直接上代码:

  CREATE FUNCTION UNIX_TIMESTAMP (@ctimestamp datetime) RETURNS integer   AS  BEGIN   /* Function body */   declare @return integer   SELECT @return = DATEDIFF(SECOND,{d '1970-01-01'}, @ctimestamp)   return @return  END      CREATE FUNCTION from_unixtime (@ts integer) RETURNS datetime   AS  BEGIN   /* Function body */   declare @return datetime   select @return = DATEADD(second, @ts, {d '1970-01-01'})   return @return  END

用法

跟MySQL下的一样类似:

  select dbo.UNIX_TIMESTAMP('2013-1-1')  select dbo.from_unixtime(2145000000)

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