Mysql -- 统计类用法

累加:

update push_online a,
(select msg_key, push_count
from push_online)b
set a.push_count=b.push_count + 111
where a.msg_key=b.msg_key;

插入新的

insert into push_online (msg_key,push_count) values ("32123132",123) ON DUPLICATE KEY UPDATE  push_count=push_count+123;

批量插入新的:

insert into push_online (msg_key,push_count) values ("2676db91e7ac691f1d3e4059d4220081",12) ON DUPLICATE KEY UPDATE  push_count=values(push_count)

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转载自www.cnblogs.com/mafeng/p/9109702.html