goutamadwant commented on issue #12268:
URL: https://github.com/apache/seatunnel/issues/12268#issuecomment-5983653112

   Following some feedback, I've added opt-in column lineage to the proposal: 
section 7 - with measured impact in the new Impact section.
   
   @SEZ9 @DanielLeens this changes the earlier "no column lineage in V1". Could 
you review D7–D9?
   - D7: `?level=column` (plus `table=`); the default response is unchanged.
   - D8: optional `SupportsColumnLineage` in `seatunnel-api`; V1 covers jobs 
without transforms and `Copy`, `FieldMapper`, `Filter`, `Replace`. Anything 
else is reported as unknown.
   - D9: column data captured with the snapshot, capped at 100,000 columns.
   
   Phases 1–3 (table level, #12619) are unaffected. Let me know. thanks


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