Query: vpc_flow_logs_for_cloudwatch_log_group

select
  distinct f.flow_log_id
from
  aws_cloudwatch_log_group as g,
  aws_vpc_flow_log as f
where
  f.log_group_name = g.name
  and f.log_destination_type = 'cloud-watch-logs'
  and f.region = g.region
  and g.arn = $1;