导入数据时,不小心重复导入了,并且还勾选了"Insert with new _id"
现在数据库中有几千组这样重复的数据,怎么样才能删除呢
只有_id是不一样的,其他都一样
{
"_id" : ObjectId("58c0e5c13c4a1aae0828d7a9"),
"date_time" : "2017-03-09 13:18:28",
"object_code" : "D1_6wgglB",
"status" : 0,
"value" : 25.235034942626953
}
{
"_id" : ObjectId("58f9b18bfa94a03098123da7"),
"date_time" : "2017-03-09 13:18:28",
"object_code" : "D1_6wgglB",
"status" : 0,
"value" : 25.235034942626953
}