UPDATE zc_repair
SET maintain_finish_time ='2018-04-05 18:53:39',
zc_repair_time_zosj=(
SELECT
CONCAT(TRUNCATE((UNIX_TIMESTAMP(maintain_finish_time)-UNIX_TIMESTAMP(equ_mal_time))/86400,0),'/',
TRUNCATE(MOD(UNIX_TIMESTAMP(maintain_finish_time)-UNIX_TIMESTAMP(equ_mal_time),86400)/3600,0),':',
TRUNCATE(MOD(UNIX_TIMESTAMP(maintain_finish_time)-UNIX_TIMESTAMP(equ_mal_time),3600)/60,0),':',
TRUNCATE(MOD(UNIX_TIMESTAMP(maintain_finish_time)-UNIX_TIMESTAMP(equ_mal_time),60),0)) FROM zc_repair WHERE zc_repair_id='325'
)
WHERE
zc_repair_id =325
时间差 天数/小时/分钟/秒
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转载自my.oschina.net/u/3566463/blog/1816638
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