https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.Table.html 如果您想解析表名,您必须将其作为环境变量而不是其中的字符串传递到lambda函数中: const fastApiLambda = new lambda.Function(this, "fastApiLambda", { runtime: lambda.Runtime.PYTHON_3_9, code: lambda.Code.fromAs...
KeyConditionExpression: "Lname = :a", ProjectionExpression: "#FN, #LN, #DB" }; 运行查询 ddb.query(params).promise().then( function(data) { console.log("Customer:" + data.Item) return data.Item; }, function() { console.log("No records found...") } ); 我有一张Lname=Connors的...
Also, we need to add a Trigger to the Lambda function: At this point, we have a complete set of resources: a DynamoDB table for our source data, a DynamoDB stream of changes to the table, a function that runs after our source data changes and indexes those changes, and an Amazon ES...
Your user managed function is invoked both for aggregation and for processing the final results of that aggregation. Lambda aggregates all records received in the window. You can receive these records in multiple batches, each as a separate invocation. Each invocation receives a state. Thus, when...
If you want certain actions to be performed based on events in a DynamoDB stream, you can write an AWS Lambda function that is triggered by these events. A Lambda function such as this needs permissions to read data from a DynamoDB stream. For more information about u...
Step 1. Create function To create an AWS Lambda function, use theCreate functionbutton on the Lambda console. The console method suits early stages of development rather than applications in production. To create an AWS Lambda function, select the 'Create function' button. ...
(如果我使用其他类，则为put )永远不会执行。代码在执行这些函数之前返回。
Easily build auto-scaling, low-overhead applications on AWS Lambda, API Gateway, DynamoDB, and other managed services with the Serverless Framework.
Next, review the IAM permissions attached to your AWS Lambda function and make sure you allow the actions detailed in the documentation of the utility. You can retrieve a single parameter from DynamoDB using the DynamoDBProvider.get() method: import { DynamoDBProvider } from '@aws-lambda-powe...
query andpart 2focuses on creating theAWS Lambdafunction to query the data and creating the skill. In Part 1 of the series, you will create an AWS Lambda function that writes to Amazon DynamoDB. The function will run daily to create a DynamoDB table,...