Push to two separate arrays in one update call in mongodb

Question

I am trying to update to update two separate arrays in a document with one update call. Is there a way to do this?

For example if I have a document like:

<         


        

Answer 1

You can specify multiple fields to the $push operator

db.collection.update(
   { _id :1 }, 
   { $push : { array1 : "1",   array2 : "5" }}
)