Duplicate key error message does not contain index name anymore

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      In mongo shell:

      db.test.insert({_id: "test"})
db.test.insert({_id: "test"})

      Result with WiredTiger:

      WriteResult({
	"nInserted" : 0,
	"writeError" : {
		"code" : 11000,
		"errmsg" : "E11000 duplicate key error dup key: { : \"test\" }"
	}
})

      Result with MMAPv1:

      WriteResult({
	"nInserted" : 0,
	"writeError" : {
		"code" : 11000,
		"errmsg" : "E11000 duplicate key error index: rfy.test.$_id_ dup key: { : \"test\" }"
	}
})
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      In mongo shell: db.test.insert({_id: "test" }) db.test.insert({_id: "test" }) Result with WiredTiger: WriteResult({ "nInserted" : 0, "writeError" : { "code" : 11000, "errmsg" : "E11000 duplicate key error dup key: { : \"test\" }" } }) Result with MMAPv1: WriteResult({ "nInserted" : 0, "writeError" : { "code" : 11000, "errmsg" : "E11000 duplicate key error index: rfy.test.$_id_ dup key: { : \"test\" }" } })
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      With WiredTiger, the error returned by a duplicate key does not contain the name of the violated unique index. It is therefore not possible to identify which field in the inserted document causes the violation.

              Assignee:
              Eliot Horowitz (Inactive)
              Reporter:
              Rainer Frey
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                Created:
                Updated:
                Resolved: