[GitHub] [trafficcontrol] mitchell852 commented on issue #3493: Move TO DS nonversioned logic to separate file.

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mitchell852 commented on issue #3493: Move TO DS nonversioned logic to separate file.
URL: https://github.com/apache/trafficcontrol/pull/3493#issuecomment-484192729
 
 
   i do think making the current way easier is a big plus as i just went thru adding a field to a DS and it was painful. 
   
   the data loss is concerning, however. just so i understand the problem @rawlinp @rob05c 
   
   1.2 client makes an api request to PUT /api/1.2/foos/1 with { a: 1, b: 2, c: 3 }
   
   in 1.3, d was added with a default of 0
   in 1.4, e was added with a default of 0
   
   so basically that call to PUT /api/1.2/foos/1 will result in
   a=1
   b=2
   c=3
   d=0
   e=0
   
   when there might have been some real values in d and e for foo=1...
   

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