将秒转换为人类可读的持续时间

我如何最好地将 90060（秒）转换为字符串“25h 1m”？

目前我正在 SQL 中执行此操作：

SELECT 
  IF(
    HOUR(
      sec_to_time(
        sum(time_to_sec(task_records.time_spent))
      )
    ) > 0, 
    CONCAT(
      HOUR(sec_to_time(sum(time_to_sec(task_records.time_spent)))), 
      'h ', 
      MINUTE(sec_to_time(sum(time_to_sec(task_records.time_spent)))),
      'm'
    ), 
    CONCAT(
      MINUTE(sec_to_time(sum(time_to_sec(task_records.time_spent)))),
      'm'
    )
  ) as time
FROM myTable;

但我不确定这是最方便的方法:-)

我愿意接受关于在 SQL（与我已经做的不同）或 PHP 中执行此操作的建议。

EDIT:

所需字符串的示例：“5m”、“40m”、“1h 35m”、“45h”、“46h 12m”。

TIME_FORMAT(SEC_TO_TIME(task_records.time_spent),'%Hh %im')

文档是你的朋友：

• http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html

根据评论：

DROP FUNCTION IF EXISTS GET_HOUR_MINUTES;
CREATE FUNCTION GET_HOUR_MINUTES(seconds INT)
  RETURNS VARCHAR(16)

  BEGIN
  DECLARE result VARCHAR(16);
  IF seconds >= 3600 THEN SET result = TIME_FORMAT(SEC_TO_TIME(seconds),'%kh %lm');
  ELSE SET result = TIME_FORMAT(SEC_TO_TIME(seconds),'%lm');
  RETURN result;
  END

DELIMETER ;

Usage:

SELECT GET_HOUR_MINUTES(task_records.time_spent) FROM table