jiangphcn commented on issue #969: GET /db/_all_docs?update_seq=true missing 
'offset' and 'update_seq' when 'keys' also provided
URL: https://github.com/apache/couchdb/issues/969#issuecomment-357835682
 
 
   hey @dharders, when performing review on PR #1085, we found that  
   - although we can return offset and update_seq like  
https://github.com/apache/couchdb/pull/1085#issuecomment-357793594, it looks 
that this doesn't make more sense to caller. In non-sharding environment, the 
returned update_seq and offset during _all_docs is precise and stable. Instead, 
in sharding environment, offset is just a minimal offset on one of the db for 
one of the keys, not necessary first or last one, and update_seq is different 
depending on what shards return.
   - from Paul and Eric's comments, you can read more details 
https://github.com/apache/couchdb/pull/1085#issuecomment-357793594.
   
   So we want to check with you whether you would like couchdb to modify 
document to remove update_seq or offset statement in current context,  or 
modify codes to return null for them when _all_docs is called in sharing 
environment. 
   
   cc @davisp @eiri 

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