wuwenchi commented on PR #4625:
URL: https://github.com/apache/iceberg/pull/4625#issuecomment-1114470602

   @stevenzwu Thanks for your reply!
   
   We have also considered this issue. 
   But in fact, when our users are using, more scenarios are that a table needs 
to be joined with many other tables, and each association may be a separate 
task, so the watermak attributes of these tasks are actually the same.
   If we don't have this feature, users have to look at the watermark property 
of other tasks to create a new task.
   
   So my thoughts are:   For the same table
   1. If you need different watermark attributes, you can use the flink 
connector to achieve it, create a connector for each task, and then specify 
different watermarks.
   2. If you need the same watermark attributes, you can use the iceberg table 
directly.


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