完善小细节

tradeCattle/deep_debug_latitude_truncation.sql

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+-- ====================================
+-- 深入分析latitude数据截断问题
+-- ====================================
+
+-- 1. 检查所有项圈设备的latitude和longitude数据
+SELECT 
+    device_id,
+    latitude,
+    longitude,
+    LENGTH(latitude) as lat_length,
+    LENGTH(longitude) as lng_length,
+    voltage,
+    temperature,
+    steps,
+    same_day_steps,
+    update_time
+FROM iot_device_data 
+WHERE device_type = 4
+ORDER BY update_time DESC;
+
+-- 2. 检查是否有latitude或longitude包含特殊字符
+SELECT 
+    device_id,
+    latitude,
+    longitude,
+    ASCII(latitude) as lat_ascii,
+    ASCII(longitude) as lng_ascii
+FROM iot_device_data 
+WHERE device_type = 4
+AND (latitude LIKE '%[^0-9.-]%' OR longitude LIKE '%[^0-9.-]%');
+
+-- 3. 检查xq_client_log表的字段长度限制
+SELECT 
+    COLUMN_NAME,
+    DATA_TYPE,
+    CHARACTER_MAXIMUM_LENGTH,
+    COLUMN_TYPE
+FROM INFORMATION_SCHEMA.COLUMNS 
+WHERE TABLE_SCHEMA = DATABASE() 
+AND TABLE_NAME = 'xq_client_log'
+AND COLUMN_NAME IN ('latitude', 'longitude', 'device_voltage', 'device_temp');
+
+-- 4. 尝试手动插入一条简单的数据测试
+INSERT INTO xq_client_log (
+    device_id, 
+    device_voltage, 
+    device_temp, 
+    server_device_id,
+    latitude, 
+    longitude, 
+    walk_steps, 
+    y_walk_steps,
+    create_time, 
+    create_by, 
+    update_time, 
+    update_by
+) VALUES (
+    'TEST_DEVICE_001',
+    '3.6',
+    '25.5',
+    'HOST_001',
+    '30.481277875444164',
+    '104.123456789012345',
+    1000,
+    500,
+    NOW(),
+    'MANUAL_TEST',
+    NOW(),
+    'MANUAL_TEST'
+);
+
+-- 5. 检查插入结果
+SELECT * FROM xq_client_log WHERE create_by = 'MANUAL_TEST';
+
+-- 6. 清理测试数据
+DELETE FROM xq_client_log WHERE create_by = 'MANUAL_TEST';