deepthi912 opened a new pull request, #17624:
URL: https://github.com/apache/pinot/pull/17624

   Reference: In an Upsert table, detecting the changes in table configs like 
primary key, comparison columns, metadataTTL, deletedKeysTTL, hashFunction, 
partition column, number of partitions would effect the existing valid docs, so 
invalidating those valid docids and creating new snapshots is important for 
correctness of existing segments. This PR would help us fix that.
   
   In partial Upsert tables, we don't usually recommend doing that as the 
records are in general made valid and merged looking into previous records. 
Changing the valid docids again would make the existing setup go into 
inconsistent state


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