jiangphcn commented on a change in pull request #1085: Return update_seq and
offset when update_seq is true and keys is set
URL: https://github.com/apache/couchdb/pull/1085#discussion_r161421795
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File path: src/fabric/src/fabric_view_all_docs.erl
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@@ -59,7 +59,8 @@ go(DbName, Options, QueryArgs, Callback, Acc0) ->
conflicts = Conflicts,
skip = Skip,
keys = Keys0,
- extra = Extra
+ extra = Extra,
+ update_seq = UpdateSeq
Review comment:
Thanks @iilyak. However, wants to double check with you whether we need two
commits. Actually, the definition for `mrargs` was not changed.
https://github.com/apache/couchdb/blob/master/src/couch_mrview/include/couch_mrview.hrl#L86.
The `update_seq` filed was already present in any nodes in mixed cluster. In
my newly introduced codes, the value of `update_seq` field is fetched here and
used to check whether we need to return update_seq value or not. If request is
sent to nodes which are not upgraded, update_seq information is not returned.
Otherwise, for upgraded nodes, the update_seq information will be returned.
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