完善小细节

tradeCattle/new_debug_collar_devices.sql

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+-- ====================================
+-- 新的调试方案：检查项圈设备数据
+-- ====================================
+
+-- 1. 检查项圈设备的总数量
+SELECT 
+    COUNT(*) as '项圈设备总数'
+FROM iot_device_data 
+WHERE device_type = 4;
+
+-- 2. 检查项圈设备的数据
+SELECT 
+    device_id,
+    device_type,
+    voltage,
+    temperature,
+    latitude,
+    longitude,
+    steps,
+    same_day_steps,
+    server_device_id,
+    update_time,
+    LENGTH(latitude) as lat_len,
+    LENGTH(longitude) as lng_len,
+    LENGTH(CAST(voltage AS CHAR)) as voltage_len,
+    LENGTH(CAST(temperature AS CHAR)) as temp_len,
+    LENGTH(server_device_id) as server_id_len
+FROM iot_device_data 
+WHERE device_type = 4 
+ORDER BY update_time DESC;
+
+-- 3. 检查是否有任何字段长度超过50
+SELECT 
+    device_id,
+    CASE 
+        WHEN LENGTH(CAST(voltage AS CHAR)) > 50 THEN CONCAT('voltage:', LENGTH(CAST(voltage AS CHAR)))
+        WHEN LENGTH(CAST(temperature AS CHAR)) > 50 THEN CONCAT('temperature:', LENGTH(CAST(temperature AS CHAR)))
+        WHEN LENGTH(latitude) > 50 THEN CONCAT('latitude:', LENGTH(latitude))
+        WHEN LENGTH(longitude) > 50 THEN CONCAT('longitude:', LENGTH(longitude))
+        WHEN LENGTH(server_device_id) > 50 THEN CONCAT('server_device_id:', LENGTH(server_device_id))
+        ELSE 'OK'
+    END as field_issue,
+    voltage,
+    temperature,
+    latitude,
+    longitude,
+    server_device_id
+FROM iot_device_data 
+WHERE device_type = 4 
+AND (
+    LENGTH(CAST(voltage AS CHAR)) > 50 OR
+    LENGTH(CAST(temperature AS CHAR)) > 50 OR
+    LENGTH(latitude) > 50 OR
+    LENGTH(longitude) > 50 OR
+    LENGTH(server_device_id) > 50
+);
+
+-- 4. 检查是否有NULL或空值
+SELECT 
+    device_id,
+    voltage,
+    temperature,
+    latitude,
+    longitude,
+    server_device_id,
+    CASE 
+        WHEN voltage IS NULL THEN 'voltage is NULL'
+        WHEN temperature IS NULL THEN 'temperature is NULL'
+        WHEN latitude IS NULL THEN 'latitude is NULL'
+        WHEN longitude IS NULL THEN 'longitude is NULL'
+        WHEN server_device_id IS NULL THEN 'server_device_id is NULL'
+        WHEN latitude = '' THEN 'latitude is empty'
+        WHEN longitude = '' THEN 'longitude is empty'
+        ELSE 'OK'
+    END as null_check
+FROM iot_device_data 
+WHERE device_type = 4 
+AND (
+    voltage IS NULL OR
+    temperature IS NULL OR
+    latitude IS NULL OR
+    longitude IS NULL OR
+    server_device_id IS NULL OR
+    latitude = '' OR
+    longitude = ''
+);