refactor(go): stop duplicate mileage history writes

go/vehicle-gateway/internal/history/query.go

@@ -369,9 +369,9 @@ func (r *LocationRepository) tableName() string {
 
 func (r *MileagePointRepository) tableName() string {
 	if r.database == "" {
-		return "vehicle_mileage_points"
+		return "vehicle_locations"
 	}
-	return r.database + ".vehicle_mileage_points"
+	return r.database + ".vehicle_locations"
 }
 
 func normalizeRawFrameQuery(query RawFrameQuery) RawFrameQuery {
@@ -676,7 +676,7 @@ func locationWhere(query LocationQuery) []string {
 }
 
 func mileagePointWhere(query MileagePointQuery) []string {
-	var where []string
+	where := []string{"total_mileage_km IS NOT NULL"}
 	add := func(clause string) {
 		where = append(where, clause)
 	}