Oracle PLSQL选择枢轴,而没有动态SQL,请通过[封闭
题
它可能会响应的人,我们希望在11G R2 Oracle DBMS上使用枢轴选项选择SELECT功能。我们的查询就像:
select * from
(SELECT o.ship_to_customer_no, ol.item_no,ol.amount
FROM t_order o, t_order_line ol
WHERE o.NO = ol.order_no and ol.item_no in (select distinct(item_no) from t_order_line))
pivot --xml
( SUM(amount) FOR item_no IN ( select distinct(item_no) as item_no_ from t_order_line));
可以看出,XML会被评论,如果以Pivot XML运行,它以XML格式提供了正确的输出,但是我们必须将数据作为未构造的枢轴数据获取,但是此句子会引发错误:ORA-00936:缺少表达
任何决议或想法都将受到欢迎,
此致
--------------------但工作proc低于----------------------------------------------------------------------------------
在2011年1月17日之前更新了该过程16:39 GMT:
PROCEDURE pr_pivot_item_by_ship_to (
p_location_code IN t_customer.location_code%TYPE,
p_customer_price_group IN t_customer.customer_price_group%TYPE,
p_shipment_date IN t_order.shipment_date%TYPE,
p_fasdat_status IN t_order.fasdat_status%TYPE,
p_order_type IN t_order.order_type%TYPE,
cur_pivot_item_by_ship_to OUT sys_refcursor
)
IS
v_sql VARCHAR2 (15000);
v_pivot_items VARCHAR2 (15000) := '';
v_query_items VARCHAR2 (15000) := '';
v_pivot_orders VARCHAR2 (15000) := '';
v_continue INT := 0;
BEGIN
/*GET ORDER NUMBERS*/
FOR cur_order_loop IN (SELECT DISTINCT (o.NO) AS order_no
FROM t_order o,
vw_customer_with_ship_to_info wwc
WHERE wwc.customer_price_group =
p_customer_price_group
AND wwc.location_code =
p_location_code
AND o.shipment_date = p_shipment_date
AND o.fasdat_status = p_fasdat_status
AND o.order_type = p_order_type
AND wwc.NO = o.customer_no)
LOOP
v_pivot_orders :=
''',''' || TO_CHAR (cur_order_loop.order_no)
|| v_pivot_orders;
v_pivot_orders := LTRIM (v_pivot_orders, ''',''');
END LOOP;
/*USE ORDER NUMBERS TO FIND ITEMS TO PIVOT BY SHIPMENT PLACE*/
FOR cur_loop IN
(SELECT DISTINCT (ol.item_no) AS item_no,
REPLACE
(REPLACE (SUBSTR (i.description, 1, 20), '''',
''),
'"',
' inch'
) AS description
FROM t_order_line ol, t_item i
WHERE ol.item_no = i.NO
AND ol.order_no IN (
SELECT DISTINCT (o.NO) AS order_no
FROM t_order o,
vw_customer_with_ship_to_info wwc
WHERE wwc.customer_price_group =
p_customer_price_group
AND wwc.location_code =
p_location_code
AND o.shipment_date = p_shipment_date
AND o.fasdat_status = p_fasdat_status
AND o.order_type = p_order_type
AND wwc.NO = o.customer_no))
LOOP
v_query_items := ',''' || cur_loop.item_no || '''' || v_query_items;
v_pivot_items :=
','''
|| cur_loop.item_no
|| ''' as "ad_'
|| cur_loop.description
|| '"'
|| v_pivot_items;
END LOOP;
v_query_items := LTRIM (v_query_items, ',');
v_pivot_items := LTRIM (v_pivot_items, ',');
v_sql :=
'select * from
(SELECT wwc.ship_to_customer_no||''-''|| wwc.ship_to_customer_name as "Müst. Adi ('
|| p_order_type
|| ')", ol.item_no,ol.amount
FROM t_order o, t_order_line ol,vw_customer_with_ship_to_info wwc
WHERE o.NO = ol.order_no
and wwc.no = o.customer_no
and ol.order_no in (
(SELECT DISTINCT (o.NO) AS order_no
FROM t_order o,
vw_customer_with_ship_to_info wwc
WHERE wwc.customer_price_group ='''
|| p_customer_price_group
|| '''
AND wwc.location_code =
'''
|| p_location_code
|| '''
AND o.shipment_date = '''
|| p_shipment_date
|| '''
AND o.fasdat_status = '
|| p_fasdat_status
|| '
AND o.order_type = '''
|| p_order_type
|| '''
AND wwc.NO = o.customer_no)
)
and OL.ITEM_NO in ('
|| v_query_items
|| ')
)
pivot
( SUM(amount) FOR item_no IN ('
|| v_query_items --v_pivot_items
|| '))';
--DBMS_OUTPUT.put_line ('TSQL ' || v_sql);
-- OPEN cur_pivot_item_by_ship_to FOR
-- SELECT v_sql
-- FROM DUAL;
BEGIN
OPEN cur_pivot_item_by_ship_to FOR v_sql;
EXCEPTION
WHEN NO_DATA_FOUND
THEN
NULL;
WHEN OTHERS
THEN
IF SQLCODE = -936
THEN
NULL;
ELSE
pck_helper.pr_log_error
(SQLCODE,
'p_shipment_date:'
|| p_shipment_date
|| ','
|| 'cur_pivot_item_by_ship_to err. :'
|| SQLERRM,
'pr_pivot_item_by_ship_to'
);
END IF;
END;
EXCEPTION
WHEN NO_DATA_FOUND
THEN
NULL;
WHEN OTHERS
THEN
pck_helper.pr_log_error (SQLCODE,
'p_shipment_date:'
|| p_shipment_date
|| ','
|| SQLERRM,
'pr_pivot_item_by_ship_to'
);
END pr_pivot_item_by_ship_to;
END pkg_report;
解决方案 2
编辑在2011年1月17日的过程很脏,但是工作,循环光标应该更改,更好的错误。处理动态SQL(目前是首屈一指的),将在有时间时尝试改进它。谢谢大家的帮助。
其他提示
我现在没有Oracle 11实例(我PIVOT
在Oracle 11中是新的,所以我只能推测。我的猜测是 --
最终发表了所有内容 pivot
, ,Oracle给您带来了“丢失的表达”错误,因为它希望在 pivot
. 。你尝试评论了吗 xml
通过与 /*
和 */
而不是放置 --
之前?
说,如果您从Java运行此查询,那么,如果您尝试在以下字符串中运行SQL,我希望您会遇到“丢失的表达式”错误:
String sql =
"select * from (SELECT o.ship_to_customer_no, ol.item_no,ol.amount " +
"FROM t_order o, t_order_line ol " +
"WHERE o.NO = ol.order_no and ol.item_no in (select distinct(item_no) from t_order_line)) " +
"pivot --xml " +
"( SUM(amount) FOR item_no IN ( select distinct(item_no) as item_no_ from t_order_line))";
因为该SQL字符串被连接到一行中,所以 --
在...前面 xml
将导致Oracle忽略查询之后的所有内容。
编辑: :在您添加的过程中,我关注的是这个部分(缩写):
v_sql := 'begin
select * from ...;
end;';
open DENEME for
select v_sql from dual;
我不明白你为什么使用 BEGIN
和 END
内 v_sql
. 。尝试删除它们。
另外,请注意不要在SQL语句字符串中留下尾随的分号。以下将给出一个 ORA-00911: invalid character
错误,如果您尝试使用execute timperiate或suflike运行它:
v_sql := 'select * from dual;'; /* note the semicolon inside the string */
但是以下内容还可以:
v_sql := 'select * from dual';
最后,您似乎要返回此SQL查询的结果,而不是查询本身为字符串。更换你的 open DENEME for ...
以下声明应执行您想要的事情:
open DENEME for v_sql;
编辑2: :在您的过程中,有一个对DBMS_OUTPUT.put_line的评论。您是否验证了此处生成的SQL是正确的?特别是,您是否确定没有一个用于形成的值 v_query_items
和 v_pivot_items
有 '
他们中的角色?
可能是有一个问题 PIVOT
使用动态SQL。我不知道,也无济于事,因为我在这里无法访问Oracle 11。如果将SQL简化为较小的查询,您仍然会遇到错误吗? PIVOT
在里面?换句话说,找到一个简单的 PIVOT
有效的查询(例如,您可以在SQL开发人员或类似的情况下成功运行它),编写以下过程,并查看是否从中获得任何数据:
CREATE OR REPLACE PROCEDURE dynamic_pivot_test(
results OUT SYS_REFCURSOR
)
AS
BEGIN
OPEN results FOR 'SELECT ...'; /* put the PIVOT query here. */
END;
/