Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"_id":1,"i":0}]
Query
db.collection.update({_id:1},[{$set:{"i":{$min:[{$add:["$i",1]},2]},"a":"foo","b":"bar","c":"baz"}}],{multi:true})
Result