-- ================================================
-- Template generated from Template Explorer using:
-- Create Scalar Function (New Menu).SQL
--
-- Use the Specify Values for Template Parameters
-- command (Ctrl-Shift-M) to fill in the parameter
-- values below.
--
-- This block of comments will not be included in
-- the definition of the function.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: patrick
-- Create date: 2018
-- Description:
-- =============================================
CREATE FUNCTION Lpad
(
-- Add the parameters for the function here
@str nvarchar(100),@len INT,@fix NVARCHAR(1)
)
RETURNS nvarchar(100)
AS
BEGIN
-- Declare the return variable here
DECLARE @res nvarchar(100)
-- Add the T-SQL statements to compute the return value here
SELECT @res = replicate(@fix,@len-len(@str))+@str
-- Return the result of the function
RETURN @res
END
GO
CREATE FUNCTION Rpad
(
-- Add the parameters for the function here
@str nvarchar(100),@len INT,@fix NVARCHAR(1)
)
RETURNS nvarchar(100)
AS
BEGIN
-- Declare the return variable here
DECLARE @res nvarchar(100)
-- Add the T-SQL statements to compute the return value here
SELECT @res = @str+replicate(@fix,@len-len(@str))
-- Return the result of the function
RETURN @res
END
GO
SELECT dbo.lpad('abc',10,'0'),dbo.rpad('abc',10,'0')
sql server lpad rpad
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转载自blog.csdn.net/wangzhpwang/article/details/79012439
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