Simon Willnauer created LUCENE-8342:
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Summary: Can we enforce more properties on fields like uniquness
Key: LUCENE-8342
URL: https://issues.apache.org/jira/browse/LUCENE-8342
Project: Lucene - Core
Issue Type: New Feature
Affects Versions: master (8.0)
Reporter: Simon Willnauer
This is a spin-off from LUCENE-8335 where we discuss adding a boolean to
FieldInfo to check if the field is used for soft deletes. This has been a a
very delicate line we drew in the past but if we take a step back and think
about how we'd design a feature like IW#updateDocument(Term, Document) today
would we allow passing different fields to this API? It's just one example ie.
storing floats and ints in the same DV field is a different one. I personally
think it would be a good idea to be more strict on that end and I wonder what
others think.
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