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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-687) Add md5 hash to _attachments properties for documents
Date Thu, 19 May 2011 10:38:47 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036108#comment-13036108
] 

Filipe Manana commented on COUCHDB-687:
---------------------------------------

Thanks for bringing this up Jason.
It has been on my list for applying for too long really.
Probably just changing the name of the new attachment field attribute from "md5" to "digest"
 and adding a "digest_type": "md5" will be ok.

Juuso, do you want to update the patch?

> Add md5 hash to _attachments properties for documents
> -----------------------------------------------------
>
>                 Key: COUCHDB-687
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-687
>             Project: CouchDB
>          Issue Type: Improvement
>         Environment: CouchDB
>            Reporter: mikeal
>            Assignee: Filipe Manana
>         Attachments: couchdb-md5-in-attachment-COUCHDB-687-v2.patch, couchdb-md5-in-attachment-COUCHDB-687-v3.patch,
couchdb-md5-in-attachment-COUCHDB-687.patch, md5.patch
>
>
> The current attachment information looks like this:
> GET /dbname/docid
> "_attachments": {
>       "jquery-1.4.1.min.js": {
>           "content_type": "text/javascript"
>           "revpos": 138
>           "length": 70844
>           "stub": true
>       }
> }
> If a client wanted to sync local files as attachments with a document it would not currently
be able to do so without keeping a local store of the revpos. If this information included
an md5 hash of the attachment clients could compare it against a hash of the local file to
see if they match.
> -Mikeal

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