The rich data types can be useful for filtering, I guess? When you are running a query against a certain hash key and want the first record (sorted by range key

The rich data types can be useful for filtering, I guess? When you are running a query against a certain hash key and want the first record (sorted by range key) that meets a condition placed on a nested property of a map or whose "tags" property is a string set containing a certain member, for example.