Indexing on nested field

Question

I\'m trying to create an index on a nested field, using the Dashboard in AWS Developer Console. E.g. if I have the following schema:

{ \'id\': 1,
  \'nested\         


        

Answer 1

You cannot (currently) create a secondary index off of a nested attribute. From the Improving Data Access with Secondary Indexes in DynamoDB documentation (emphasis mine):

For each secondary index, you must specify the following:

...

• The key schema for the index. Every attribute in the index key schema must be a top-level attribute of type String, Number, or Binary. Nested attributes and multi-valued sets are not allowed. Other requirements for the key schema depend on the type of index:

You can, however, create an index on any top level JSON element.