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yukihirai0505/log.sql

Created December 11, 2015 12:10
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log.sql
SET @t = 2;
SELECT
SUM(A.counter) AS counter
FROM
(SELECT
FROM_UNIXTIME(CEILING(UNIX_TIMESTAMP(access_date) / (@t * 60)) * (@t * 60)) AS access_date,
1 AS counter
FROM
tmp_user
GROUP BY CEILING(UNIX_TIMESTAMP(access_date) / (@t * 60)) * (@t * 60)) A
GROUP BY DATE_FORMAT(A.access_date, '%Y%m%d');
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