MySQL ORDER by custom

1 Timestampdiff2 3 Syntax:4 5 Timestampdiff (INTERVAL,DATETIME_EXPR1,DATETIME_EXPR2). 6 7 Description:8 9 returns an integer difference between a date or datetime expression Datetime_expr1 and datetime_expr2the. The unit of the result is given by the interval parameter. The parameter must be one of the following values:Ten  One Frac_second. Indicates that the interval is milliseconds A SECOND. Seconds - MINUTE. Minutes - HOUR. Hours the Day . Days - WEEK. Week - MONTH. Month - QUARTER. Quarterly + Year . Years - //distance current time greater than 3 days ascending
 + sql: A SELECT at Timestampdiff (day, Time, now ()) -  from - Table - ORDER by -     ( -  Case inWhen Timestampdiff (day, Time, now ()) >3 Then - ASC to ELSE + DESC - END the)

　 *Timestampadd $Grammar:Panax NotoginsengTimestampadd (interval,int_expr,datetime_expr) - theDescription +Adds an integral expression int_expr to a date or datetime expression datetime_expr. The interval in the formula are the same as the values listed above.

MySQL ORDER by custom