58 lines
1.6 KiB
MySQL
58 lines
1.6 KiB
MySQL
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-- 修正 t_app_wcs_task_bak 表中 vehicle_id 字段的异常数据
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-- 将 FC 开头的时间格式数据修正为 NULL 或默认值
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-- 1. 首先查看异常数据
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SELECT
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wcs_task_id,
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vehicle_id,
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create_time,
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remark
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FROM t_app_wcs_task_bak
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WHERE vehicle_id LIKE 'FC%'
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OR vehicle_id LIKE '%/%'
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OR vehicle_id LIKE '%:%'
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ORDER BY create_time DESC;
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-- 2. 统计异常数据数量
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SELECT
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COUNT(*) as total_records,
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COUNT(CASE WHEN vehicle_id LIKE 'FC%' THEN 1 END) as fc_records,
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COUNT(CASE WHEN vehicle_id LIKE '%/%' THEN 1 END) as date_format_records,
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COUNT(CASE WHEN vehicle_id LIKE '%:%' THEN 1 END) as time_format_records
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FROM t_app_wcs_task_bak
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WHERE vehicle_id LIKE 'FC%'
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OR vehicle_id LIKE '%/%'
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OR vehicle_id LIKE '%:%';
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-- 3. 修正方案1：将异常数据设置为 NULL
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UPDATE t_app_wcs_task_bak
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SET vehicle_id = NULL
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WHERE vehicle_id LIKE 'FC%'
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OR vehicle_id LIKE '%/%'
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OR vehicle_id LIKE '%:%';
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-- 4. 修正方案2：将异常数据设置为默认载具号（如果需要）
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-- UPDATE t_app_wcs_task_bak
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-- SET vehicle_id = 'DEFAULT_VEHICLE'
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-- WHERE vehicle_id LIKE 'FC%'
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-- OR vehicle_id LIKE '%/%'
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-- OR vehicle_id LIKE '%:%';
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-- 5. 验证修正结果
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SELECT
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wcs_task_id,
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vehicle_id,
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create_time,
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remark
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FROM t_app_wcs_task_bak
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WHERE vehicle_id IS NOT NULL
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ORDER BY create_time DESC
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LIMIT 20;
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-- 6. 检查是否还有异常数据
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SELECT
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COUNT(*) as remaining_abnormal_records
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FROM t_app_wcs_task_bak
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WHERE vehicle_id LIKE 'FC%'
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OR vehicle_id LIKE '%/%'
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OR vehicle_id LIKE '%:%';
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