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kenni0124
V2EX  ›  MongoDB

mongoose 新建/更新文档问题

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  •   kenni0124 · Jul 12, 2019 · 8612 views
    This topic created in 2680 days ago, the information mentioned may be changed or developed.
    小白一个~

    问题:
    新建一个文档时,怎么判断数据库中是否已经存在,如果存在更新数据不存在新建数据.
    2 replies  •  2019-07-13 12:45:30 +08:00
    xichengh
    xichengh
    Jul 12, 2019
    1
    { upsert: true }加这个
    catinsides
    catinsides
    Jul 13, 2019
    2
    findAndModify
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