couchdb/app/deliveries/_design/daily-deliveries/filters/by_driver_and_date-v1.txt
function(doc, req) {
var startDate = new Date(req.query.date);
return ((doc.doc_type && doc.doc_type === 'dailyDelivery' )
&& (req.query.driverId === doc.driverID)
&& (startDate <= new Date(doc.date)));
}