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https://issues.apache.org/jira/browse/COUCHDB-1018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12989458#comment-12989458
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Paul Joseph Davis commented on COUCHDB-1018:
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Minor nit on the layout of that case statement. I'd prefer something more like:
case couch_db:open_doc_revs(Db, DocId, [Rev], []) of
{ok, [{ok, Doc0}]} -> Doc0;
{ok, [{{not_found, missing}, Rev}]} -> throw(conflict);
{ok, [Error]} -> throw(Error)
end
> trying to attach a file to a document and specifying a nonexistent revision
> number causes status code 500 in the HTTP response
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: COUCHDB-1018
> URL: https://issues.apache.org/jira/browse/COUCHDB-1018
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Reporter: Klaus Trainer
> Priority: Minor
> Attachments: 0001-Fix-COUCHDB-1018.patch
>
>
> When trying to attach a file to a document and specifying a nonexistent
> revision number, the HTTP response's status code is 500. This status code is
> plainly wrong, as there is definitely no Internal Server Error in that case.
> When trying to update a document body and specifying a nonexistent revision
> number, the HTTP response's status code is 409 (which is reasonable).
> Here, the resulting HTTP status codes should be consistent, i.e., independent
> of the fact whether a new version of the document body or an attachment is
> written.
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