Analyze cost by participating entities

Postgres SQL, as run

select billing_period_start as billing_period_start,
       billing_period_end as billing_period_end,
       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,
       invoice_issuer_name as invoice_issuer_name,
       provider_name as host_provider_name,
       service_name as service_name,
       billing_currency as billing_currency,
       sum(billed_cost) as total_billed_cost
from focus.cost_and_usage
where billing_period_start >= $1::timestamptz
  and billing_period_end < $2::timestamptz
group by billing_period_start, billing_period_end, 3, invoice_issuer_name, provider_name, service_name, billing_currency
order by total_billed_cost desc nulls last, service_provider_name, service_name
limit 500

Parameters: $1 = billing_period_start, $2 = billing_period_end

Original FOCUS SQL

SELECT
  BillingPeriodStart,
  BillingPeriodEnd,
  ServiceProviderName,
  InvoiceIssuerName,
  HostProviderName,
  ServiceName,
  BillingCurrency,
  SUM(BilledCost) AS TotalBilledCost
 FROM focus_data_table
 WHERE BillingPeriodStart >= ? AND BillingPeriodEnd < ?
 GROUP BY
  BillingPeriodStart,
  BillingPeriodEnd,
  ServiceProviderName,
  InvoiceIssuerName,
  HostProviderName,
  ServiceName,
  BillingCurrency
 ORDER BY TotalBilledCost DESC