113 lines
3.0 KiB
SQL
113 lines
3.0 KiB
SQL
-- ====================================
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-- 深度调试：找出导致Data truncation的具体数据
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-- ====================================
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-- 1. 检查xq_client_log表的latitude字段定义
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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 = 'latitude';
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-- 2. 检查iot_device_data表中项圈设备的所有字段长度
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SELECT
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device_id,
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voltage,
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temperature,
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latitude,
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longitude,
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steps,
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same_day_steps,
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server_device_id,
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LENGTH(CAST(voltage AS CHAR)) as voltage_len,
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LENGTH(CAST(temperature AS CHAR)) as temp_len,
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LENGTH(latitude) as lat_len,
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LENGTH(longitude) as lng_len,
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LENGTH(CAST(steps AS CHAR)) as steps_len,
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LENGTH(CAST(same_day_steps AS CHAR)) as same_day_steps_len,
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LENGTH(server_device_id) as server_id_len,
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HEX(latitude) as lat_hex,
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HEX(longitude) as lng_hex
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FROM iot_device_data
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WHERE device_type = 4
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ORDER BY LENGTH(latitude) DESC
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LIMIT 10;
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-- 3. 检查是否有任何字段长度超过200
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SELECT
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device_id,
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CASE
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WHEN LENGTH(CAST(voltage AS CHAR)) > 200 THEN CONCAT('voltage:', LENGTH(CAST(voltage AS CHAR)))
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WHEN LENGTH(CAST(temperature AS CHAR)) > 200 THEN CONCAT('temperature:', LENGTH(CAST(temperature AS CHAR)))
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WHEN LENGTH(latitude) > 200 THEN CONCAT('latitude:', LENGTH(latitude))
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WHEN LENGTH(longitude) > 200 THEN CONCAT('longitude:', LENGTH(longitude))
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WHEN LENGTH(server_device_id) > 200 THEN CONCAT('server_device_id:', LENGTH(server_device_id))
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ELSE 'OK'
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END as field_issue,
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voltage,
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temperature,
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latitude,
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longitude,
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server_device_id
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FROM iot_device_data
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WHERE device_type = 4
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AND (
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LENGTH(CAST(voltage AS CHAR)) > 200 OR
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LENGTH(CAST(temperature AS CHAR)) > 200 OR
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LENGTH(latitude) > 200 OR
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LENGTH(longitude) > 200 OR
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LENGTH(server_device_id) > 200
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);
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-- 4. 尝试插入第9条数据（错误信息提到row 9）
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SELECT
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device_id,
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voltage,
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temperature,
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latitude,
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longitude,
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steps,
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same_day_steps,
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server_device_id,
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ROW_NUMBER() OVER (ORDER BY update_time DESC) as row_num
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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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LIMIT 10;
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-- 5. 检查第9条数据的具体内容
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WITH ranked_data AS (
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SELECT
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device_id,
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voltage,
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temperature,
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latitude,
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longitude,
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steps,
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same_day_steps,
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server_device_id,
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ROW_NUMBER() OVER (ORDER BY update_time DESC) as row_num
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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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)
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SELECT
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device_id,
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voltage,
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temperature,
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latitude,
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longitude,
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steps,
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same_day_steps,
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server_device_id,
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LENGTH(latitude) as lat_len,
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LENGTH(longitude) as lng_len,
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HEX(latitude) as lat_hex,
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HEX(longitude) as lng_hex
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FROM ranked_data
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WHERE row_num = 9;
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