Pedido.aggregate([
{
$match: {} // add your search here
},
{
$lookup: { // this is the alternative to the populate
from: 'clientes',
localField: 'cliente',
foreignField: '_id',
as: 'clientes'
}
},
{
$project: { // add all the fields you need from the collection, if you need to omit something from the query results, just don't mention it here
id: 1,
clientes: 1,
date: { $dateToString: { format: "%d/%m/%Y", date: "$date" } } // this will return the date in the format "dd/MM/yyyy"
}
}
])