草庐IT

mongodb - 蒙哥错误: E11000 duplicate key error collection for unique compound index

Questionisrelatedtouniquecompoundindexunlikeothersuchquestionswhichhaveuniqueindexonly.Ialsohavesparse:truefortheindexes.我的收藏中有以下索引[{"v":2,"key":{"_id":1},"name":"_id_","ns":"somedb.votes"},{"v":2,"key":{"answerId":1},"name":"answerId_1","ns":"somedb.votes","sparse":true,"background":true},{"v":