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From: Paul Davis <paul.joseph.davis@gmail.com>
Date: Mon, 15 Jul 2013 20:58:40 -0500
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 <CAJ_m3YBx4dtaMAFQtz0zKTub0i=UECuA5ghWUmZL-Av1=ghBQA@mail.gmail.com>
Subject: Re: startkey
To: "user@couchdb.apache.org" <user@couchdb.apache.org>
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Exactly like that yeah.


On Mon, Jul 15, 2013 at 8:55 PM, Stephan Bardubitzki <
stephan@bardubitzki.com> wrote:

> Thanks for your response Paul. I think I'm missing something important.
> How do I tell the view that I just need fr - language and not en, de, es ...
>
> startkey: ["fr", id, 0] ?
>
>
>
> On 13-07-15 03:26 PM, Paul Davis wrote:
>
>> You'll need to add an element to the key to emit the language. Pseudo
>> code:
>>
>> for language in doc["languages"]:
>>       emit([language, doc.kml_id, doc.marker], 1)
>>
>> Also note that its generally not a good idea to emit the doc as the value.
>> You should prefer to use include_docs=true in the query string. Emitting 1
>> allows you to specify "_sum" as a reduce function to get row counts for
>> specific start/end key pairs.
>>
>>
>> On Mon, Jul 15, 2013 at 5:07 PM, Stephan Bardubitzki <
>> stephan@bardubitzki.com> wrote:
>>
>>  Hi there,
>>>
>>> this map function
>>>
>>> "map": "function(doc) { if (doc.kml_id && doc.marker) { emit([doc.kml_id,
>>> doc.marker], doc) } }"
>>>
>>> and this startkey
>>>
>>> startkey: [id, 0]    --> sorting doc.marker
>>>
>>> let me retrieve data from a couch as needed.
>>>
>>> Now I got the task to add more languages beside English for description
>>> properties in an array structure like this
>>>
>>> "language": [
>>>      {
>>>          "en":{
>>>
>>>                  }
>>>      },
>>>      {
>>>           "fr": {
>>>
>>>                   }
>>>      }
>>> ]
>>>
>>> I stuck in figuring out a startkey that let me retrieve the sorted data
>>> only for a particular language.
>>>
>>> Any advice would be really appreciated.
>>>
>>> Thanks,
>>> Stephan
>>>
>>>
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