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Operating System:
ALL
Steps To Reproduce:
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shape:PRIMARY> db.foo.update({_id: {year: 2012, url: {$exists: false}}}, {$inc: {bar: 1}}, {upsert: true}) shape:PRIMARY> db.foo.find() { "_id" : { "year" : 2012, "url" : { "$exists" : false } }, "bar" : 1 }
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shape:PRIMARY> db.foo.update({_id: {year: 2012, url: {$exists: false }}}, {$inc: {bar: 1}}, {upsert: true }) shape:PRIMARY> db.foo.find() { "_id" : { "year" : 2012, "url" : { "$exists" : false } }, "bar" : 1 }
Confidence Status:
None
Work Order:
3

During an upsert inserting a document, {$exists: false} can be inserted in the collection.

is related to

SERVER-6399 Refactor update() code

related to

SERVER-14244 Additional tests for setting fields with $ names