Analyze service costs by region v1.3

Postgres SQL, as run

select date_trunc('month', charge_period_start at time zone 'UTC') as charge_month,
       case when publisher_name is not null and publisher_name is distinct from invoice_issuer_name then publisher_name else provider_name end as service_provider_name,
       region_id as region_id,
       service_name as service_name,
       sum(effective_cost) as total_effective_cost
from focus.cost_and_usage
where charge_period_start >= $1::timestamptz
  and charge_period_end < $2::timestamptz
group by 1, 2, 3, 4
order by charge_month, total_effective_cost desc nulls last, service_provider_name, region_id nulls last, service_name nulls last
limit 500

Parameters: $1 = period_start, $2 = period_end

Original FOCUS SQL

SELECT
  ChargePeriodStart,
  ServiceProviderName,
  RegionId,
  ServiceName,
  SUM(EffectiveCost) AS TotalEffectiveCost
FROM focus_data_table
WHERE ChargePeriodStart >= ? and ChargePeriodEnd  < ?
GROUP BY
  ChargePeriodStart,
  ServiceProviderName,
  RegionId,
  ServiceName
ORDER BY ChargePeriodStart,
  SUM(EffectiveCost) DESC