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alcaeus/gist:4509c4479866d51103f03f5d755f5d4f

Created May 22, 2017 13:01
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MongoDB findAndModify
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gistfile1.txt
> 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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