Thingsup Docs
  • Documentation
  • MQTT
    • MQTT Broker
    • Add MQTT Device
    • Authorize MQTT Device
    • Test MQTT Connection
    • Tutorial - MQTT Basics
  • Connections
    • MySQL Connection
    • Redis Connection
    • InfluxDB Connection
    • AWS Connection
    • PostgreSQL Connection
    • MQTT Connection
    • InfluxDBv2 Connection
    • Firebase Connection
    • MSG91 Connection
  • Actions
    • MySQL Query Action
    • Redis Query Action
    • InfluxDB Read Query Action
    • InfluxDB Write Point Action
    • Send Email Action
    • DynamoDB PutItem Action
    • DynamoDB UpdateItem Action
    • DynamoDB GetItem Action
    • DynamoDB Query Action
    • DynamoDB Scan Action
    • DynamoDB DeleteItem Action
    • PostgreSQL Query Action
    • InfluxDBv2 Read Query Action
    • InfluxDBv2 Write Point Action
    • Firebase Cloud Firestore Action
    • Firebase RealTime Database Action
    • Firebase Messaging Action
    • AWS Lambda Invoke Action
    • AWS SQS Send Messsage Action
    • Publish MQTT Message Action
    • MQTT CommandResponse Action
    • ProcessFunction Action
    • WebHook Action
    • Push to Thingsup Track Action
    • Send MSG91 SMS Action
  • Rules
    • MQTT Rules Engine
    • HTTP API
  • Command
    • HTTP Command
    • Action Command
  • Alerts
    • Basic Alert
  • Dashboards
    • Add Dashboard
    • Dashboard Settings
  • Widgets
    • Button Widget
    • Data Text Widget
    • Toggle Switch Widget
    • Image Switch Widget
    • Dropdown Widget
    • LED Widget
    • Text Widget
    • Navigation Button Widget
    • Form Widget
    • Date Picker Widget
    • Date Time Range Widget
    • Slider Widget
    • Table Widget
    • Google Map Widget
    • Data Tile Widget
    • HTML Tile Widget
    • Line Chart Widget
    • Bar Chart Widget
    • Pie Chart Widget
    • Scatter Chart Widget
    • Radar Chart Widget
    • Radial Gauge
    • Linear Gauge
Powered by GitBook
On this page

Was this helpful?

  1. Actions

DynamoDB Query Action

Execute DynamoDB query completely serverless via Thingsup IoT Platform. Create custom query from MQTT Rules Engine or HTTP APIs.

PreviousDynamoDB GetItem ActionNextDynamoDB Scan Action

Last updated 3 years ago

Was this helpful?

It provides a way to perform a query on DynamoDB. Before adding DynamoDB Query Action, user has to define a . User need to provide following parameters to add DynamoDB Query Action.

TableName

User's DynamoDB Tablename

Function

  • JavaScript code to Query "DynamoDB".

  • "payload" object and "params" object is available in this code. params object should hold key-value data pairs as mentioned in . "payload" object is supplied from Action Trigger like Rules, Action Command etc.

  • Any params passed through Function will override parameters passed through form.

Connection ID

Connection ID of AWS Connection.

Limit

User can set limit here.

KeyConditionExpression

User can provide a KeyConditionExpression here. Check for more information.

ExpressionAttributeValues

User can provide a ExpressionAttributeValues here. Check for more information.

ExpressionAttributeNames

FilterExpression

ProjectionExpression

//Example 1
//Let "id" and "name" are the column names inside DynamoDB table.
//It contains a entry having id=2 and name="abc"
//Following are the fields you need mention in form to get the entries from table id having value 2.

#a = :id_val     //KeyConditionExpression
{"#a":"id" }     //ExpressionAttributeNames
{":id_val":2}    //ExpressionAttributeValues

Please note the following points:

  • "payload" object is supplied from Action Trigger like Rules, Action Command etc.

  • Data Response of Query will be available as Action Response.

User can provide a ExpressionAttributeNames here. Check for more information.

User can provide a FilterExpression here. Check for more information.

User can provide a ProjectionExpression here. Check for more information.

AWS Connection
AWS Doc
AWS Doc
AWS Doc
AWS Doc
AWS Doc
AWS Doc
Add DynamoDB Query Action