MOBIN-F commented on pull request #3095:
URL: https://github.com/apache/iceberg/pull/3095#issuecomment-966852774


   > > > > > @MOBIN-F It's true, this PR translate update to -D and +I.
   > > > > 
   > > > > 
   > > > > It will query the record(1,qq). but this record is from before the 
update, Is that right?
   > > > 
   > > > 
   > > > If you don't query op of data, you will get only one result (1,aa).
   > > 
   > > 
   > > Sorry, I don't understand how to get only one result(1,aa). Could you 
tell me how to do that?
   > 
   > 
https://ci.apache.org/projects/flink/flink-docs-release-1.13/zh/docs/dev/table/sqlclient/
   > 
   > client mode can help you to do that
   
   Thanks ,After testing, the PR is problematic, there will be duplicate data 
in batch read, not suitable for Upsert stream and join scenario also have 
problems,
   I'm  trying to implement this feature according to the design documentation


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