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