Created
May 22, 2017 13:01
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MongoDB findAndModify
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| > db.foo.count() | |
| > db.foo.findAndModify({query: { foo: 'bar' }, update: {foo: 'bar'}, upsert: true}) | |
| null | |
| > db.foo.findAndModify({query: { foo: 'bar' }, update: {foo: 'baz'}, upsert: true}) | |
| { "_id" : ObjectId("5922e0b18c00e100490e9108"), "foo" : "bar" } | |
| > db.foo.findAndModify({query: { foo: 'bar' }, update: {foo: 'foobar'}, upsert: true, new: true}) | |
| { "_id" : ObjectId("5922e0b18c00e100490e9108"), "foo" : "foobar" } |
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