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  1. Core Server
  2. SERVER-47647

Duplicate key error message has incorrect namespace after rename

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.9.0
    • Affects Version/s: None
    • Component/s: Catalog, Storage
    • Fully Compatible
    • ALL
    • Hide 
      > db.x.insert({_id:1})
WriteResult({ "nInserted" : 1 })
> db.x.renameCollection("y")
{ "ok" : 1 }
> db.y.insert({_id:1})
WriteResult({
	"nInserted" : 0,
	"writeError" : {
		"code" : 11000,
		"errmsg" : "E11000 duplicate key error collection: test.x index: _id_ dup key: { _id: 1.0 }"
	}
})
      Show
      > db.x.insert({_id:1}) WriteResult({ "nInserted" : 1 }) > db.x.renameCollection("y") { "ok" : 1 } > db.y.insert({_id:1}) WriteResult({ "nInserted" : 0, "writeError" : { "code" : 11000, "errmsg" : "E11000 duplicate key error collection: test.x index: _id_ dup key: { _id: 1.0 }" } })
    • Execution Team 2020-09-07, Execution Team 2020-09-21, Execution Team 2020-10-05, Execution Team 2020-10-19, Execution Team 2020-11-02

      The WiredTigerIndex class stores a copy of the collection name in a _collectionNamespace constant, but this becomes invalid on rename. Indeed the index should not refer back to its parent collection as that can change.

            Assignee:
            geert.bosch@mongodb.com Geert Bosch
            Reporter:
            geert.bosch@mongodb.com Geert Bosch
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              Created:
              Updated:
              Resolved: