On Oct 21, 2008, at 18:23 , Jonathan Moss wrote:
Thanks Bradford,
That allowed me to track down the issue. It seems that when the PHP
classes serialize the document in json for saving the _rev is cast
to an integer. The rev numbers are often larger than the maximum
integer value PHP supports and it therefore I end up with a -ve
number and the revisions obviously don't match and I get a 412 -
conflict.
I then cast the value to a float which is done elsewhere in the
library. This still resulted in a 412. So I looked at the raw put
data from the request and compared it to the raw get data I got in
the first place. The only difference was the by casting to a float
_rev was encoded as:
"_rev":123456789
whereas I received it as:
"_rev":"123456789"
By casting as a string just before json encoding I now get a much
happier 201 status code during my testing. Should the server really
be quibbling over the data type? Not a problem if it does but it was
a difficult one to track down.
and from Nick:
Why are you casting it from a string in the first place? Just treat
it as an
opaque value and return it to the server as sent to you. Besides,
you can't
represent every possible 64 bit integer in a double anyway.
For a brief time, CouchDB's revision ids were integers. That is when
CouchSimple was written and I was probably too lazy to keep the wiki
updated. Sorry! :)
Cheers
Jan
--
Regards,
Jon
I believe a 412 is a conflict, anyone care to prove me wrong?
----- Original Message ----
From: Jonathan Moss <[EMAIL PROTECTED]>
To: couchdb-user@incubator.apache.org
Sent: Tuesday, October 21, 2008 3:07:43 AM
Subject: Re: 412 on update
Hi everyone,
I am using the CouchDB PHP library (from http://couchprojects.googlecode.com/svn/trunk/libraries/php/)
to communicate with the database an I am having some issues
updating a design document. When I try to save the design document
I receive a 412 HTTP status code. The code below is a
simplification of what I am doing but should explain what I am
trying to do.
$objCouch = new Couch(array("host" => localhost, "port" => 5984));
$objDesignDoc = $objCouch->database($strDB)->get("_design/
ADesignDoc";
$objFunction = new stdClass();
$objFunction->map = "function(doc){if(doc.Type = 'ANode')
{emit(doc.Name, doc);}}";
$objDesignDoc->views->$strFunc = $objFunction;
$objDesignDoc->save();
echo "Status: " . $objDesignDoc->lastStatusCode . "\n";
What does a 412 status code mean in this context and does anyone
have any idea what I can do to fix it?
Regards,
Jon
I should have mentioned I am using version 0.8.1 of CouchDB
Thanks,
Jon
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