Update the data

Initialize SDK

import cloudbase from "@cloudbase/js-sdk";

const app = cloudbase.init({
env: "your-env-id", // Replace this value with your environment ID
});

const db = app.database();
const _ = db.command; // Get the query command

Single-entry update

Update the specified record by document ID.

db.collection(collectionName).doc(docId).update(data)

• collectionName: Collection Name
• docId: Document ID
• data: Data object to be updated

Parameter Description

Parameter	Type	Required	Description
docId	string	Yes	Document ID to be updated
data	object	Yes	Data object to be updated

Sample Code

// Update the specified document
const result = await db.collection('todos')
    .doc('todo-id')
    .update({
title: 'Learn CloudBase Database'
        completed: true,
        updatedAt: new Date(),
        completedBy: 'user123'
    })

Batch Update

Batch update multiple records based on query conditions.

db.collection(collectionName).where(conditions).update(data)

• collectionName: Collection Name
• conditions: Query condition object
• data: Data object to be updated

Parameter Description

Parameter	Type	Required	Description
where	object	Yes	Query condition to determine records to be updated
data	object	Yes	Data object to be updated

Sample Code

// Batch update multiple records
const batchResult = await db.collection('todos')
    .where({
        completed: false,
        priority: 'low'
    })
    .update({
        priority: 'normal',
        updatedAt: new Date()
    })

Update or create

Update the document, create if it does not exist.

const setResult = await db.collection('todos')
    .doc("doc-id")
    .set({
        completed: false,
        priority: 'low'
    })