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From Martin Hilbig <blueo...@gmx.net>
Subject Document update conflict. and attachments
Date Mon, 24 Jan 2011 21:16:50 GMT
hi,

is this a known bug or even my fault?

create db:

curl -X PUT http://localhost:5984/fail
{"ok":true}

create doc:

curl -vX PUT http://localhost:5984/fail/doc -d '{}'
{"ok":true,"id":"doc","rev":"1-967a00dff5e02add41819138abb3284d"}

put attachment with nearly correct format ?rev=x-y

curl -vX PUT http://localhost:5984/fail/doc/att?rev=12-12345 -d '{}'
 > PUT /fail/doc/att?rev=12-12345 HTTP/1.1
 > User-Agent: curl/7.21.3 (x86_64-unknown-linux-gnu) libcurl/7.21.3 
OpenSSL/1.0.0c zlib/1.2.5
 > Host: localhost:5984
 > Accept: */*
 > Content-Length: 2
 > Content-Type: application/x-www-form-urlencoded
 >
< HTTP/1.1 500 Internal Server Error
< Server: CouchDB/1.0.1 (Erlang OTP/R14B)
< Date: Mon, 24 Jan 2011 21:08:53 GMT
< Content-Type: text/plain;charset=utf-8
< Content-Length: 62
< Cache-Control: must-revalidate
<
{"error":"{not_found,missing}","reason":"{12,<<\"12345\">>}"}

shouldn't look this like:

curl -X PUT 
http://localhost:5984/fail/doc/att?rev=1-967a00dff5e02add41819138abb3284d -d 
'{}'
{"ok":true,"id":"doc","rev":"2-25fb7eb27842ed11617f4e8656600c54"}

curl -vX PUT 
http://localhost:5984/fail/doc/att?rev=1-967a00dff5e02add41819138abb3284d -d 
'{}'
 > PUT /fail/doc/att?rev=1-967a00dff5e02add41819138abb3284d HTTP/1.1
 > User-Agent: curl/7.21.3 (x86_64-unknown-linux-gnu) libcurl/7.21.3 
OpenSSL/1.0.0c zlib/1.2.5
 > Host: localhost:5984
 > Accept: */*
 > Content-Length: 2
 > Content-Type: application/x-www-form-urlencoded
 >
< HTTP/1.1 409 Conflict
< Server: CouchDB/1.0.1 (Erlang OTP/R14B)
< Date: Mon, 24 Jan 2011 21:12:04 GMT
< Content-Type: text/plain;charset=utf-8
< Content-Length: 58
< Cache-Control: must-revalidate
<
{"error":"conflict","reason":"Document update conflict."}

to sum it up: couchdb only sends a correct 'document update conflict' on 
attachments, when you give a rev already in the documents history.

have fun
martin

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