hashbro
35 lines
1.2 KiB
SQL
35 lines
1.2 KiB
SQL
-- Only devices.created_at / updated_at.
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-- 用 mysql -uroot -p -t -vv coruna < 本文件 才会打印行数。
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-- 已成功跑过就不要再跑（会再减 8 小时）。
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-- 改完后：php artisan coruna:daily-stats --all
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SET time_zone = '+08:00';
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SET @cutoff = '2026-09-16 14:00:00'; -- TODO: 改成实际切时区的时间
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SHOW COLUMNS FROM devices LIKE '%_at';
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SELECT 'preview' AS step, 'created_at' AS col, COUNT(*) AS n,
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MIN(created_at) AS mn, MAX(created_at) AS mx
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FROM devices WHERE created_at IS NOT NULL AND created_at < @cutoff
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UNION ALL
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SELECT 'preview', 'updated_at', COUNT(*), MIN(updated_at), MAX(updated_at)
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FROM devices WHERE updated_at IS NOT NULL AND updated_at < @cutoff;
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START TRANSACTION;
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UPDATE devices SET created_at = DATE_SUB(created_at, INTERVAL 8 HOUR)
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WHERE created_at IS NOT NULL AND created_at < @cutoff;
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SELECT ROW_COUNT() AS created_at_updated;
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UPDATE devices SET updated_at = DATE_SUB(updated_at, INTERVAL 8 HOUR)
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WHERE updated_at IS NOT NULL AND updated_at < @cutoff;
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SELECT ROW_COUNT() AS updated_at_updated;
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SELECT id, device_id, created_at, updated_at
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FROM devices
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WHERE created_at IS NOT NULL
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ORDER BY id ASC
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LIMIT 3;
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COMMIT;
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