this max should have been an int

models/intermediate/cross/int_daily_currency_exchange_rates.sql

@@ -64,7 +64,7 @@ with
     ),
     -- CTEs for projecting backward
     oldest_xe_date_per_curr_pair as (
-        select from_currency, to_currency, max(rate_date_utc) as oldest_date_utc
+        select from_currency, to_currency, min(rate_date_utc) as oldest_date_utc
         from stg_xedotcom__exchange_rates
         group by 1, 2
     ),