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https://issues.apache.org/jira/browse/COUCHDB-902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982824#action_12982824
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Adam Kocoloski commented on COUCHDB-902:
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The patch I'm proposing to couch_httpd_db is pretty simple:
diff --git a/src/couchdb/couch_httpd_db.erl b/src/couchdb/couch_httpd_db.erl
index 1767d9c..02e1aa4 100644
--- a/src/couchdb/couch_httpd_db.erl
+++ b/src/couchdb/couch_httpd_db.erl
@@ -1020,8 +1020,10 @@
db_attachment_req(#httpd{method=Method,mochi_req=MochiReq}=Req, Db, DocId, FileN
end
end,
- #doc{atts=Atts} = Doc,
+ #doc{atts=Atts, revs = {Pos, Revs}} = Doc,
DocEdited = Doc#doc{
+ % prune revision list as a workaround for key tree bug (COUCHDB-902)
+ revs = case Revs of [] -> {Pos, []}; _ -> {Pos, [hd(Revs)]} end,
atts = NewAtt ++ [A || A <- Atts, A#att.name /= FileName]
},
{ok, UpdatedRev} = couch_db:update_doc(Db, DocEdited, []),
However, my current stumbling block is that I cannot get
attachment_conflicts.js to fail on a stock 1.0.x build. I haven't looked into
it further yet. Will look again in a couple of hours.
> Attachments that have recovered from conflict do not accept attachments.
> ------------------------------------------------------------------------
>
> Key: COUCHDB-902
> URL: https://issues.apache.org/jira/browse/COUCHDB-902
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Environment: trunk
> Reporter: Paul Joseph Davis
> Priority: Critical
> Fix For: 1.0.2, 1.1
>
> Attachments: 0001-Fix-COUCHDB-902.patch, couchdb-902-test-case.py
>
>
> Apparently if a document has been in a conflict, they will reject requests to
> add an attachment with a conflict error.
> I've tracked this down to couch_db_updater.erl line 501, but I'm not too
> familiar with this part of the code so I figured I'd fill out a ticket in
> case anyone else can go through this more quickly than me.
> Sure would be nice if I could attach a file when I create an issue...
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