日期:2014-05-16  浏览次数:20562 次

本人写的数据库常用函数(存储过程中经常要用到)
GO
/****** 对象:  UserDefinedFunction [dbo].[fun_get_LowerFirst]    脚本日期: 08/04/2012 13:03:56 ******/
IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[fun_get_comment]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
DROP FUNCTION [dbo].[fun_get_comment]
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
/*****************************************************
** DECRIPTION: 获取表中字段的描述(说明)
** VERSION      AUTH          DATE          Defect No			DESC
** --------  ------------  ------------  -----------------   ------------------------------
** V000.0.1    pukuimin     08/04/2012							新建程序						
** --------  ------------  ------------  -----------------   -------------------------------
*******************************************************/
GO
create function [dbo].[fun_get_comment](
							@tablename varchar(200),  ----表名
							@fieldname varchar(200)  ----字段名
								 )
returns varchar(200)
as
begin	
declare @returnstr varchar(200)

select distinct @returnstr =cast(b.value as varchar(200))
from syscolumns a left outer join sys.extended_properties b 
on a.id=b.major_id and a.colid=b.minor_id 
where a.name=@fieldname and a.id=object_id(@tablename)
if isnull(@returnstr,'')=''
	begin
	set @returnstr=''
	end
return @returnstr
end

/*

REF_SEQ

T_PO_REQ_ORDR_LINE


select [dbo].[fun_get_comment]('stuinfo','username')

*/


GO
/****** 对象:  UserDefinedFunction [dbo].[fun_get_UpperFirst]    脚本日期: 08/03/2012 10:10:07 ******/
IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[fun_get_UpperFirst]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
DROP FUNCTION [dbo].[fun_get_UpperFirst]

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
/*****************************************************
** DECRIPTION: 将字符串首字母大写
** VERSION      AUTH          DATE          Defect No			DESC
** --------  ------------  ------------  -----------------   ------------------------------
** V000.0.1    pukuimin     08/03/2012							新建程序						
** --------  ------------  ------------  -----------------   -------------------------------
*******************************************************/
GO
create function [dbo].[fun_get_UpperFirst](  @letters varchar(200)
								 )
returns varchar(200)
as
begin
declare @returnstr varchar(200)

if isnull(@letters,'')='' set @returnstr=''
else
set @returnstr=Upper(Substring(@letters,1,1))+Substring(@letters,2,len(@letters)-1)
return @returnstr
end


GO
/****** 对象:  UserDefinedFunction [dbo].[fun_get_LowerFirst]    脚本日期: 08/03/2012 10:10:33 ******/
IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[fun_get_LowerFirst]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
DROP FUNCTION [dbo].[fun_get_LowerFirst]

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
/*****************************************************
** DECRIPTION: 字符串首字母小写
** VERSION      AUTH          DATE          Defect No			DESC
** --------  ------------  ------------  -----------------   ------------------------------
** V000.0.1    pukuimin     08/04/2012							新建程序						
** --------  ------------  ------------  -----------------   -------------------------------
*******************************************************/
GO
create function [dbo].[fun_get_LowerFirst](  @letters varchar(200)
								 )
returns varchar(200)
as
begin	
declare @returnstr varchar(200)
if isnull(@letters,'')='' set @returnstr=''
else
set @returnstr=Lower(Substring(@letters,1,1))+Substring(@letters,2,len(@letters)-1)
return @returnstr
end


GO
/****** 对象:  UserDefinedFunction [dbo].[fun_get_PrimaryKey]    脚本日期: 08/04/2012 14:41:32 ******/
IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[fun_get_PrimaryKey]') AND type in (N'FN', N'IF', N'TF', N'FS', N'FT'))
DROP FUNCTION [dbo].[fun_get_PrimaryKey]
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
/*****************************************************
** PROCEDURE : [pro_GenerateProSet]
** DECRI