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From "Robert Newson (JIRA)" <>
Subject [jira] Commented: (COUCHDB-290) Include sequence number in update notifications
Date Mon, 16 Mar 2009 13:31:59 GMT


Robert Newson commented on COUCHDB-290:

@Jan I could, but I'm not going to. :) I'm not going to assume there's a time when "no more
new docs come in". Without some end condition, no new updates will become searchable. Again,
the reason I fetch the current update_seq is to prevent a runaway while loop in my code, I
could, instead, simply flush my changes to the index every N minutes or N changes (whichever
occurs first). Since there's interest in that model anyway, I guess it's moot.

For now, I'm happy with the way I handle update notifications, receiving the new update_seq
in the notification would just be tidier for my case.

As Damien mentioned on the dev list, update notification might be obsolete soon anyway, so
we'll all need to change to a different solution anyway.

> Include sequence number in update notifications
> -----------------------------------------------
>                 Key: COUCHDB-290
>                 URL:
>             Project: CouchDB
>          Issue Type: Improvement
>    Affects Versions: 0.9
>            Reporter: Elliot Murphy
>            Priority: Minor
>             Fix For: 0.9
>         Attachments: couchdb-sequences.patch, couchdb-sequences.patch
> Hi! There's been requests to include the sequence number when sending an update notification.
 Thanks to the guidance from davisp on #couchdb on March 13th, I've been able to put together
a little patch that does just that. In the future I'm interested in doing the same for the
create notification, and perhaps extending create/delete/update notifications to include a
list of affected doc IDs.
> For now though, just this simple patch.

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