I'd be happy to code this up, but I wonder if there are catches that exist
which are why it doesn't exist already...
On 9 Sep 2010, at 09:11, Johannes J. Schmidt wrote:
> In my application i use update handlers to insert user information into
> the documents.
> However, I am not able to insert that information when updating
> attachments via the attachment API. I can write an update function to
> update attachments but
> 1) I have to encode those attachments as Base64 and
> 2) it reaches a limit: Uncaught error in HTTP request:
> {exit,{body_too_large,content_length}}
>
> Greetings
> Johannes
>
> Am Donnerstag, den 09.09.2010, 08:57 +0100 schrieb James Jackson:
>> There is discussion on it in this ticket:
>>
>> https://issues.apache.org/jira/browse/COUCHDB-441
>>
>> However, it appears to have morphed into what we have available today.
>>
>> Regards,
>> James.
>>
>> On 9 Sep 2010, at 08:56, Johannes J. Schmidt wrote:
>>
>>> Hi James,
>>>
>>> From my point of knowledge this is not possible.
>>> I would also very appreciate such a functionality to achieve exactly the
>>> same as you describe.
>>> I think this would be useful for many use cases.
>>>
>>> Does anybody knows more about this topic? Is this a planned feature?
>>>
>>> Greetings
>>> Johannes
>>>
>>> Am Donnerstag, den 09.09.2010, 08:46 +0100 schrieb James Jackson:
>>>> Hi Johannes,
>>>>
>>>> Thank you - so from what I can see, it isn't actually possible in
>>>> intercept all document inserts and modify them server-side? The update
>>>> handler functionality appears to only be able to modify existing docs, or
>>>> create a new one, and even then has to be called with a special URL syntax.
>>>>
>>>> What I would like to achieve (for implementation of a security policy) is
>>>> to be able to add some information from the userCtx object to every
>>>> document on an initial PUT / POST, without requiring the user to call
>>>> something explicitly different. While I could steam ahead and patch our
>>>> version of CouchDB to perform this, I'd rather not diverge from the trunk
>>>> more than we already have (with the addition of custom HTTP auth handlers).
>>>>
>>>> Is there any way to accomplish this at present?
>>>>
>>>> Regards,
>>>> James.
>>>>
>>>> On 9 Sep 2010, at 06:08, Johannes J. Schmidt wrote:
>>>>
>>>>> Hi James,
>>>>>
>>>>> Update handlers are not automatically executed on regular document
>>>>> updates. Instead, you have to PUT your update to an URL like
>>>>>
>>>>> $HOST/$DB/_design/update/_update/add_user
>>>>>
>>>>> You will have to process every property manually inside the update
>>>>> function.
>>>>>
>>>>> Read more about update handlers in the wiki:
>>>>> http://wiki.apache.org/couchdb/Document_Update_Handlers
>>>>>
>>>>> Greetings
>>>>> Johannes
>>>>> Am Donnerstag, den 09.09.2010, 00:04 +0100 schrieb James Jackson:
>>>>>> Hi,
>>>>>>
>>>>>> I'm trying to implement a method to modify all documents before they are
>>>>>> written to the DB. From my poking around in various tickets, I believe
>>>>>> the updates entry in a design document is what I'm after (I'm running
>>>>>> 1.0.1).
>>>>>>
>>>>>> I have inserted the following design document into my database:
>>>>>>
>>>>>> {
>>>>>> "_id":"_design/update",
>>>>>> "_rev":"1-8800f3bdde13e5bcf6738635f0265b6d",
>>>>>> "language":"javascript",
>>>>>> "updates" : {
>>>>>> "add_user":"function(doc, req){doc.newauth = req.userCtx; return
>>>>>> [doc, \"ok\"];}"
>>>>>> }
>>>>>> }
>>>>>>
>>>>>> However, this does not appear to get run when putting a document to the
>>>>>> database (nothing in the debug log but the usual). Is this functionality
>>>>>> supported? Am I doing something funny? All help appreciated!
>>>>>>
>>>>>> Regards,
>>>>>> James.
>>>>>
>>>>> --
>>>>> Netzmerk GbR
>>>>> Johannes J. Schmidt
>>>>>
>>>>> http://netzmerk.com
>>>>> 0157 79 76 20 30
>>>>>
>>>>> Am Vierstückenpfuhl 3a
>>>>> 14167 Berlin
>>>>
>>>
>>> --
>>> Netzmerk GbR
>>> Johannes J. Schmidt
>>>
>>> http://netzmerk.com
>>> 0157 79 76 20 30
>>>
>>> Am Vierstückenpfuhl 3a
>>> 14167 Berlin
>>
>
> --
> Netzmerk GbR
> Johannes J. Schmidt
>
> http://netzmerk.com
> 0157 79 76 20 30
>
> Am Vierstückenpfuhl 3a
> 14167 Berlin
