Rename column name in MongoDB (change field name)

Rename column name in MongoDB (change field name)Category: Database 2012-06-11 11:071648 people read comments (0) favorite reports Mongodbshell2010c

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See also: Http://www.mongodb.org/display/DOCS/Updating#Updating-%24rename

Cases:

Shell Code

1. Db.test.find ()

Find the following data:

Shell Code

1. {"_id": ObjectId ("4e787a369748ed04b7c19b0f"), "abc": "123"}

Now, you need to change the field "ABC" to "Def" and execute the following command:

Shell Code

1. Db.test.update ({}, {$rename: {"abc": "Def"}}, False, True)

Can.

PS: If the amount of data is large, the column name of all data will not be renamed immediately, the execution time is required.

Rename column name in MongoDB (change field name)