Document.set | Weixin public doc

# Document.set

Replaces and updates a record.

Function signature is shown as below:

function set(options: object): Promise<Result>

Parameter description

Field	Type	Required	Default	Description
data	Object	Yes		Updates objects

Description of return value

The results of resolve and reject for Promise are defined as below:

	Result Description
resolve	The result of a new record. The Result is defined as below.
reject	Reason for failure

Result description

Result from Promise resolve is an object with the following structure:

Field	Type	Description
_id	String \| Number	Record ID
stats	Object	Update the statistics of the results. Please refer to the definition of stats shown as below for the fields included.

The stats object is an object with the following structure:

Field	Type	Description
updated	number	The number of records updated successfully. If the specified _id already exists, it is 1; otherwise, it is 0
created	number	The number of records updated successfully. If the specified _id already exists, it is 0; otherwise, it is 1

Sample code

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-identifiant-aleatoire').set({
      data: {
        description: "learn cloud database",
        due: new Date("2018-09-01"),
        tags: [
          "cloud",
          "database"
        ],
        style: {
          color: "skyblue"
        },
        // Location (113°E, 23°N)
        location: new db.Geo.Point(113, 23),
        done: false
      }
    })
  } catch(e) {
    console.error(e)
  }
}