dev add statistic rest

src/main/java/ru/soune/nocopy/repository/TariffInfoRepository.java

@@ -34,17 +34,18 @@ public interface TariffInfoRepository extends JpaRepository<TariffInfo, String>
 
     @Query(value = """
     SELECT 
-            COALESCE(t.tariff_name, 'NULL') as tariff_name,
+        t.tariff_name,
         COUNT(u.id) as user_count,
         (COUNT(u.id) * 100.0) / NULLIF(
             (SELECT COUNT(*) FROM users u2 
-                 WHERE :activeOnly = false OR u2.is_active = true
+             WHERE (:activeOnly = false OR u2.is_active = true)
+               AND u2.personal_tariff_info_id IS NOT NULL
             ), 0
         ) as usage_percent
     FROM users u
-        LEFT JOIN tariff_info pti ON u.personal_tariff_info_id = pti.id
-        LEFT JOIN tariff t ON pti.tariff_id = t.id
-        WHERE :activeOnly = false OR u.is_active = true
+    INNER JOIN tariff_info pti ON u.personal_tariff_info_id = pti.id
+    INNER JOIN tariff t ON pti.tariff_id = t.id
+    WHERE (:activeOnly = false OR u.is_active = true)
     GROUP BY t.id, t.tariff_name
     ORDER BY user_count DESC
 """, nativeQuery = true)