Details
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Type:
Question
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Status: Closed
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Priority:
Minor - P4
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Resolution: Duplicate
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Affects Version/s: 4.0.9
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Fix Version/s: None
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Component/s: None
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Labels:None
Description
The automatically generated index on _id is a uniqe index as far as I have read and tried.
But if you do db.collection.getIndexes() in the mongo shell, the index does not show "unique" : true, like other unique indexes do.
This seems a bit confusing to me.
Shouldn't the _id index be shown as unique, as it actually is a unique index?
Attachments
Issue Links
- duplicates
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SERVER-5335 Creation of _id index should automatically add unique:true to index spec
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- Open
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