refactor(stats): slim final daily mileage table

go/vehicle-gateway/internal/stats/source_mileage.go

@@ -200,42 +200,32 @@ WHERE vin = ? AND stat_date = ? AND protocol = ?
 
 const projectDailyMileageSQL = `
 INSERT INTO vehicle_daily_mileage
-  (vin, stat_date, protocol, daily_mileage_km,
-   first_total_mileage_km, latest_total_mileage_km,
-   trusted_source_key, trusted_phone, trusted_source_endpoint, sample_count)
+  (vin, stat_date, protocol, source_id, daily_mileage_km, latest_total_mileage_km)
 SELECT
   s.vin,
   s.stat_date,
   s.protocol,
+  ds.id,
   s.daily_mileage_km,
-  s.first_total_mileage_km,
-  s.latest_total_mileage_km,
-  s.source_key,
-  s.phone,
-  ds.latest_source_endpoint,
-  s.sample_count
+  s.latest_total_mileage_km
 FROM vehicle_daily_mileage_source s
-LEFT JOIN vehicle_data_source ds
+JOIN vehicle_data_source ds
   ON ds.protocol = s.protocol AND ds.source_ip = s.source_ip
 WHERE s.vin = ?
   AND s.stat_date = ?
   AND s.protocol = ?
   AND s.quality_status = '` + QualityOK + `'
   AND s.daily_mileage_km BETWEEN 0 AND ?
-  AND COALESCE(ds.enabled, 1) = 1
-ORDER BY COALESCE(ds.trust_priority, 100),
+  AND ds.enabled = 1
+ORDER BY ds.trust_priority,
          s.sample_count DESC,
          s.latest_event_time DESC,
          s.source_key ASC
 LIMIT 1
 ON DUPLICATE KEY UPDATE
+  source_id = VALUES(source_id),
   daily_mileage_km = VALUES(daily_mileage_km),
-  first_total_mileage_km = VALUES(first_total_mileage_km),
   latest_total_mileage_km = VALUES(latest_total_mileage_km),
-  trusted_source_key = VALUES(trusted_source_key),
-  trusted_phone = VALUES(trusted_phone),
-  trusted_source_endpoint = VALUES(trusted_source_endpoint),
-  sample_count = VALUES(sample_count),
   updated_at = CURRENT_TIMESTAMP
 `
 
@@ -248,15 +238,15 @@ JOIN (
     s2.stat_date,
     s2.protocol
   FROM vehicle_daily_mileage_source s2
-  LEFT JOIN vehicle_data_source ds
+  JOIN vehicle_data_source ds
     ON ds.protocol = s2.protocol AND ds.source_ip = s2.source_ip
   WHERE s2.vin = ?
     AND s2.stat_date = ?
     AND s2.protocol = ?
     AND s2.quality_status = '` + QualityOK + `'
     AND s2.daily_mileage_km BETWEEN 0 AND ?
-    AND COALESCE(ds.enabled, 1) = 1
-  ORDER BY COALESCE(ds.trust_priority, 100),
+    AND ds.enabled = 1
+  ORDER BY ds.trust_priority,
            s2.sample_count DESC,
            s2.latest_event_time DESC,
            s2.source_key ASC