Chad Dombrova created BEAM-8172:
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Summary: Add a label field to FunctionSpec proto
Key: BEAM-8172
URL: https://issues.apache.org/jira/browse/BEAM-8172
Project: Beam
Issue Type: Improvement
Components: beam-model
Reporter: Chad Dombrova
Assignee: Chad Dombrova
The FunctionSpec payload is opaque outside of the native environment, which can
make debugging pipeline protos difficult. It would be very useful if the
FunctionSpec had an optional human readable "label", for debugging and
presenting in UIs and error messages.
For example, in python, if the payload is an instance of a class, we could
attempt to provide a string that represents the dotted path to that class,
"mymodule.MyClass". In the case of coders, we could use the label to hold the
type hint: "Optional[Iterable[mymodule.MyClass]]".
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