couchdb - Querying on map key/value pair in couch db -

i've been reading on documentation couch db views (http://wiki.apache.org/couchdb/http_view_api#http_view_api, http://www.barkingiguana.com/2009/01/22/filtering-and-ordering-couchdb-view-results/) i'm not finding i'm looking , i'm beginning think not supported.

i have 2 records in couch database

{    "_id": "uuid",    "_rev": "rev",    "status": "complete",    "csv": [            {                "lower": 0.09,                "upper": 0.31            }     ],     "tags": {        "get_info": {            "duration": "24",            "location": "south"        }    } } 

and

{    "_id": "2-uuid",    "_rev": "2-rev",    "status": "complete",    "csv": [            {                "lower": 0.01,                "upper": 0.70            }     ],     "tags": {        "different_info": {            "duration": "60",            "location": "south"        }    } } 

is possible create view , add query parameters return records have tag "key":"value" (e.g want records tagged "duration":24 or want records tagged "location":"south"). don't want hard code key/values view - should passed query.

is there way of thinking that's not view?

one way accomplish emit tags in view array using [ key, value ]:

function (doc) {   (var type in doc.tags) {     (var tag in doc.tags[type]) {       emit([ tag, doc.tags[type][tag] ]);     }   } } 

you can query view specific pair: key=["duration","24"]. can ranged searches startkey , endkey.

you can specify list of keys if opt post instead: keys[]=["duration","24"]&keys[]=["location","south"]. however, method lose ability ranged searches. (at least atm)

when querying multiple keys this, you'll getting documents match of keys, may need deduplicate results on client side.

couchdb views more computation , algorithms, , not best arbitrary queries , searching. that, highly recommend adding search layer, such couchdb-lucene or elasticsearch.