snuyanzin opened a new pull request, #27616:
URL: https://github.com/apache/flink/pull/27616
## What is the purpose of the change
The PR is going to fix type mismatch issue in case of join 2 streams (each
with watermark)
In that case one for of them rel time indicator will materialized and this
was not taken into account while fixing of (FLINK-27519), before that it was
working, so it is a regression from 2.0
case to reproduce: see test
## Brief change log
StreamPhysicalOverAggregateRule
## Verifying this change
Test added
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: ( no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? ( no)
- If yes, how is the feature documented? (not applicable )
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