KnowledgeHub
Questions
Tags
Users
Search
Alex Rivera
|
Logout
Edit Question
Title
Body
Is there a way to query multiple hash keys using a single query in Amazon's AWS SDK for Java? Here's my issue; I have a DB table for project statuses. The Hash Key is the status of a project (ie: new, assigned, processing, or complete). The range key is a set of project IDs. Currently, I've got a query setup to simply find all the projects listed as a status(hash) of "assigned" and another query set to look for a status of "processing". Is there a way to do this using a single query rather than sending multiple queries for each status I need to find? Code below: DynamoDBMapper mapper = new DynamoDBMapper(new AmazonDynamoDBClient(credentials)); PStatus assignedStatus = new PStatus(); assignedStatus.setStatus("assigned"); PStatus processStatus = new PStatus(); processStatus.setStatus("processing"); DynamoDBQueryExpression<PStatus> queryAssigned = new DynamoDBQueryExpression<PStatus>().withHashKeyValues(assignedStatus); DynamoDBQueryExpression<PStatus> queryProcessing = new DynamoDBQueryExpression<PStatus>().withHashKeyValues(processStatus); List<PStatus> assigned = mapper.query(PStatus.class, queryAssigned); List<PStatus> process = mapper.query(PStatus.class, queryProcessing); So basically, I'd like to know if it's possible to eliminate the queryAssigned and assigned variables and handle both assignedStatus and processStatus via the same query, process , to find projects that are not new or complete.
Tags (comma-separated)
Save Edits
Cancel