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Posted to dev@couchdb.apache.org by "Jan Lehnardt (JIRA)" <ji...@apache.org> on 2011/04/17 13:10:05 UTC

[jira] [Updated] (COUCHDB-1125) implement inclusive_start view option

     [ https://issues.apache.org/jira/browse/COUCHDB-1125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Lehnardt updated COUCHDB-1125:
----------------------------------

    Attachment: inclusive_start.patch

Patch to implement inclusive_start.

Touches the btree, needs thorough review!

Doesn't break any tests so far.

Patch includes streamlining of internal query args handling.

> implement inclusive_start view option
> -------------------------------------
>
>                 Key: COUCHDB-1125
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1125
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.2
>            Reporter: Jan Lehnardt
>            Priority: Minor
>         Attachments: inclusive_start.patch
>
>
> From COUCHDB-194:
> I suggest to generalize to left or/and right opened range. 
> Because, to select a left opened range of keys, we have to use a tip. 
> Exemple : 
> keys = [1, 2, 3, 4, 5] 
> to select where 2<key 
> We have to do : startkey=2&skip=1 
> But : 
> If keys are no unique, the "skip" tip no more works. 
> Ex: keys = [1, 2, 2, 3, 4, 5] 
> The request startkey=2&skip=1 doesn't work because a "2" key is returned. 
> (ps: non unique keys can be a wanted result)

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