jackye1995 commented on pull request #3269:
URL: https://github.com/apache/iceberg/pull/3269#issuecomment-959927842


   @wypoon @rdblue @huaxingao was there any consideration around the upcoming 
feature around branching?
   
   Based on the current syntax, it looks like we are assuming a linear history 
for time travel. Users can only:
   1. time travel on the main branch
   2. first switch the current branch to point to a different branch and then 
time travel in that branch
   
   There is no way to appoint a different branch to time travel, unless I do 
something like:
   
   ```
   SELECT * FROM table@my_branch TIMESTAMP AS OF '2019-01-29 00:37:58';
   ```
   
   Any thoughts?


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