[GitHub] [couchdb] nickva commented on issue #4714: Changes feed with descending=true is incorrect

["nickva (via GitHub)" <gi...@apache.org>]

nickva commented on issue #4714:
URL: https://github.com/apache/couchdb/issues/4714#issuecomment-1663042658

   I guess a plausible interpretation of the pending number is that it reflects both the direction and offset from the end of the changes feed, regardless in which direction we're traversing it.
   
   In a simple `q=1` case with 5 changes:
   
    * If `limit=2&descending=false` we emit `2` docs and get pending = `+3`. That is, `3` more docs to go forward to get to `5` (the last seq value).
   
    * If we do `limit=2&descending=true`, we get pending = `-2` since we have to go `2` docs _backwards_ to get to the top (`5`). 
   
   
   


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