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Posted to dev@couchdb.apache.org by "Paul Joseph Davis (JIRA)" <ji...@apache.org> on 2009/10/15 00:58:31 UTC
[jira] Commented: (COUCHDB-528) Views and keyed access
[ https://issues.apache.org/jira/browse/COUCHDB-528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765800#action_12765800 ]
Paul Joseph Davis commented on COUCHDB-528:
-------------------------------------------
Meno,
The keys in the POST'ed body should refer to the key that was emitted by the view. If that request works with _all_docs and you're wanting to use that with a view, your emit statement should be emit(doc._id, null).
Paul
> Views and keyed access
> ----------------------
>
> Key: COUCHDB-528
> URL: https://issues.apache.org/jira/browse/COUCHDB-528
> Project: CouchDB
> Issue Type: Bug
> Components: Database Core
> Affects Versions: 0.9.1
> Environment: linux
> Reporter: Meno Abels
>
> If you try eg.
> curl -v -d '{"keys":["srp_WPG","srp_WLUX"]}' http://localhost:5984/booking_reverseidxes/_design/Booking::ReverseIdx-0aab4fe0eb7bdb4ac59f67c4e9453b52/_view/all
> you will except in the best case a answer of two rows. If the two key rows exists. If I use _all_docs it works like excepted. If I use a view the answer is a empty rows array.
> I had a in depth look to the source in ./src/couchdb/couch_httpd_view.erl
> but I am just to new with erlang, to find the problem and fix it.
> It is still possible that I make a usage error, than feel free to blame me.
> I expect the problem in
> output_map_view(Req, View, Group, Db, QueryArgs, Keys) ->
> ....
> FoldlFun = make_view_fold_fun(Req,
> QueryArgs#view_query_args{
> start_key = Key,
> end_key = Key
> }, CurrentEtag, Db, RowCount,
> #view_fold_helper_funs{
> reduce_count = fun couch_view:reduce_to_count/1
> })
> which is the only differend code part between keyed and none keyed access.
> My map method in the view looks like this which should be harmless and not depend to the problem.
> {
> "all": {
> "map": "function(doc) {
> if (doc['couchrest-type'] == 'Booking::ReverseIdx') { emit(null,null); }
> }"
> }
> }
> thx in advance
> meno
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