sql生成(查询数据的存储过程)代码的存储过程(一)

2014-11-24 12:15:45 · 作者: · 浏览: 0

sql生成(查询数据的存储过程)代码的存储过程
[sql]
GO
/****** 对象: StoredProcedure [dbo].[pro_GenerateProGet] 脚本日期: 08/03/2012 11:26:43 ******/ www.2cto.com
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[pro_GenerateProGet]') AND type in (N'P', N'PC'))
DROP PROCEDURE [dbo].[pro_GenerateProGet]
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
/*****************************************************
** PROCEDURE : [pro_GenerateProSet]
** DECRIPTION: 生成(查询数据的存储过程)代码的存储过程
** VERSION AUTH DATE Defect No DESC
** -------- ------------ ------------ ----------------- ------------------------------
** V000.0.1 pukuimin 08/03/2012 新建程序
** -------- ------------ ------------ ----------------- -------------------------------
*******************************************************/
CREATE procedure [dbo].[pro_GenerateProGet](
@TbName NVARCHAR(200) ---表名
)
as
begin
DECLARE @TableName NVARCHAR(200) --表名
DECLARE @Parameters VARCHAR(8000) --所有参数
DECLARE @SelectFields VARCHAR(8000) --插入列(无唯一键)
DECLARE @SelectConditions VARCHAR(8000) --查询条件
SELECT @TableName = @TbName,@Parameters = '',@SelectConditions='',@SelectFields=''
if isnull(@TableName,'')=''
begin www.2cto.com
print '表名不能为空!'
return 0
end
----输出存储过程名
PRINT 'CREATE PROCEDURE dbo.pro_get_'+dbo.fun_get_UpperFirst(@tablename)+'('
----全部参数
SELECT @Parameters = @Parameters + dbo.fun_get_tabspace(1)+'@'+COLUMN_NAME+' '+(
CASE
WHEN DATA_TYPE='NVARCHAR' OR DATA_TYPE='VARCHAR' OR DATA_TYPE='CHAR'OR DATA_TYPE='NCHAR'
THEN DATA_TYPE+ '('+CAST(CHARACTER_MAXIMUM_LENGTH AS NVARCHAR(20))+')'
when data_type='numeric'
then data_type+'('+CAST(numeric_precision AS NVARCHAR(20))+','+CAST(numeric_scale AS NVARCHAR(20))+')'
ELSE
DATA_TYPE
END)+','+CHAR(10) ---- CHAR(10)就是一个换行符
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = @TableName --AND COLUMN_NAME != @PrimaryKey
set @Parameters=LEFT(@Parameters,LEN(@Parameters)-2) ----去掉最后一个 ‘,’ 和 换行符
www.2cto.com
----查询字段
SELECT @SelectFields = @SelectFields + dbo.fun_get_tabspace(5)+'tb.'+COLUMN_NAME+' '+','+CHAR(10) -- CHAR(10)换行符
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = @TableName --AND COLUMN_NAME != @PrimaryKey
set @SelectFields=LEFT(@SelectFields,LEN(@SelectFields)-2)
---查询条件参数
SELECT @SelectConditions = @SelectConditions + dbo.fun_get_tabspace(1)+
(case when DATA_TYPE='numeric' then 'IF ISNULL(@'+COLUMN_NAME+',0)<>0 '
else 'IF ISNULL(@'+COLUMN_NAME+','''')<>'''' ' end)+CHAR(10)+dbo.fun_get_tabspace(1)+'begin'+CHAR(10)+dbo.fun_get_tabspace(2)+(
CASE
WHEN DATA_TYPE='NVARCHAR' OR DATA_TYPE='VARCHAR' OR DATA_TYPE='CHAR'OR DATA_TYPE='NCHAR'
THEN 'set @sql_str=@sql_str+ '' AND '+COLUMN_NAME+' like ''''%'' + @'+COLUMN_NAME+' + ''%'''''''
ELSE
'set @condition_str = CAST(@'+COLUMN_NAME+' AS VARCHAR(20))'+CHAR(10)+dbo.fun_get_tabspace(2)+
'set @sql_str=@sql_str+ '' AND tb.'+COLUMN_NAME+' like ''''%'' + @conditi