Query: s3_buckets_for_sns_topic

select
  b.arn as bucket_arn
from
  aws_s3_bucket as b,
  jsonb_array_elements(
    case jsonb_typeof(event_notification_configuration -> 'TopicConfigurations')
      when 'array' then (event_notification_configuration -> 'TopicConfigurations')
      else null end
    )
    as t
where
  t ->> 'TopicArn' = $1
  and account_id = split_part($1, ':', 5)
  and region = split_part($1, ':', 4);