Query: lambda_functions_for_s3_bucket

select
  t ->> 'LambdaFunctionArn' as function_arn
from
  aws_s3_bucket as b,
  jsonb_array_elements(
    event_notification_configuration -> 'LambdaFunctionConfigurations'
  ) as t
where
  event_notification_configuration -> 'LambdaFunctionConfigurations' <> 'null'
  and b.arn = $1;