传递表作为PL/SQL存储过程中的参数
问题描述:
请原谅任何错误的问题,因为我对PL/SQL和Oracle有很少的经验。但是,我目前还不知道如何传递一个表作为参数。目前,此过程输出与指定输入匹配的一个条目。例如,如果交易产品= a,交易区域= c,交易对手区域= b,交易平台= d,交易法律实体= e,对冲产品= f和对冲法律实体= g,则返回这种独特的组合。但是,我希望能够为每个参数分配多个值并返回所有结果。例如,根据前面的例子,如果我指定对冲法律实体= g或h,那么我想看到2个条目 - “a,c,b,d,e,f,g”和“a, C,b,d,E,F,H”。我相信这是通过将我的参数类型更改为varchar2s表而不是单个varchar2来完成的。任何见解都非常感谢。传递表作为PL/SQL存储过程中的参数
CREATE OR REPLACE PROCEDURE SOX_SCOPING.BM_ENTIRE_TABLE_ARRAY_PARAMS (
trade_product in varchar2
, trade_region in varchar2
, counterparty_region in varchar2
, trade_desk in varchar2
, trade_legal_entity in varchar2
, hedge_product in varchar2
, hedge_legal_entity in varchar2
, out_cursor out sys_refcursor) IS
BEGIN
open out_cursor for
SELECT D.PRODUCTS AS TRADE_PRODUCTS, D.TRADER_REGION, D.REGION, D.DESK AS TRADE_DESK, D.LEGAL_ENTITY AS TRADE_LEGAL_ENTITY,F.PRODUCTS AS HEDGE_PRODUCTS, F.LEGAL_ENTITY AS HEDGE_LEGAL_ENTITY
FROM
(SELECT C.*, BM_LEGAL_ENTITY.LEGAL_ENTITY
FROM
(SELECT B.*, BM_DESK.DESK
FROM
(SELECT *
FROM
(SELECT BM_PRODUCTS.*,BM_TRADER_REGION.REGION AS TRADER_REGION
FROM SOX_SCOPING.BM_PRODUCTS
CROSS JOIN SOX_SCOPING.BM_TRADER_REGION)
CROSS JOIN SOX_SCOPING.BM_COUNTERPARTY_REGION) B
LEFT OUTER JOIN SOX_SCOPING.BM_DESK
ON B.PRODUCTS = BM_DESK.DESK_TO_PRODUCT) C
LEFT OUTER JOIN BM_LEGAL_ENTITY
ON C.DESK = BM_LEGAL_ENTITY.LEGAL_ENTITY_TO_DESK) D
CROSS JOIN (
SELECT E.*,BM_LEGAL_ENTITY.LEGAL_ENTITY
FROM
(SELECT BM_PRODUCTS.*,BM_DESK.DESK
FROM SOX_SCOPING.BM_PRODUCTS
LEFT OUTER JOIN SOX_SCOPING.BM_DESK
ON BM_PRODUCTS.PRODUCTS = BM_DESK.DESK_TO_PRODUCT) E
LEFT OUTER JOIN BM_LEGAL_ENTITY
ON E.DESK = BM_LEGAL_ENTITY.LEGAL_ENTITY_TO_DESK) F
where
d.products in (trade_product)
and D.TRADER_REGION in (trade_region)
and D.REGION in (counterparty_region)
and D.DESK in (trade_desk)
and D.LEGAL_ENTITY in (trade_legal_entity)
and F.PRODUCTS in (hedge_product)
and F.LEGAL_ENTITY in (hedge_legal_entity)
ORDER BY TRADE_PRODUCTS, TRADER_REGION,REGION,TRADE_DESK,HEDGE_PRODUCTS,HEDGE_LEGAL_ENTITY;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
-- Consider logging the error and then re-raise
RAISE;
END BM_ENTIRE_TABLE_ARRAY_PARAMS;
/
答
这是我会写,如果我不得不创建一个表名的变量和OUT参数作为SYS_REFCURSOR程序的方式。希望你能适应你的代码。
CREATE OR replace PROCEDURE PROC_ONE(vstablename VARCHAR2,
c1 OUT SYS_REFCURSOR)
IS
sqlstmt VARCHAR2(255);
BEGIN
sqlstmt := 'select * from '
||vstablename;
OPEN c1 FOR sqlstmt;
END;
[在表名传递作为参数PLSQL]的可能的复制(http://stackoverflow.com/questions/27592366/passing-in-table-name-as-plsql-parameter) – Dmitry