Details
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Bug
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Resolution: Done
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Major - P3
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None
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3.4.7
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None
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None
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ALL
Description
MongoDB does not allowed to store a key prefixed with dollar symbol.
Eg.
{'$push' : {'$in' : [200, 201]}}
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Error message is:
MongoError: The dollar ($) prefixed field '$in' is not valid for storage.
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In my case, this was happened when trying to update a document which is already exist.