couchbase

#primary index - all documents by id
function map (doc,meta){
	emit(meta.id,null)
}
#secondary index by name
function map (doc,meta){
	if(typeof doc.name !== undefined){
	//emiting null means you later access the id of the row
	emit(doc.name,null);
}
}
#compound key -- create a view on persons by indexing by the birthday
function map(doc,meta){
	if(doc.birthday){
	emit(dateToArray(doc.birthday),{"firstname":doc.firstname,"lastname":doc.lastname});
}
}
//access
.../_view/byname?reduce=false&key="David"
.../_view/byname?reduce=false&startkey="P"&endKEY="S"
.../_view/byname?reduce=true&startkey="P"&endKEY="S"
.../_view/bybirthday?reduce=true&group_level=1