DanielLeens commented on issue #11273:
URL: https://github.com/apache/seatunnel/issues/11273#issuecomment-4884354030
Thanks for volunteering on this one.
Your proposed approach is the right one: please verify the current
implementation first, then update both the English and Chinese docs so the
documented behavior matches the real placeholder expansion path instead of
examples only.
A good patch here should answer three points very directly:
1. whether `${primary_key}` can be mixed with literal key columns
2. how duplicates are handled after expansion
3. whether the behavior is the same for single-table and multi-table jobs
Please go ahead and treat this issue as yours to work on. If anything is
unclear while verifying the current behavior in code, feel free to ask in the
thread.
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