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mongodb - 删除嵌套在 MongoDB 数组中的子文档

我想删除这个:{"val":NumberLong(200),"chId":2,"reqSys":"222220005031","old":NumberLong(223),"isRb":false},从此:{"_id":ObjectId("52d7c25480f0a83293adbbbc"),"d":2014001,"m":123456789,"topups":{"data":[{"val":NumberLong(200),"chId":2,"reqSys":"222220005031","old":NumberLong(223),"isRb":false},{"val":NumberL
mongodb34NumberLongsection

mongodb - 删除嵌套在 MongoDB 数组中的子文档

我想删除这个:{"val":NumberLong(200),"chId":2,"reqSys":"222220005031","old":NumberLong(223),"isRb":false},从此:{"_id":ObjectId("52d7c25480f0a83293adbbbc"),"d":2014001,"m":123456789,"topups":{"data":[{"val":NumberLong(200),"chId":2,"reqSys":"222220005031","old":NumberLong(223),"isRb":false},{"val":NumberL
mongodb34NumberLongsection

mongodb - mongoexport 到 json 文件时缺少 NumberLong

mongoexportNumberLongblockquotesectionmongodb
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