I think it would be very handy if you could expose attributes from the feature cache. The main idea is that you would run a workspace once to build up your cache and use these features to get a list of possible attributes to be used in the AttributeExposer.
Especially when using a PythonCaller or a HTTPCaller that retrieves an arbitrary JSON structure, this would allow you to easily identify all required attributes.
What do you think?
+6Hi @denniswilhelm,
Thanks for posting!
This ties in to (a very popular!) idea posted here: https://knowledge.safe.com/idea/18842/bulkattributeexposer-expose-all-possible-attribute.html — Namely, "I would like an AttributeExposer that can optionally auto-populate with all available attributes when running the workspace. In other words, a transformer that scans the schema and adds all found attributes to the list (when set to 'record option'). Excluding fme_ and schema attributes would be helpful".
The main idea being, "As a user, please populate transformers with known attributes so that I can avoid having to manually type/remember attributes from upstream in my workflow". If this also captures your requirements, please vote there and I will consolidate these ideas to better reflect the demand for this functionality.
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