SQLServer建立交叉表查询

/* 使用方法，直接执行，传入参数（series_guid, 查询条件）返回一个数据来源gaodai#ma#com搞@代~码$网集 如： 查询该系列Cylindrical1下所有产品 dbo.P_GetSeriesProductDetail ‘Cylindrical1’,” 查询系列Cylindrical1下含有BK-1的产品 dbo.P_GetSeriesProductDetail ‘Cylindrical1’,’p

/*
使用方法，直接执行，传入参数（series_guid, 查询条件）返回一个数据集
如：
查询该系列Cylindrical1下所有产品
dbo.P_GetSeriesProductDetail ‘Cylindrical1’,”
查询系列Cylindrical1下含有BK-1的产品
dbo.P_GetSeriesProductDetail ‘Cylindrical1′,’product_name like ”%BK-1%”’
*/
CREATE PROCEDURE P_GetSeriesProductDetail(@series_guid varchar(40), @condition varchar(1000))
AS
DECLARE @ParamNo nvarchar(5)
DECLARE @SQL nvarchar(4000)
Set @SQL=”
DECLARE P_cursor CURSOR
local
fast_forward
FOR SELECT param_no FROM V_product_params where series_guid=@series_guid
OPEN P_cursor

FETCH next FROM P_cursor INTO @ParamNo
WHILE (@@fetch_status = 0)
BEGIN
Set @SQL = @SQL + ‘,MAX(CASE param_no WHEN ‘ + @ParamNo + ‘ THEN param_value ELSE ”” END) AS F’ + @ParamNo + char(13)
FETCH next FROM P_cursor INTO @ParamNo
END

CLOSE P_cursor
DEALLOCATE P_cursor
Set @SQL=’SELECT type_guid, series_guid, product_no, product_name’ + @SQL + ‘
FROM V_product_params WHERE series_guid=”’ + @series_guid + ””
if (LTrim(@condition)”)
Set @SQL= @SQL + ‘ and ‘ + @condition
Set @SQL= @SQL + ‘
GROUP BY type_guid, series_guid, product_no, product_name’

Print @SQL
Execute sp_executesql @SQL

，

喜欢 (0)赏

[搞代码]

分享 (0)