db.command.remove
更新指令。用于表示删除某个字段。
函数签名:
function remove(): Command
示例代码
删除 style 字段:
const cloud = require('wx-server-sdk')
cloud.init()
const db = cloud.database()
const _ = db.command
exports.main = async (event, context) => {
try {
return await db.collection('todos').doc('todo-id').update({
data: {
style: _.remove()
}
})
} catch (e) {
console.error(e)
}
}