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Date: Fri, 1 Jul 2011 21:37:28 +0000 (UTC)
From: "Benoit Chesneau (JIRA)" <jira@apache.org>
To: dev@couchdb.apache.org
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Subject: [jira] [Commented] (COUCHDB-857) no continuous replication with
 doc_ids param
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    [ https://issues.apache.org/jira/browse/COUCHDB-857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13058822#comment-13058822 ] 

Benoit Chesneau commented on COUCHDB-857:
-----------------------------------------

mmm I think it was done  right after I added the doc_ids filter. At least when I read the code of the new replicator I've found:

https://github.com/benoitc/couchdb/blob/master/src/couchdb/couch_api_wrap.erl#L334

Filipe?

> no continuous replication with doc_ids param
> --------------------------------------------
>
>                 Key: COUCHDB-857
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-857
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 0.11.1, 0.11.2, 0.11.3, 1.0, 1.0.1, 1.0.2
>            Reporter: Benoit Chesneau
>
> I investigated more on this problem : 
> http://markmail.org/message/bazjkhmwcrdp3kcf
> I've found that that *continuous* replication isn't possible with "doc_ids" parameter. I confirmed this reading the code :
>     DocIds = couch_util:get_value(<<"doc_ids">>, PostProps, nil),
>  
>     ... snip ...
>     case DocIds of
>     List when is_list(List) ->
>         % Fast replication using only a list of doc IDs to replicate.
>         % Replication sessions, checkpoints and logs are not created
>         % since the update sequence number of the source DB is not used
>         % for determining which documents are copied into the target DB.
>      
>         ..... snip
>     _ ->
>         % Replication using the _changes API (DB sequence update numbers).
> Why can't we have continuous replication with "doc_ids" ? 

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