I’m querying for a document with {"foo": "a"}, not {"foo":["a", "b"]}.
How do I make the exact query in mongodb?
I’m querying for a document with {foo: a} , not {foo:[a, b]} . How
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I’m querying for a document with {"foo": "a"}, not {"foo":["a", "b"]}.
How do I make the exact query in mongodb?
This is surprisingly difficult due to issue SERVER-1475 which causes the
$typeof thefoofield in both cases to be reported as a string.One workaround is to test for the existence of an array element to detect the array case (and exclude it from the results):