代码改变世界

SQL 存储过程动态创建视图

2015-02-27 10:19  马尔代夫_珍  阅读(395)  评论(0编辑  收藏  举报

CREATE PROCEDURE  CREAR_PF_VIEW 
AS BEGIN
DECLARE @sql VARCHAR(MAX)
SET @sql = 'CREATE VIEW dbo.V_PF
AS select * from (select distinct XMBH as XMBH  From YDS_SHPB ) X1 '
DECLARE @uid VARCHAR(MAX)
DECLARE @sql_ls VARCHAR(MAX)
DECLARE cur CURSOR               --定义一个游标
READ_ONLY
FOR  SELECT SPBLX FROM YDS_SHBPDY--为所获得的数据集指定游标
open cur                         --打开游标
FETCH NEXT FROM cur INTO @uid    --把提取操作的列数据放到局部变量中
WHILE(@@fetch_status=0)          --返回被 FETCH 语句执行的最后游标的状态,而不是任何当前被连接打开的游标的状态。
BEGIN
   SET @sql_ls = ' left join (select B.XMBH as '+ @uid+'_BH,A.YJMC as ' +  @uid + '_YJ,A.JBRMC as ' +@uid +'_QZ,
           A.JBRQMC as '+@uid+'_RQ,B.JBRYJ as '+ @uid +'_BT from YDS_SHBPDY as A,YDS_SHPB as B  where A.SPBLX = B.SPBLX  and A.SPBLX ='''+@uid+''' 
           ) '+@uid+' on X1.XMBH = '+@uid+'.'+@uid +'_BH'
  SET @sql = @sql + @sql_ls 
--提前下一位信息
FETCH NEXT FROM cur INTO @uid
END
CLOSE cur     --关闭游标
DEALLOCATE cur--删除游标
--PRINT   @sql
IF exists     --判断视图是否存在若存在则删除后创建
(SELECT * FROM dbo.sysobjects WHERE id = object_id(N'[dbo].[V_PF]') and OBJECTPROPERTY(id, N'IsView') = 1)
DROP VIEW [dbo].[V_PF]
EXEC(@sql)
END
GO

来源:http://blog.csdn.net/namespacefeng/article/details/17240119