wohali commented on a change in pull request #1470: Fix calculation of external 
size for attachments
URL: https://github.com/apache/couchdb/pull/1470#discussion_r235799000
 
 

 ##########
 File path: src/couch/src/couch_db.erl
 ##########
 @@ -914,7 +914,18 @@ prep_and_validate_update(Db, #doc{id=Id,revs={RevStart, 
Revs}}=Doc,
         % new doc, and we have existing revs.
         % reuse existing deleted doc
         if OldFullDocInfo#full_doc_info.deleted orelse AllowConflict ->
-            {validate_doc_update(Db, Doc, fun() -> nil end), Doc};
+            case couch_doc:has_stubs(Doc) of
+                true ->
+                    #full_doc_info{rev_tree=RevTree} = OldFullDocInfo,
+                    Leafs = couch_key_tree:get_all_leafs(RevTree),
+                    [{Leaf, DiskRevs} | _] = lists:reverse(Leafs),
 
 Review comment:
   @eiri thanks :) no problem. If this is going to be too big to get into 
2.3.0, that's fine -- and I know people in the US are off until Monday -- so 
willing to be lenient here if this is still making progress.
   
   Thank you again for all your hard work :)

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