Analyze costs by availability zone for a subaccount

Postgres SQL, as run

select provider_name as provider_name,
       region_name,
       availability_zone,
       billing_period_start,
       sum(effective_cost) as total_effective_cost
from focus.cost_and_usage
where sub_account_id = $1::text
  and charge_period_start >= $2::timestamptz
  and charge_period_end < $3::timestamptz
group by 1, 2, 3, 4
order by total_effective_cost desc nulls last, provider_name, region_name, availability_zone, billing_period_start
limit 500

Parameters: $1 = sub_account_id, $2 = period_start, $3 = period_end

Original FOCUS SQL

SELECT
  ProviderName,
  RegionName,
  AvailabilityZone,
  BillingPeriodStart,
  SUM(EffectiveCost) AS TotalEffectiveCost
FROM focus_data_table
WHERE SubAccountId = ?
  AND ChargePeriodStart >= ? AND ChargePeriodEnd < ?
GROUP BY
  ProviderName,
  RegionName,
  AvailabilityZone,
  BillingPeriodStart
 ORDER BY ProviderName,
  RegionName,
  AvailabilityZone,
  BillingPeriodStart