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Lazhari/rename-operator.md

Created July 23, 2015 08:58
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MongoDB queries : rename operator via $rename
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rename-operator.md

db.users.update({}, {$rename: {'username': 'email', 'password': 'hashedPassword'}, false, true});

example :

Before : [{username: "[email protected]", password: "pwd"}]

after : [{email: "[email protected]", hashedPassword: "pwd"}]

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