kerwin-zk commented on PR #8214:
URL: https://github.com/apache/paimon/pull/8214#issuecomment-4688568901

   > How to support delete row ids? cc @leaves12138
   
   @JingsongLi   Deleted row ids are simply retired — they become holes in the 
row-id space. Surviving rows always keep their original row ids, and no 
physical `_ROW_ID` column is ever written, so row ids stay derived from 
`firstRowId + position`, exactly like the files produced by 
`DataEvolutionDeleteRewriter` in #8182 


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