Example of couchdb array keys

gistfile1.js

// Design Doc:

{
   "_id": "_design/things",
   "_rev": "3-c05af422e754a6734d1843e309fa1135",
   "language": "javascript",
   "views": {
       "filter": {
           "map": "function(doc) { emit([doc.country, doc.city], doc); }"
       }
   }
}

// Queries:

// All items in country Australia, any city
http://localhost:5984/spark/_design/things/_view/filter?startkey=["Australia"]&endkey=["Australia",{}]
// All items in Sydney, Australia
http://localhost:5984/spark/_design/things/_view/filter?key=["Australia","Sydney"]

// Sample Data

{
   "_id": "ee130765818e5f48dbd9544d5f0001ee",
   "_rev": "1-47464d00c676152bc59aa3eac98359f8",
   "country": "Australia",
   "city": "Sydney"
}

{
   "_id": "ee130765818e5f48dbd9544d5f000e58",
   "_rev": "1-27c813768caeef789773232d2e3aa480",
   "country": "Australia",
   "city": "Brisbane"
}