Query: dynamodb_table_key_schema

select
  schema ->> 'AttributeName' as "Attribute Name",
  schema ->> 'KeyType' as "Key Type"
from
  aws_dynamodb_table,
  jsonb_array_elements(key_schema) as schema
where
  arn = $1
  and region = split_part($1, ':', 4)
  and account_id = split_part($1, ':', 5);