MS SQL Server一個自定義函數[dbo].[udf_ConvertSecondToTime]，把秒數轉換為時間。
傳入的值最大為86399，如果大于這個數值，這将會出現異常：
The conversion of a nvarchar data type to a datetime data type resulted in an out-of-range value.
udf_ConvertSecondToTime
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
-- =============================================
-- Author: Insus.NET
-- Create date: 2012-03-24
-- Description: Convert second to time
CREATE FUNCTION [dbo].[udf_ConvertSecondToTime]
(
@Seconds INTEGER
)
RETURNS TIME
AS
BEGIN
DECLARE
@H AS NVARCHAR(2) = CAST(ROUND(@Seconds / 3600, 0) AS NVARCHAR),
@M AS NVARCHAR(2) = CAST(ROUND(((@Seconds % 3600) / 60),0) AS NVARCHAR),
@S AS NVARCHAR(2) = CAST(ROUND(((@Seconds % 3600) % 60),0) AS NVARCHAR)
RETURN CAST((@H + ':' + @M + ':' + @S) AS TIME)
END
Example:
SELECT [dbo].[udf_ConvertSecondsToTime](477)
SELECT [dbo].[udf_ConvertSecondsToTime](86399)
Result:
See also: