Created
December 27, 2019 11:44
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Mongo unset example
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| > db.books.findOne() | |
| { | |
| "_id" : "1234567890", | |
| "title" : "Lord Of The Rings", | |
| "books" : { | |
| "1234567890" : { | |
| "_id" : "123456789890", | |
| "title" : "The Two Towers", | |
| "page_count" : { | |
| "en" : 6000, | |
| "de" : 7000 | |
| } | |
| }, | |
| "2234567890" : { | |
| "_id" : "223456789890", | |
| "title" : "The Return Of The King", | |
| "page_count" : { | |
| "en" : 6000, | |
| "de" : 7000 | |
| } | |
| } | |
| } | |
| } | |
| > db.books.update({'_id': "1234567890"}, {$unset: {'books.2234567890.page_count': ""}}) | |
| > db.books.findOne() | |
| { | |
| "_id" : "1234567890", | |
| "books" : { | |
| "1234567890" : { | |
| "_id" : "123456789890", | |
| "title" : "The Two Towers", | |
| "page_count" : { | |
| "en" : 6000, | |
| "de" : 7000 | |
| } | |
| }, | |
| "2234567890" : { | |
| "_id" : "223456789890", | |
| "title" : "The Return Of The King" | |
| } | |
| }, | |
| "title" : "Lord Of The Rings" | |
| } |
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