Error: DynamoDB Scan Not Working
Answered by Rafal Wilinski
What's Causing This Error
The Scan operation covers your entire database table and returns the relevant data. But there can be instances where DynamoDB Scan does not return all the data you expect. In addition, the result set you receive would be empty if no matching items were found.
However, if the Scan operation does not return all the data, it is probably because a single DynamoDB scan request can only retrieve up to 1 MB of data.
Solution: Here's How To Resolve It
When using DynamoDB Scan operation, remember that it retrieves only up to a maximum of 1 MB of data per scan. So, this depends on the individual size of each item you are trying to return. If this is the issue, you can use the LastEvaluatedKey (not null if the result set is over 1 MB) in your API call as a part of the request in your following calls. Then it will return the next set of your results with pagination.
Other Common DynamoDB Errors (with Solutions)
- DynamoDB delete fails
- dynamodb-admin command not found
- DynamoDB Internal Server Error
- DynamoDB Invalid UpdateExpression Syntax Error Token
- appsync dynamodb not seeing all fields
- accessdeniedexception dynamodb
- is not authorized to perform dynamodb:* on resource
- AWS DynamoDB errors ResourceNotFoundException
- dynamodb atomic counter not working
- dynamodb list_append returns true but does not work
- dynamodb connection timeout
- 'dynamodb' object has no attribute 'table'
- dynamodb the table does not have the specified index
- dynamodb is abstract cannot be instantiated
- ExpressionAttributeValues contains invalid value: One or more parameter values were invalid: An AttributeValue may not contain an empty string