[jira] Updated: (COUCHDB-650) Add "now" option for ?since parameter on _changes

["Randall Leeds (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COUCHDB-650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Randall Leeds updated COUCHDB-650:
----------------------------------

    Attachment: 0001-add-since-now-option-to-continuous-catch-edge-cases-.patch

This patch adds the requested functionality.

Additionally, I took care of some edge cases while I was in there.

1) ?feed=continuous&descending=true now throws an error
2) numeric ?since will clamp to [0, db update_seq] (makes last_seq sane in the out of range cases)

Adds tests for descending=true conflict and since="now".

> Add "now" option for ?since parameter on _changes
> -------------------------------------------------
>
>                 Key: COUCHDB-650
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-650
>             Project: CouchDB
>          Issue Type: Improvement
>          Components: HTTP Interface
>            Reporter: Randall Leeds
>            Priority: Minor
>         Attachments: 0001-add-since-now-option-to-continuous-catch-edge-cases-.patch
>
>
> As per a discussion on IRC with mikeal, jan_____, whartung, and rnewson:
> Having _changes?since="now" allows clients to listen to only new changes without making two requests (one to extract seq from /db, and one _changes).

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