Try
db.documents.aggregate([
{
"$match": {
"userId": 1
}
},
{
"$sort": {
updatedAt: -1
}
},
{
"$skip": 0
},
{
"$limit": 10
}
{
"$lookup": {
"from": "html",
"localField": "docId",
"foreignField": "_id",
"as": "content"
}
},
{
"$lookup": {
"from": "resources",
"localField": "resources",
"foreignField": "_id",
"as": "resources"
}
}
])
with index
{ userId : 1 , updatedAt : -1 }