But we can do one better. We are not limited to the existing fields in the document in our projections, we can actually declare new fields. Let’s say we are building our compact movie list and we wanted just the title, year, and director name. We can get minimal cruft by extracting just the name and putting it in a new field, like this:

But we can do one better. We are not limited to the existing fields in the document in our projections, we can actually declare new fields. Let’s say we are building our compact movie list and we wanted just the title, year, and director name. We can get minimal cruft by extracting just the name and putting it in a new field, like this:

But we can do one better. We are not limited to the existing fields in the document in our projections, we can actually declare new fields. Let’s say we are building our compact movie list and we wanted just the title, year, and director name. We can get minimal cruft by extracting just the name and putting it in a new field, like this: