{"id":"dynamodb-index-key-must-be-scalar","text":"DynamoDB secondary index key attributes must be top-level scalar types (String, Number, or Binary) — document types and sets are not allowed as index keys.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-SecondaryIndexeshtml.md","source_url":"","source_hash":"523e6bf1bd55e95c","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-index-key-must-be-scalar","truth_value":"IN","reason":"premise"}]}}