javascript 使用脚本修改MongoDB集合

Posted 2021-05-04

db.users.aggregate([
  // include the email and list field of each document in users
  {
    $project: {
      _id: 0,
      owner: {
        name: '$name',
        email: '$email',
      },
      list: 1,
    },
  },
  { $out: 'lists' },
], { bypassDocumentValidation: false });

db.users.updateMany({}, { $unset: { list: '' } });