lib/command/transaction/watch.js
function execute(req, res) {
  req.conn.watch(req.args, req.db);
  res.send(null, Constants.OK);
}
function execute(req, res) {
  req.conn.watch(req.args, req.db);
  res.send(null, Constants.OK);
}
function execute ( req , res ) { req . conn . watch ( req . args , req . db ) ; res . send ( null , Constants . OK ) ; }
Respond to the WATCH command.
Respond to the WATCH command .