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More than 5 years have passed since last update.

楽観ロックしつつ一括更新したい。

Posted at

SQLでやる方法、これしか思いつかない。

UPDATE users SET updated_at = now(), lock_version = lock_version + 1
WHERE id IN (1,2) AND CONCAT(id,'-',lock_version) IN ('1-1','2-2');

うまい方法無いのかなー。

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