everyone. I'm here to ask a help with Amazon DynamoDB configuration in Node.js + Typescript backend. I'm trying to create a record to the dynamoDB database. I'm using Node.js + Express for the backend and faced this error when I…
I'm reasonably new to typescript and I have been attempting to create a DAO for DynamoDB to insert objects into a table. However, when using the spread operator it appears to cause the object to be split into individual characters…
I'm calling my Lambda from an API Gateway and as Input give it a userID and a MMMY, which is just Month and year. Besides that I input data in the form of a List of Objects that look like…
To test locally, I am using SAM for my lambda function. And using DynamoDB local. It seems my lambda cannot connect to DynamoDB local When I run java -Djava.library.path=./DynamoDBLocal_lib -jar DynamoDBLocal.jar -sharedDb command, I get output Initializing DynamoDB Local with…
I have the app setup like below and I want to get the Lambda's response through API to show the item list in web. User <-> API Gateway <-> Lambda <-> DynamoDB Below is the example of code I'm using.…
As the title said, I want to put a variable into one of its Item only if the variable is not undefine. I've tried this code. const createNewAccount = new PutCommand({ TableName: tableName, Item : { "PK" : email, "SK"…
I'm creating a serverless application in AWS that needs to store some data gathered trough an external API into a DynamoDB instance. I'm trying to achieve it through Lambda functions, but the data are quite heavy, so everytime I try…
As the title said, I can't query for all sort key in primary key in DynamoDB. It just got difference error whatever I tried some difference approach. Also, my sort keys don't start with the same string, so BEGIN_WITH is…
Bear with me as I am learning Lambda. I have a simple collection in DynamoDB with this model { id: String, question: String, answer: String, learned: Boolean } And my Lambda function like this (With the help of an AWS…
I need someone expert advice here. For my chat application, I'm using MYSQL. As I have structured messages so I chose mysql. Now My concern is about the scalibility and throughput. I spent time analizing DynamoDB in terms of scalibility…