Thanks Gabor!
Alexander Gabriel Am 16.05.2011 09:37 schrieb "Gabor Ratky" <[email protected]>: > Alex, > > as with everyone new to CouchDB (and/or NoSQL) I recommend going through the CouchDB: Definitive Guide [1]. It is an indispensable resource and gives you a great overview of CouchDB. It makes it much easier to understand the concepts and the design behind CouchDB. Afterwards, you can just refer to the CouchDB Wiki [2] or the HTTP API Reference in the new Techzone by Couchbase [3]. > > Have fun with Couch! > > Gabor > > [1] http://guide.couchdb.org/ > [2] http://wiki.apache.org/couchdb/ > [3] http://techzone.couchbase.com/sites/default/files/uploads/all/documentation/couchbase-api.html > On Monday, May 16, 2011 at 12:29 AM, Alexander Gabriel wrote: > That is very helpful and answers my questions. >> Thanks for taking so much time. Your effort is very much appreciated! >> >> Alexander Gabriel >> >> >> >> >> 2011/5/16 Jim Klo <[email protected]> >> >> > >> > To understand views: >> > http://wiki.apache.org/couchdb/Introduction_to_CouchDB_views >> > >> > A map function might look like: >> > >> > function (doc) { >> > >> > if (doc.Typ) { >> > emit(doc.Typ, null); >> > } >> > >> > } >> > >> > >> > then to query the view: >> > >> > curl -X GET " >> > http://localhost:5981/dbname/_design/docname/_view/viewname?key=%22Beobachtung%22&include_docs=true >> > >> > See http://wiki.apache.org/couchdb/HTTP_view_API for details on querying >> > views and other options. >> > >> > >> > >> > * >> > Jim Klo >> > Senior Software Engineer >> > Center for Software Engineering >> > SRI International >> > * >> > >> > >> > >> > >> > On May 15, 2011, at 2:18 PM, Alexander Gabriel wrote: >> > >> > thanks a lot for your help. So I can define a view that includes the Typ >> > field and filter for it. >> > But how do I fetch the data from the view using curl? >> > >> > Using a list seems like more work. >> > >> > Alexander Gabriel >> > >> > >> > >> > >> > 2011/5/15 Jim Klo <[email protected]> >> > >> > You need to define a view, using the name as at least part of the key or >> > >> > create a list. Then you can filter using the key in a view or some >> > parameter >> > >> > you pass using a list. >> > >> > >> > I suggest taking a look a Max Ogden's talk on CouchDB. It's a great >> > >> > jumpstart for a newbie. >> > >> > >> > http://vimeo.com/18808177 >> > >> > >> > - Jim >> > >> > >> > >> > On May 15, 2011, at 1:34 PM, Alexander Gabriel <[email protected]> wrote: >> > >> > >> > Hi >> > >> > I want to fetch documents from a CouchDb named evab. The documents >> > >> > include a >> > >> > field "Typ" and I want to fetch those with Typ = Beobachtung. >> > >> > >> > So far I've tried: >> > >> > >> > - curl -d "{\"Typ\":\"Beobachtung\"}" -X POST >> > >> > >> > >> > http://username:[email protected]:5984/evab/_bulk_docs?include_docs=true >> > >> > >> > Beobachtungen.json >> > >> > - curl -d "{\"docs\": [{\"Typ\":\"Beobachtung\"}]}" -X POST >> > >> > >> > >> > http://username:[email protected]:5984/evab/_all_docs?include_docs=true >> > >> > >> > Beobachtungen.json >> > >> > - replacing {\"Typ\":\"Beobachtung\"} or {\"docs\": >> > >> > [{\"Typ\":\"Beobachtung\"}]} with "@TypBeob_Kriterien.json" to >> > >> > circumvent >> > >> > problems with the windows-command-tool and " or '. >> > >> > >> > I consistently get all the data of all the docs in the CouchDb. >> > >> > >> > From the documentation I have not understood: >> > >> > >> > - _all_docs or _bulk_docs? It seems that both work the same. >> > >> > - Is ist maybe only possible to filter with keys = _id's? >> > >> > - Is it possible to fetch the data from a view? >> > >> > >> > >> > Or simply: What is the best way to do it? >> > >> > >> > Thanks for help! >> > >> > >> > Alexander Gabriel >>
