I have this Item structure: I want to scan data by the presence of key five “five” within sharedData map. Something like sharedData.five exists or sharedData.five == *. Is this possible? Answer Here is the CLI answer. You will need to turn it into Java, which is simple enough.
Tag: amazon-dynamodb
SpringBoot – Java AWS SDK 2 DynamoDB Enhanced Client and devtools problem
I am using Spring Boot 2.17 and java sdk and dynamodb-enhanced ‘2.13.8’. I am calling with the enhanced client an item like this: it leads when called to this error: Switching the livereload to enabled: false did not help but completly removing the devtools worked. But this a not statisfying solut…
AWS Local DynamoDB The security token included in the request is invalid
I am new to AWS and I am trying to perform CRUD operation on Local DynamoDB from a Java program. The Java program is an AWS sample. I have AWS CLI installed and have set the following configuration – As per AWS documentation, I don’t need a real AWS access and secret key for Local DynamoDB. I have…
How to connect to DynamoDB on AWS using a Spring Boot application running on local system?
I’m working on Spring Boot microservice REST based application and backedn database is currently local Dynamodb database. I can make REST calls using Postman to my application running locally and can perform CRUD operation with the local dynamodb database. Now I want to make changes in the configuration…
Case insensitive query in DynamoDB
I want to scan/query the dynamo DB table. Dynamo DB is case sensitive. I want to use Hash/ Range keys sometimes as strings. Is there any way we can enable case insensitivity in dynamo DB level ? Or is there any other solutions exist? I am querying the Dynamo with the JAVA SDK Answer There are 2 possible ways …
DynamoDB JsonMarshaller cannot Deserialize List of Object
I have a Java class which is the data-model of a table in DynamoDB. I want to use the DynamoDBMapper to save and load items from Dynamo. One member of the class is a List<MyObject>. So I used the JsonMarshaller<List<MyObject>> to serialize and de-serialize this field. The list can be success…