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Lets assume that i have a collection that contains

_id
first_name
last_name
...

how can I select all fields including custom like the following:

db.collection_name.findOne({},{*,$full_name:{$value:first_name+' '+last_name}});

This is just an example.

how can we select all fields with some custom fields like full_name

where

full_name=first_name+' '+last_name
Hilmi
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0 Answers0