Collection.count

Collection.count

獲取集合內(nèi)符合查詢條件的文檔數(shù)量

返回值 Promise

resolve 結(jié)果：

reject 結(jié)果：

代碼示例

const cloud = require('swan-server-sdk')

exports.main = async (event, context) => {
  cloud.init(context)
  const db = cloud.database()

  return await db.collection('articles').where({
      title: 'baidu cbd tutorial',
  }).count()
}