mysql 毫秒比较_mysql 毫秒数比较的问题

待我称王封你为后i 2023-01-12 14:56 128阅读 0赞

mysql> select now() ;

\+---------------------+

| now()               |

\+---------------------+

| 2014-09-09 10:20:43 |

\+---------------------+

1 row in set (0.00 sec)

select \* from timer t where t.shop\_uid='B831B3099B73342BADCC197700EE938F' and t.type='rds.orders.task' and t.time < now();

Empty set (0.01 sec)

mysql> select \* from timer t where t.shop\_uid='B831B3099B73342BADCC197700EE938F' and t.type='rds.orders.task' and   1410227100035<1410229370000;

\+------------------+-----------------+---------------+----------------------------------+---------------+

\+------------------+-----------------+---------------+----------------------------------+---------------+

\+------------------+-----------------+---------------+----------------------------------+---------------+

1 row in set (0.00 sec)

使用t.time < now(); 之前是没问题,现在就有问题了.

改为

select \* from timer t where t.shop\_uid='B831B3099B73342BADCC197700EE938F' and t.type='rds.orders.task' and  t.time < (UNIX\_TIMESTAMP(NOW()) \* 1000);

\+------------------+-----------------+---------------+----------------------------------+---------------+

\+------------------+-----------------+---------------+----------------------------------+---------------+

\+------------------+-----------------+---------------+----------------------------------+---------------+

mysql 毫秒比较_mysql 毫秒数比较的问题

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