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Type:
Bug
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Resolution: Done
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Priority:
Minor - P4
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Affects Version/s: 2.2.2
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Component/s: JavaScript
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Labels:None
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Fully Compatible
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ALL
This is peculiar:
~/main $ ./mongo
MongoDB shell version: 2.3.1-pre-
connecting to: test
> t = db.b
test.b
> t.insert({x:102})
> x = t.findOne()
{ "_id" : ObjectId("50dc0ce9f5c263c5c9f56781"), "x" : 102 }
> x.pack = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
>
> t.save(x)
>
> t.find()
{ "_id" : ObjectId("50dc0ce9f5c263c5c9f56781"), "x" : 102, "pack" : "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" }
>
> x
{
"_id" : ObjectId("50dc0ce9f5c263c5c9f56781"),
"x" : 102,
"pack" : "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
}
> delete x.pack
true
>
> x
{ "_id" : ObjectId("50dc0ce9f5c263c5c9f56781"), "x" : 102 }
>
> t.save(x)
>
> t.find()
{ "_id" : ObjectId("50dc0ce9f5c263c5c9f56781"), "x" : 102, "pack" : null }
>
as one would expect the field pack to have completely gone away.