javascript - How to update document on pre or post query hook in mongoose? -

i trying update field on query hook. example:

var myschema = new schema({   name: string,   querycount: {type: number, default:0} }); 

i want increment , update querycount field on each find or findone query.

myschema.post('find', function (doc) {   // here magic }); 

i have tried few things no success far. can achieve in model or have in controller?

what want post init hook

myschema.post('init', function (doc) {   doc.querycount++;   doc.save(); });