DynamodbAttributeValueTransformer v1 and v2 return empty list instead of null for empty list attribute #309
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…stead of null for empty list attribute.
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Issue #, if available: #224
Description of changes:
This change will make DynamodbAttributeValueTransformer v1 and v2 return empty list instead of null for empty list input.
Transforming empty list to
nullwill break functionality for DynamoDB Enhanced library and make it throw runtime exceptions like:Also updated corresponding unit test cases.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.