存在確認に count(*) 使うのやめる - Githubissues

tatsuru / isucon11-qualify

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存在確認に count(*) 使うのやめる #10

Closed polamjag closed 3 years ago

polamjag commented 3 years ago

https://github.com/tatsuru/isucon11-qualify/issues/3#issuecomment-903038689