Update Data

Initialize the SDK

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

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

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

Update Single Record

Update the specified record via document ID.

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

• collectionName: collection name
• docId: document ID
• data: The data object to be updated

Parameter Description

Parameter	Type	Required	Description
docId	string	Required	Document ID to update
data	object	Required	Data object to update

Code Example

// Update the specified document
const result = await db.collection('todos')
    .doc('todo-id')
    .update({
        title: 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(condition).update(data)

• collectionName: collection name
• condition: query condition
• data: The data object to be updated

Parameter Description

Parameter	Type	Required	Description
where	object	Required	Query condition that specifies the records to update
data	object	Required	Data object to update

Code Example

// 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, or create it if it does not exist:

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