javascript - Mongoose 3.6+ population of populated fields -


according 3.6 release notes should able populate categories in order.items.product docs no go. here's schemas:

var order = new schema({   items: [{     product: {       type: schema.types.objectid,       ref: "product",     }       ...   }] });   var product = new schema({   categories: [{     type: schema.types.objectid,     ref: "category",   }] });

my query (one of many - 've tried few combos - seems suggested)

order.findbyid(id).populate('items.product').exec(function(err, doc) {   var opts = {     path: 'items.product.categories'   };    console.log(doc.items[0].product.categories) // [ 524f035de9d6178e460001a2, 524f0965e9d6178e460001b6 ] - these docs in database under category collection    order.populate(doc, opts, function(err, doc) {     // returns order category array blank each product     console.log(doc.items[0].product.categories // []     }); });

it looks accidentally typed order again in sub-population call.

the second populate call should like:

category.populate(doc, opts, function(err, doc) {...

instead of

order.populate(doc, opts, function(err, doc) {...

you're telling mongoose populate each product's categories array element order instead of category.


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