获取设备使用频次统计

2025-10-11 10:32:16 +08:00
parent 62af38cbf0
commit 5cdacad468
1 changed files with 1 additions and 1 deletions
--- a/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml
+++ b/fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml
@ -478,7 +478,7 @@
            d.type_name AS deviceName,
            COUNT(*) AS frequency
        FROM device_log dl
-        LEFT JOIN device d ON dl.device_id = d.id
+        INNER JOIN device d ON dl.device_id = d.id
        WHERE dl.create_time >= DATE_SUB(NOW(), INTERVAL #{days} DAY)
        GROUP BY d.device_type, d.type_name
        ORDER BY frequency DESC