Giving START WITH dynamically in a query
Hi,
How do you specify the value in START WITH dynamically during runtime.
For example please consider the bewlo scenario:
CREATE TABLE ISCT
ITEM_NO VARCHAR2(15 CHAR) NOT NULL,
ITEM_TYPE VARCHAR2(3 CHAR) NOT NULL,
ITEM_TYPE_SCO VARCHAR2(3 CHAR) NOT NULL,
ITEM_NO_SCO VARCHAR2(15 CHAR) NOT NULL,
ARTSAL_SEQ_PRIO NUMBER(3) NOT NULL,
ART_SCO_QTY NUMBER(6,3) NOT NULL,
ITEM_SEQ_PRIO NUMBER(3),
PCKL_SEQ_PRIO NUMBER(3),
REG_DATE DATE NOT NULL,
UPD_DATE DATE NOT NULL,
DELETE_DATE DATE,
USER_NO_CHG VARCHAR2(7 CHAR) NOT NULL
CREATE TABLE ICONT
ITEM_TYPE VARCHAR2(3 CHAR) NOT NULL,
ITEM_NO VARCHAR2(15 CHAR) NOT NULL,
ITEM_TYPE_CHILD VARCHAR2(3 CHAR) NOT NULL,
ITEM_NO_CHILD VARCHAR2(15 CHAR) NOT NULL,
ITEM_QTY_CHILD NUMBER(5) NOT NULL,
REG_DATE DATE NOT NULL,
UPD_DATE DATE NOT NULL,
DELETE_DATE DATE,
II_DATE DATE NOT NULL,
IU_DATE DATE NOT NULL,
SORT_NO NUMBER(5)
Now inserting rows:
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('15795', 'CCI', 'SCI', '00245905', 25,
1, NULL, NULL, TO_DATE('10/03/2009 15:40:01', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('00245781', 'SCI', 'SCI', '00245905', 1,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('80067553', 'ART', 'SCI', '00245905', 2,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('84178910', 'ART', 'SCI', '00245905', 3,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('70132375', 'ART', 'SCI', '00245905', 4,
8, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('30067555', 'ART', 'SCI', '00245905', 5,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('50067559', 'ART', 'SCI', '00245905', 6,
5, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('14278710', 'ART', 'SCI', '00245905', 7,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('00130092', 'ART', 'SCI', '00245905', 8,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('10110159', 'ART', 'SCI', '00245905', 9,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('30124693', 'ART', 'SCI', '00245905', 10,
4, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('80130093', 'ART', 'SCI', '00245905', 11,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('90110155', 'ART', 'SCI', '00245905', 12,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('60035916', 'ART', 'SCI', '00245905', 13,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('54249810', 'ART', 'SCI', '00245905', 14,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('14180110', 'ART', 'SCI', '00245905', 15,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('97872010', 'ART', 'SCI', '00245905', 16,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('34180010', 'ART', 'SCI', '00245905', 17,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('57871710', 'ART', 'SCI', '00245905', 18,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('40067588', 'ART', 'SCI', '00245905', 19,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('00067590', 'ART', 'SCI', '00245905', 20,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('80067586', 'ART', 'SCI', '00245905', 21,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('20145196', 'ART', 'SCI', '00245905', 22,
2, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('00067585', 'ART', 'SCI', '00245905', 23,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('80124087', 'ART', 'SCI', '00245905', 24,
1, NULL, 1, TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/03/2009 15:46:04', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1008920');
Insert into isct
(ITEM_NO, ITEM_TYPE, ITEM_TYPE_SCO, ITEM_NO_SCO, ARTSAL_SEQ_PRIO,
ART_SCO_QTY, ITEM_SEQ_PRIO, PCKL_SEQ_PRIO, REG_DATE, UPD_DATE,
DELETE_DATE, USER_NO_CHG)
Values
('39809661', 'SPR', 'SCI', '00245781', 1,
1, 1, 1, TO_DATE('10/04/2009 15:24:22', 'MM/DD/YYYY HH24:MI:SS'), TO_DATE('10/04/2009 15:24:22', 'MM/DD/YYYY HH24:MI:SS'),
NULL, '1007193');
Insert into icont (ITEM_TYPE,ITEM_NO,ITEM_TYPE_CHILD,ITEM_NO_CHILD,ITEM_QTY_CHILD,REG_DATE,UPD_DATE,DELETE_DATE,II_DATE,IU_DATE,SORT_NO) values ('SPR','39809661','ART','44178610',1,to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),null,to_timestamp('15-NOV-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('20-DEC-07','DD-MON-RR HH24.MI.SSXFF'),2);
Insert into icont (ITEM_TYPE,ITEM_NO,ITEM_TYPE_CHILD,ITEM_NO_CHILD,ITEM_QTY_CHILD,REG_DATE,UPD_DATE,DELETE_DATE,II_DATE,IU_DATE,SORT_NO) values ('SPR','39809661','ART','70132375',1,to_timestamp('06-SEP-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('06-SEP-07','DD-MON-RR HH24.MI.SSXFF'),null,to_timestamp('15-NOV-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('20-DEC-07','DD-MON-RR HH24.MI.SSXFF'),4);
Insert into icont (ITEM_TYPE,ITEM_NO,ITEM_TYPE_CHILD,ITEM_NO_CHILD,ITEM_QTY_CHILD,REG_DATE,UPD_DATE,DELETE_DATE,II_DATE,IU_DATE,SORT_NO) values ('SPR','39809661','ART','74249710',1,to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),null,to_timestamp('15-NOV-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('20-DEC-07','DD-MON-RR HH24.MI.SSXFF'),3);
Insert into icont (ITEM_TYPE,ITEM_NO,ITEM_TYPE_CHILD,ITEM_NO_CHILD,ITEM_QTY_CHILD,REG_DATE,UPD_DATE,DELETE_DATE,II_DATE,IU_DATE,SORT_NO) values ('SPR','39809661','ART','80067553',1,to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('23-FEB-07','DD-MON-RR HH24.MI.SSXFF'),null,to_timestamp('15-NOV-07','DD-MON-RR HH24.MI.SSXFF'),to_timestamp('20-DEC-07','DD-MON-RR HH24.MI.SSXFF'),1);
COMMIT;
Now if you create a view:
create or replace view test_v
(ITEM_NO, ITEM_TYPE, ITEM_NO_SCO,ITEM_TYPE_SCO)
as
SELECT T.ITEM_NO, T.ITEM_TYPE, CONNECT_BY_ROOT T.ITEM_NO_SCO,T.ITEM_TYPE_SCO
FROM
SELECT NVL(C.ITEM_NO_CHILD, I.ITEM_NO) ITEM_NO, NVL(C.ITEM_TYPE_CHILD, I.ITEM_TYPE) ITEM_TYPE, I.ITEM_TYPE_SCO, I.ITEM_NO_SCO
FROM isct I,
icont C
WHERE I.ITEM_NO = C.ITEM_NO(+)
AND I.ITEM_TYPE = C.ITEM_TYPE(+)
) T
CONNECT BY PRIOR T.ITEM_NO = T.ITEM_NO_SCO AND PRIOR T.ITEM_TYPE = T.ITEM_TYPE_SCO;
Then run the below query:
select * from test_v where item_no_sco = '00245905'
the output is got within a second. but the real scenario is that both table icont and isct have millions of rows. In that case even this small query of the view takes 10minutes as there a FULL TABLE JOIN.
How do I give the START WITH in the view to make it faster i.e.
even with millions of rows the output of this comes in seconds:
SELECT T.ITEM_NO, T.ITEM_TYPE, CONNECT_BY_ROOT T.ITEM_NO_SCO,T.ITEM_TYPE_SCO
FROM
SELECT NVL(C.ITEM_NO_CHILD, I.ITEM_NO) ITEM_NO, NVL(C.ITEM_TYPE_CHILD, I.ITEM_TYPE) ITEM_TYPE, I.ITEM_TYPE_SCO, I.ITEM_NO_SCO
FROM isct I,
icont C
WHERE I.ITEM_NO = C.ITEM_NO(+)
AND I.ITEM_TYPE = C.ITEM_TYPE(+)
) T
START WITH T.ITEM_NO_SCO = '00245905'
CONNECT BY PRIOR T.ITEM_NO = T.ITEM_NO_SCO AND PRIOR T.ITEM_TYPE = T.ITEM_TYPE_SCO;
I want to summarize the above the post, you can use START WITH in a stand alone query, in a function etc. But how do you use it in a VIEW?
Thanks,
Vikram
user12004283 wrote:
Hi,
Thanks for the quick replies.
I was more looking for a solution with only SQL i.e I dont want to go for any package or outside variable.
Isn't there a way to achieve this through advanced SQL?
Also why when I create a join in a query having connect by without start with it does a full table scan of the joined table, isnt there a better way to create a join, I mean there is no need to run the whole view at a time, it would be run with a input but why isnt the connect by using to input as a START WITH!
Thanks,
VikramBut the solution is "only SQL", that you have to initialize a variable doesn't change that fact.
If you absolutely can't make that solution work, you could code this in DYNAMIC SQL, but that would much more 'bad' than the suggested implementation.
Why exactly do you need a view at all for this?
SELECT
NVL(C.ITEM_NO_CHILD, I.ITEM_NO) as ITEM_NO,
NVL(C.ITEM_TYPE_CHILD, I.ITEM_TYPE) as ITEM_TYPE,
CONNECT_BY_ROOT I.ITEM_NO_SCO as ITEM_NO_SCO,
I.ITEM_TYPE_SCO
FROM isct I,
icont C
WHERE I.ITEM_NO = C.ITEM_NO(+)
AND I.ITEM_TYPE = C.ITEM_TYPE(+)
start with I.ITEM_NO_SCO = :YOUR_BIND_VARIABLE
CONNECT BY PRIOR I.ITEM_NO = I.ITEM_NO_SCO AND PRIOR I.ITEM_TYPE = I.ITEM_TYPE_SCO;Is about as simple as it gets, no need for a view ... no need for anything flashy. What is your justification behind 'needing' a view for this?
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Hosting for PHP/MySQL is plentiful and relatively cheap. However, make sure the hosting company offers a minimum of PHP 5.2 and MySQL 5.1. Hosting for CF is harder to find and tends to be a bit more expensive, but not prohibitively so. -
Value of the start in the Select with in a Hierarchical Query
Exist any way for put in the select the value of the start with in a Hierarchical Query?
An example:
I'll need sth like
CTH@> select n code, level, np code_parent, 1 code_first_parent
2 from demo
3 start with n=1
4 connect by np = prior n
5 ;
CODE LEVEL CODE_PARENT CODE_FIRST_PARENT
1 1 1
2 2 1 1
3 3 2 1
4 4 3 1
5 5 4 1
6 6 5 1
7 7 6 1
8 8 7 1
9 9 8 1
10 10 9 1
-- Naturally it couldn´t be a constant value
The query
select n,d, level nivel
, np, prior n
from demo
start with n=1
connect by np = prior n
--Table and inserts
create table demo
( n number,
d varchar2(5),
np number);
insert into demo values (1,'A', null);
insert into demo values (2,'B',1);
insert into demo values (3,'C',2);
insert into demo values (4,'D',3);
insert into demo values (5,'E',4);
insert into demo values (6,'F',5);
insert into demo values (7,'G',6);
insert into demo values (8,'H',7);
insert into demo values (9,'I',8);
insert into demo values (10,'J',9);
insert into demo values (11,'K', null);
insert into demo values (12,'L',11);
insert into demo values (13,'M',12);
insert into demo values (14,'N',13);
insert into demo values (15,'O',14);
insert into demo values (16,'P',15);
Message was edited by:
cthOn 10g
connect_by_root(n)Best regards
Maxim -
Hierarchy query with dynamic start condition
Hi,
I have a table that stores hierarchical items (foohierarchy) and another one storing users and such items (useritems). Unfortunately the latter one is not consistent and misses some entries. I would like to fix that using pure sql. Fixing here means that a user that possesses a certain child element should also have parents of that child. There are a couple of obstacles here though. First the hierarchy table does not explicitly state which elements are top level elements. I am trying to fix that by emulating a proper structure and named that fixedhierarchy. A select statement that returns all intended user/item relationships would be nice.
Here some visualization and sample data, the sample data follows the pattern that each item uses its level as its suffix, but this shouldn't be exploited in the statement:
asci art:
-- A1 (peter,paul)
-- \_ B2
-- \_ C2
-- \_D3 (thomas)
-- \_X4
-- E1
-- \_F2
-- G1
-- \_H2 (heidi)sample data
drop table foohierarchy;
drop table useritems;
create table foohierarchy (
child_item varchar2(30),
parent_item varchar2(30));
insert into foohierarchy values ('B2','A1');
insert into foohierarchy values ('C2','A1');
insert into foohierarchy values ('D3','C2');
insert into foohierarchy values ('X4','D3');
insert into foohierarchy values ('F2','E1');
insert into foohierarchy values ('H2','G1');
create table useritems (
username varchar2 (40),
item varchar2(30)
insert into useritems values ('peter','A1');
insert into useritems values ('paul','A1');
insert into useritems values ('thomas','D3');
insert into useritems values ('heidi','H2');
commit;my attempt at fixing the hierarchy table
with fixedhierarchy as
(select parent_item,child_item from foohierarchy
union all
select distinct null parent_item,parent_item child_item from foohierarchy where parent_item not in (select child_item from foohierarchy))
select * from fixedhierarchy;What the select should return:
'peter'|'A1'
'paul'|'A1'
'thomas'|'A1'
'thomas'|'C2'
'thomas'|'D3'
'heidi'|'G1'
'heidi'|'H2'Hi,
Thanks for posting the CREATE TABLE and INSERT statments; that's very helpful! Don't forget to mention what version of Oracle you're using. That's especially important with hierachies; every version since Oracle 7 has had significant improvements in how to handle them.
I'm a little comfused as to what you want. Are you trying to permanently change the tables? If so, show what the changed table(s) should look like when the job is finished. Post the output you would want to see from "SELECT * FROM useritems;" or "SELECT * FROM foohierarchy;", or, if you want to change both tables, from both.
It looks like you have two separate problems:
(1) Changing foohierarchy, so that every item appears once as a child_id. That means adding rows with NULL parent_item for all the roots ('A1', 'E1' and 'G1'). The query you posted seems directed toward this.
(2) Denormalizing useritems, so that when a username is linked to an item, the username is linked to all that item's ancestors, too. The results you posted seem to be what you want useritems to look like after this is done.
Here's how to do those things:
<h4>(1) Changing foohierarchy</h4>
The query you posted looks good. Do you see anything wrong with it? You can use that query (or something very close to it) in an INSERT or MERGE statement.
If you just want to add some new rows to foohierarchy, then you don't need the UNION: just the second branch of it. If you're cvertain that none of those rows already exist in foohierarchy, then
INSERT INTO foohierarchy (parent_item, child_item)
SELECT DISTINCT NULL, childitem
FROM foohierarchy
WHERE parent_item NOT IN (
SELECT child_item
FROM foohierarchy
;If some of the roots might already be in foohierarchy correctly, then you'll want a something in the WHERE clause to make sure you don';t add a duplicate. A MERGE statment might do this better than INSERT.
<h4>(2) Denormalizing useritems</h4>
This adds new rows to useritems, to make it look like what you posted:
ERGE INTO useritems dst
USING (
WITH all_ancestors AS
SELECT CONNECT_BY_ROOT child_item AS descendant
, parent_item AS ancestor
FROM foohierarchy
START WITH child_item IN (
SELECT item
FROM useritems
CONNECT BY child_item = PRIOR parent_item
SELECT DISTINCT
u.username
, a.ancestor
FROM all_ancestors a
JOIN useritems u ON a.descendant = u.item
) src
ON ( src.username = dst.username
AND src.ancestor = dst.item
WHEN NOT MATCHED THEN
INSERT (dst.username, dst.item)
VALUES (src.username, src.ancestor)
;After doing this, "SELECT * FROM useritems;" will produce this output:
USERNAME ITEM
paul A1
peter A1
thomas A1
thomas C2
thomas D3
heidi G1
heidi H2Here's how it works:
Sub-query all_ancestors is a bottom-up CONNECT BY query, linking each node in useritems with all of its ancestors. CONNECT BY queries are often slow under the best circumstances; doing a join in a CONNECT BY query makes it even slower. It's more efficient to do the CONNECT BY query first, in a sub-query, and then join tht result set to other tables, as I did in src. -
Need help with writing a query with dynamic FROM clause
Hi Folks,
I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
select DT_SKEY, count(*)
from *???*
where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
having count(*) = 0
order by 1; The "from" clause of the above query should be generated as below
select 'Schema_Name'||'.'||TABLE_NAME
from dba_tables
where OWNER = 'Schema_Name'Simply sticking the later query in the first query does not work.
Any pointers will be appreciated.
Thanks
rogers42Hi,
rogers42 wrote:
Hi Folks,
I need help with an query that should generate the "FROM" clause dynamically.
My main query is as follows
select DT_SKEY, count(*)
from *???*
where DT_SKEY between 20110601 and 20110719
group by DT_SKEY
having count(*) = 0
order by 1; The "from" clause of the above query should be generated as below
select 'Schema_Name'||'.'||TABLE_NAME
from dba_tables
where OWNER = 'Schema_Name'
Remember that anything inside quotes is case-sensitive. Is the owner really "Schema_Name" with a capital S and a capital N, and 8 lower-case letters?
Simply sticking the later query in the first query does not work.Right; the table name must be given when you compile the query. It's not an expression that you can generate in the query itself.
Any pointers will be appreciated.In SQL*Plus, you can do something like the query bleow.
Say you want to count the rows in scott.emp, but you're not certain that the name is emp; it could be emp_2011 or emp_august, or anything else that starts with e. (And the name could change every day, so you can't just look it up now and hard-code it in a query that you want to run in the future.)
Typically, how dynamic SQL works is that some code (such as a preliminary query) gets some of the information you need to write the query first, and you use that information in a SQL statement that is compiled and run after that. For example:
-- Preliminary Query:
COLUMN my_table_name_col NEW_VALUE my_table_name
SELECT table_name AS my_table_name_col
FROM all_tables
WHERE owner = 'SCOTT'
AND table_name LIKE 'E%';
-- Main Query:
SELECT COUNT (*) AS cnt
FROM scott.&my_table_name
;This assumes that the preliminary query will find exactly one row; that is, it assumes that SCOTT has exactly one table whose name starts with E. Could you have 0 tables in the schema, or more than 1? If so, what results would you want? Give a concrete example, preferably suing commonly available tables (like those in the SCOTT schema) so that the poepl who want to help you can re-create the problem and test their ideas.
Edited by: Frank Kulash on Aug 11, 2011 2:30 PM -
Running a SQL Stored Procedure from Power Query with Dynamic Parameters
Hi,
I want to execute a stored procedure from Power Query with dynamic parameters.
In normal process, query will look like below in Power Query. Here the value 'Dileep' is passed as a parameter value to SP.
Source = Sql.Database("ABC-PC", "SAMPLEDB", [Query="EXEC DBO.spGetData 'Dileep'"]
Now I want to pass the value dynamically taking from excel sheet. I can get the required excel cell value in a variable but unable to pass it to query.
Name_Parameter = Excel.CurrentWorkbook(){[Name="Table3"]}[Content],
Name_Value = Name_Parameter{0}[Value],
I have tried like below but it is not working.
Source = Sql.Database("ABC-PC", "SAMPLEDB", [Query="EXEC DBO.spGetData Name_Value"]
Can anyone please help me with this issue.
Thanks
DileepHi,
I got it. Below is the correct syntax.
Source = Sql.Database("ABC-PC", "SAMPLEDB", [Query="EXEC DBO.spGetData '" & Name_Value & "'"]
Thanks
Dileep -
Creating Query with dynamic columns to show results
Hi experts,
I need to know how to create a query with dynamic columns. Meaning, I don't want to create a query with fixed columns representing the 12 periods of the fiscal year to show me actuals as the fiscal year proceeds.
For example, if I am currently in the middle of period 3 (March) of a fiscal year, when I execute the query, I need it to automatically only show me the 'Actuals' for periods 1 and 2, without seeing the columns from periods 3 to 12 showing blank.
Then when I am in the middle period 5 (May) the query should ONLY show me the columns for periods 1 to 4 'Actuals', no results should be shown for periods 5 to 12 yet, and I don't want to even see blank columns for period 6 to 12.
How do I define my columns, to achieve this.
Maximum points will be awarded.
Thanks Everyone.Hi Josh,
I'm having a little difficuluty understanding what should be included in my restricted key figures.
The time characteristics that I have available to use are:
0FISCPER3 (posting period)
0FISCYEAR (fiscal year), currently using SAP EXIT to default current fiscal year.
0FISCVARNT (fiscal year variant).
In addition, I have the following characteristics available to be used in the columns:
Value type (10)
version (currently I'm using variable for it)
Currency type (020)
Currency (USD).
Can you explain what my restricted key figure should be based on and how it should look.
I tried to create a restircted key figure using 0AMOUNT, and 0FISCPER3. For 0FISCPER3 I created a range from 1 to previous period (using SAP EXIT that supplied previous period).I also had value type, version, currency type, and currency included in that restricted key figure.Then when I tried to drag 0FISCPER3 under the restricted key figure once again, it wouldn't let me, probably because I've already used 0FISCPER3 in the restricted key figure.
Please let me know if my explanation is not clear.
Your step by step help would be great.
Thanks
Edited by: Ehab Mansour on Sep 23, 2008 2:40 PM -
Question
when I log into Firefox, the screen scrolls down and I have to use the side-bar to go back up to type my query into the 'search' window. How can I stop that and get Firefox to start with the 'search' window accessible? With thanks, PeterSee this. <br />
https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit -
Question
When I log into Firefox, the screen scrolls down and I have to use the side-bar to go back up to type my query into the 'search' window. How can I stop that and get Firefox to start with the 'search' window accessible? With thanks, PeterSee this. <br />
https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit -
Absolute dynamic select query with dynamic join and where
Has anyone ever tried creating an absolutely dynamic SELECT query with dynamic Join and Where conditions.
I have a requirement of creating such a query in an Utility Class, and i have written the code. But its throwing my sysntax errors.
Please let me know where am I going wrong OR is it really possible to create such a dynamic Query??
SELECT (FIELDS) INTO TABLE IT_TABLES
FROM ( (ME->TABLE1) inner join ( me->table2 )
on ( on_condition ) )
WHERE (me->where_fields).
Ags.It worked for me in a following way:
select * into corresponding fields of table <result_table>
from (join_string)
where (l_where).
Where the contents of join_string were dynamically build using concatenation. So it will be something like
concatenate ME->TABLE1 'as a INNER JOIN' me->table2 'as b ON (' into join_string separated by space.
<...>
add here matching/reference colums, something like
concatenate 'a~' me->TABLE1_JOIN_COL into temp1.
concatenate 'b~' me->TABLE2_JOIN_COL into temp2.
concatenate join_string temp1 '=' temp2 into join_string separated by space.
<...>
concatenate join_string ')' into join_string separated by space.
And then use similar approach for l_where variable. -
Dynamic select query with dynamic where condition
Hi all,
I want to use the dynamic select query with dynamic where condition. For that I used the below code but I am getting dump when using this code.
Please advice, if there is any other way to achieve this requirement.
Thanks,
Sanket Sethi
Code***************
PARAMETERS: p_tabnam TYPE tabname,
p_selfl1 TYPE edpline,
p_value TYPE edpline,
p_where1 TYPE edpline .
DATA: lt_where TYPE TABLE OF edpline,
lt_sel_list TYPE TABLE OF edpline,
l_wa_name TYPE string,
ls_where TYPE edpline,
l_having TYPE string,
dref TYPE REF TO data,
itab_type TYPE REF TO cl_abap_tabledescr,
struct_type TYPE REF TO cl_abap_structdescr,
elem_type TYPE REF TO cl_abap_elemdescr,
comp_tab TYPE cl_abap_structdescr=>component_table,
comp_fld TYPE cl_abap_structdescr=>component.
TYPES: f_count TYPE i.
FIELD-SYMBOLS : <lt_outtab> TYPE ANY TABLE,
* <ls_outtab> TYPE ANY,
<l_fld> TYPE ANY.
struct_type ?= cl_abap_typedescr=>describe_by_name( p_tabnam ).
elem_type ?= cl_abap_elemdescr=>describe_by_name( 'F_COUNT' ).
comp_tab = struct_type->get_components( ).
comp_fld-name = 'F_COUNT'.
comp_fld-type = elem_type.
APPEND comp_fld TO comp_tab.
struct_type = cl_abap_structdescr=>create( comp_tab ).
itab_type = cl_abap_tabledescr=>create( struct_type ).
l_wa_name = 'l_WA'.
CREATE DATA dref TYPE HANDLE itab_type.
ASSIGN dref->* TO <lt_outtab>.
*CREATE DATA dref TYPE HANDLE struct_type.
*ASSIGN dref->* TO <ls_outtab>.
* Creation of the selection fields
APPEND p_selfl1 TO lt_sel_list.
APPEND 'COUNT(*) AS F_COUNT' TO lt_sel_list.
** Creation of the "where" clause
*CONCATENATE p_selfl1 '= '' p_value ''.'
* INTO ls_where
* SEPARATED BY space.
*APPEND ls_where TO lt_where.
* Creation of the "where" clause
APPEND p_where1 TO lt_where.
* Creation of the "having" clause
l_having = 'count(*) >= 1'.
* THE dynamic select
SELECT (lt_sel_list)
FROM (p_tabnam)
INTO CORRESPONDING FIELDS OF TABLE <lt_outtab>.
* WHERE (lt_where).Hi Sanket,
The above given logic of mine works for you, put the code in the If condition and try-
just like below:
IF NOT P_EBELN IS INITIAL.
lt_where = '& = ''&'' '.
REPLACE '&' WITH p_ebeln INTO lt_where.
REPLACE '&' WITH field_value INTO lt_where.
SELECT (lt_sel_list) INTO CORRESPONDING FIELDS OF TABLE <lt_outtab>
FROM (p_tabnam)
WHERE (lt_where).
ENDIF.
thanks\
Mahesh -
How to form an Endeca query where a field must start with certain letters
hi, Is it possible to form an Endeca query to retrieve a field that must start with certain letters? Say like get all users who's first letter is 'A' ? I checked with Range filters but it is supporting only numerical fields as well as Wild card search. But nothing worked well so far. any suggestion?
Yes. Here's the gist of how it works:
Typeahead is commonly implemented by enabling wildcard search on one or more Dimensions. An AJAX query is sent out containing the beginning of a search term. A controller in the app layer answers that AJAX query and formulates an Endeca Dimension Search query. It sends that off to the Endeca MDEX engine. Endeca responds with relevant Dimension matches. The controller returns these to the client who made the AJAX request. They are rendered as hyperlinks that lead to a particular navigation state in the catalog. -
[ADF] Query panel advanced search - starts with
Hi all
I have a query panel with an attribute which has an Attached LOV. The operator is defined as "Equals" in the View criteria
The attribute is behaving properly
View image: 1
but when switched to advanced mode and "starts with" operator selected, the LOV changes to a numeric field and expects a numeric value
View image: 2
Is there a work around for this apart from removing the startswith operator
Jdev version - 11.1.2.0.0User, please always tell us your jdev version.
Well, this use case need some thinking to be done. What do you want to archive with adding a new query field to the panel? As you said you already have one field for employeeId and now, on a click on a button, you add another one. How would the resulting query work with the new field? Should it use 'and' to concatenate the query or should it use 'or'?
I suggest that you use the ADF Riche Client Demo (http://jdevadf.oracle.com/adf-richclient-demo/faces/index.jspx) select the Query node and then select 'af:query'. This shows you what is possible otu of hte box using the af:query component. You can add fields to existing queries in advanced mode (e.g. use system query 5, which starts with an empty panel and allows you to add fields).
Once you understand how this works you may come back with a more detailed use case description or you have found the solution already. Read the documentation on af:query along with trying otu the component.
Timo
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