Issue Priority
Priority: 2 (default / most bugs should be filed as P2)
### Issue Components
- [x] Component: Python SDK
- [ ] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [x] Component: IO connector
- [ ] Component: Beam YAML
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Infrastructure
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
- [ ] Component: Samza Runner
- [ ] Component: Twister2 Runner
- [ ] Component: Hazelcast Jet Runner
- [ ] Component: Google Cloud Dataflow Runner
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