ajantha-bhat commented on issue #6549:
URL: https://github.com/apache/iceberg/issues/6549#issuecomment-1376687568

   @huaxingao: Thanks for the proposal. 
   
   I was about to implement some CALL procedure to collect stats for partition 
level stats. 
   We can have a table-level NDV stats collection first and I can later improve 
it to collect partition-level stats.  Because we have concluded that writers 
cannot write stats in V2 format. It needs to bump the spec version to V3. So, 
the only way to collect stats in V2/V1 format is via ANALYZE TABLE or CALL 
procedure. 
   More info about partition level stats can be found here: 
https://www.mail-archive.com/[email protected]/msg03885.html
   
   Does partition-level stats help Spark-3.4 too? 


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