I have created a function in Oracle with 2 parameters. So when I run the query I want to pass multiple values to each parameter.
I tried using below changes in the query:
coul_1 in ('||par1||') and colu_2 in ('||par2||')
But it is not fetching the data.
How to fetch the data when I give multiple values to different declared parameters.Eg:
select * from table(fun_name('val1','val2'))
val1 will have a1,a2,a3
val2 will have b1,b2,b3
Here is the function code:
CREATE OR REPLACE FUNCTION JOBRUN_STATUS_MONITOR_F(
own_name IN VARCHAR2,
status IN VARCHAR2)
RETURN JOBRUN_STATUS_EDW_1 PIPELINED
IS
L_TAB JOBRUN_STATUS_MONITOR_EDW_1;
JR_STATUS NUMBER (38);
CURSOR jobrun_1_cr (OW_N VARCHAR2, STS VARCHAR2)
IS
SELECT *
FROM JOBRUN A,
JOBMST B,
owner C
WHERE A.JOBMST_ID = B.JOBMST_ID
AND C.OWNER_NAME = OW_N
AND A.JOBRUN_STATUS = STS ;
BEGIN V_OWN_NAME := own_name;
V_STATUS := status;
IF jobrun_1_cr%ISOPEN THEN
CLOSE jobrun_1_cr;
END IF;
OPEN jobrun_1_cr (own_name, JR_STATUS);
CLOSE jobrun_1_cr;
END JOBRUN_STATUS_MONITOR_F;
/
It sounds like you want to call the function three times, passing (a1, b1), (a2, b2) and (a3, b3). One way would be to generate an inline view containing the values you want to pass, and query it including a call to your function.
Demo pipelined function:
create or replace function demo_pipefunc
( p_own_name in varchar2
, p_status in varchar2 )
return sys.dbms_debug_vc2coll
pipelined
as
l_result long;
begin
for i in 1..3 loop
l_result := p_own_name ||';'|| p_status ||';'|| i;
pipe row (l_result);
end loop;
return;
end demo_pipefunc;
Demo call:
with params (own_name, status) as
( select 'a1', 'b1' from dual union all
select 'a2', 'b2' from dual union all
select 'a3', 'b3' from dual
)
select t.*
from params
cross join table(demo_pipefunc(own_name, status)) t
Output:
COLUMN_VALUE
a1;b1;1
a1;b1;2
a1;b1;3
a2;b2;1
a2;b2;2
a2;b2;3
a3;b3;1
a3;b3;2
a3;b3;3
try this:
CREATE OR REPLACE FUNCTION JOBRUN_STATUS_MONITOR_F (own_name IN VARCHAR2, status IN VARCHAR2) RETURN JOBRUN_STATUS_EDW_1 PIPELINED
IS L_TAB JOBRUN_STATUS_MONITOR_EDW_1;
JR_STATUS NUMBER (38);
CURSOR jobrun_1_cr (OW_N VARCHAR2, STS VARCHAR2)
IS SELECT *
FROM JOBRUN A, JOBMST B, owner C
WHERE A.JOBMST_ID = B.JOBMST_ID
AND C.OWNER_NAME = OW_N
AND A.JOBRUN_STATUS = STS;
BEGIN
V_OWN_NAME := REPLACE(own_name,'"','''');
V_STATUS := REPLACE(status,'"','''');
IF jobrun_1_cr%ISOPEN THEN
CLOSE jobrun_1_cr;
END IF;
OPEN jobrun_1_cr (own_name, JR_STATUS);
CLOSE jobrun_1_cr;
END JOBRUN_STATUS_MONITOR_F;
then call the procedure like this:
select * from table(fun_name('"a1","b1","c1"','"a1","b1","c1"'));
Your procedure may have other issues with the use of undeclared variables.
Related
I have a function that returns A clob which is actually a query. I want to call that function in another function where I want to create a cursor that will have the results of that query as it's data.
So I have this function
performance_9chartsDay(p_display_resolution,p_technology_group)
And If I call it
SELECT performance_9chartsDay(1,'OTHER') FROM DUAL;
I get the following query (clob)
'Select "Category" as "Category", less_than_5m as "<5 min", less_than_15m as "<15 min", less_than_60m as "<60 min", more_than_60m as ">60 min" ,95 as KPI from ( Select "Category",ROUND((less_than_5m / (less_than_5m+less_than_15m+less_than_60m+more_than_60m))*100,2) AS less_than_5m,
ROUND((less_than_15m / (less_than_5m+less_than_15m+less_than_60m+more_than_60m))*100,2) AS less_than_15m,
ROUND((less_than_60m / (less_than_5m+less_than_15m+less_than_60m+more_than_60m))*100,2) AS less_than_60m,
ROUND((more_than_60m / (less_than_5m+less_than_15m+less_than_60m+more_than_60m))*100,2) AS more_than_60m from (WITH statistics AS
(SELECT /*+ materialize */
*
FROM
(SELECT trim(TO_CHAR(TRUNC(last_upd), 'Month')) || ' ' || trim(TO_CHAR(TRUNC(last_upd), 'YYYY')) AS month ,
'Week ' || TO_CHAR(TRUNC(last_upd), 'WW') || ' (' || trim(TO_CHAR(TRUNC(last_upd), 'YYYY')) || ')' AS week ,
TRUNC(last_upd) AS datum,
CASE
WHEN (completed_sec/60) <= 5
THEN '<5M'
WHEN (completed_sec/60) > 5
AND (completed_sec /60) <= 15
THEN '<15M'
WHEN (completed_sec/60) > 15
AND (completed_sec /60) <= 60
THEN '<60M'
WHEN (completed_sec/60) > 60
THEN '>60M'
END AS completed_in_less_than
FROM ORD_LOAD
WHERE 1=1 AND trunc(last_upd) >= to_date('29.01.2023', 'dd.mm.yyyy') and technology in ('Mobile', 'Homebox') ) pivot (COUNT(completed_in_less_than) FOR completed_in_less_than
IN ('<5M' less_than_5m,'<15M' less_than_15m ,'<60M' less_than_60m,'>60M' more_than_60m)))
SELECT to_char(date,'dd.mm.yyyy') as "Category",SUM (less_than_5m) AS less_than_5m,
SUM (less_than_15m) AS less_than_15m,
SUM (less_than_60m) AS less_than_60m,
SUM (more_than_60m) AS more_than_60m
from statistics
group by to_char(date,'dd.mm.yyyy'))) order by to_date("Category",'dd.mm.yyyy')'
Now I have this function
FUNCTION fixMobOtherDayWeekMonth_pipe(
p_display_resolution VARCHAR2,
p_technology_group VARCHAR2
)return fixMobOtherDayWeekMonth_table PIPELINED
AS
output fixMobOtherDayWeekMonth;
v1 VARCHAR2 (200);
v2 NUMBER;
v3 NUMBER;
v4 NUMBER;
v5 NUMBER;
v6 NUMBER;
CURSOR cursor_k IS --SELECT THAT QUERY FROM THAT FUNCTION
....
```
How do I get the data from the query from that function into this cursor?
Look into REF CURSORs, that's what they are for. Modify performance_9chartsDay so that instead of returning a string, it opens a ref cursor with that string and returns the ref cursor.
CREATE OR REPLACE FUNCTION performance_9chartsDay (...)
RETURN sys_refcursor
AS
cur sys_refcursor;
BEGIN
OPEN cur for 'SQL string here';
RETURN cur;
END;
Then pass the result of that function into fixMobOtherDayWeekMonth_pipe through an IN variable of type sys_refcursor, and fetch from it.
CREATE OR REPLACE FUNCTION fixMobOtherDayWeekMonth_pipe(in_cursor IN sys_refcursor,....)
RETURN fixMobOtherDayWeekMonth_table
AS
output fixMobOtherDayWeekMonth;
BEGIN
FETCH in_cursor INTO output;
WHILE in_cursor%FOUND
LOOP
FETCH in_cursor INTO output;
PIPE ROW....
END LOOP;
END;
Table 1
ID
----------
1
2
3
4
5
Table 2
ID Desc
------------------------------
A1 Apple
A2 Pear
A3 Orange
I am trying to create a Function in Oracle, so that it add the prefix 'A' in Table 1, and after that I want to look up in Table 2 to get the DESC returned. It has to be a function.
Thank you!!!
You may use the following for creation of such a function :
Create or Replace Function Get_Fruit( i_id table2.description%type )
Return table2.description%type Is
o_desc table2.description%type;
Begin
for c in ( select description from table2 where id = 'A'||to_char(i_id) )
loop
o_desc := c.description;
end loop;
return o_desc;
End;
where
no need to include exception handling, because of using cursor
instead of select into clause.
using table_name.col_name%type for declaration of data types for
arguments or variables makes the related data type of the columns
dynamic. i.e. those would be able to depend on the data type of the
related columns.
the reserved keywords such as desc can not be used as column names
of tables, unless they're expressed in double quotes ("desc")
To call that function, the following might be preferred :
SQL> set serveroutput on
SQL> declare
2 i_id pls_integer := 1;
3 o_fruit varchar2(55);
4 begin
5 o_fruit := get_fruit( i_id );
6 dbms_output.put_line( o_fruit );
7 end;
8 /
Apple
PL/SQL procedure successfully completed
I am not sure with your question- Are you trying to achieve something like this:-
CREATE OR REPLACE FUNCTION Replace_Value
(
input_ID IN VARCHAR2
) RETURN VARCHAR2
AS
v_ID varchar(2);
BEGIN
begin
SELECT distinct a.ID into v_id from Table 2 a where a.ID in (select 'A'||b.id from table1 b where b.id=input_ID);
exception
when others then
dbms_output.put_line(sqlcode);
end;
RETURN v_id;
END Replace_Value;
Are you trying for something like this?
CREATE OR replace FUNCTION replace_value (table_name IN VARCHAR2,
input_id IN INTEGER)
RETURN VARCHAR2
AS
v_desc VARCHAR(20);
BEGIN
SELECT descr
INTO v_desc
FROM table2
WHERE id = 'A' || input_id
AND ROWNUM = 1; -- only needed if there are multiple rows for each id.
RETURN v_desc;
END replace_value;
You may also add an exception handling for NO_DATA_FOUND or INVALID_NUMBER
I have the following table:
T_TYPE_ID T_TYPE T_TYPE_PRICE T_TYPE_START_DATE T_TYPE_END_DATE
1 student 10.95 01.04.2015 00:00:00 30.06.2015 00:00:00
2 Concession 5.5 01.04.2015 00:00:00 30.06.2015 00:00:00
I need to:
Create FUNC_get_ t_type_end_date function
This function should contain the following input parameter: t_type_p and the following output parameters: t_type_price_p and t_type_end_date_p. It should return 1 if having a record with t_type as t_type_p otherwise return 0. In addition, in the case of having a record, it should assign the latest t_type_end_date to t_type_end_date_p and t_type_price to t_type_price_p. Please note that t_type_end_date_p can be null; it means that the associated price is currently valid.
I have written the following code:
CREATE OR REPLACE FUNCTION FUNC_get_t_type_end_date
( t_type_p IN VARCHAR2)
RETURN NUMBER
AS
cnum NUMBER;
CURSOR cr1 IS
SELECT t_type
FROM ticket_type
WHERE t_type = t_type_p;
BEGIN
OPEN cr1;
FETCH cr1 INTO cnum;
IF cr1%NOTFOUND THEN
cnum := 0;
END IF;
CLOSE cr1;
RETURN cnum;
END;
I did not get any clue on how to return multiple values from a function. I am using oracle.
Hint:
create or replace FUNCTION FUNC_get_ t_type_end_date (…)
return number
as
-- define a variable to return a number and assign 0 to it
-- define a cursor to obtain t_type_price, t_type_end_date of the given t_type_p. The t_type_end_date values should be sorted in descending order – to do so the first record will contain either null or the latest of t_type_end_date
BEGIN
-- open cursor
-- fetch the first record from the cursor to t_type_price_p and t_type_end_date_p
-- if (having a record) then …
-- close cursor
RETURN …
END;
It is not possible to return more than one variable from function. However, it is possible to return a customized variable (i.e. record) type that contains multiple values. To do this, you need first to define type contains the three variables you want to return as follows:
TYPE new_type is record(cnum number, t_type_end_date_p timestamp, t_type_price_p timestamp);
Then you can use it in your function as follows:
CREATE OR REPLACE FUNCTION FUNC_get_t_type_end_date ( t_type_p IN VARCHAR2)
RETURN new_type AS
new_type_variable newtype;
CURSOR cr1 IS
SELECT t_type
FROM ticket_type
WHERE t_type = t_type_p;
BEGIN
OPEN cr1;
FETCH cr1 INTO cnum;
IF cr1%NOTFOUND THEN
SELECT 0, null, null into new_type_variable from dual;
ELSE
SELECT 1, cr1.t_type_end_date, cr1.t_type_price into new_type_variable from dual;
END IF;
CLOSE cr1;
RETURN new_type_variable ;
END;
Try this:
create or replace function func_get_t_type_end_date(t_type_p in varchar2, t_type_price_p out number, t_type_end_date_p out date) return number
as
cnum NUMBER;
CURSOR cr1 IS
SELECT t_type_price,t_type_end_date
FROM ticket_type t
WHERE t_type = t_type_p
and not exists (select 1
from ticket_type t2
where t2.t_type = t.t_type
and t2.t_type_end_date>t.t_type_end_date);
BEGIN
OPEN cr1;
FETCH cr1 INTO t_type_price_p,t_type_end_date_p;
IF cr1%NOTFOUND THEN
cnum := 0;
else
cnum := 1;
END IF;
CLOSE cr1;
RETURN cnum; end;
Example of using:
set serveroutput on
declare
v_result number;
v_type_price_p number;
v_type_end_date_p date;
begin
v_result:=func_get_t_type_end_date(t_type_p=>'student',t_type_price_p=>v_type_price_p,t_type_end_date_p=>v_type_end_date_p);
dbms_output.put_line('Result: '||v_result);
dbms_output.put_line('Price: '||v_type_price_p);
dbms_output.put_line('End date: '||v_type_end_date_p);
end;
/
I have to write an Oracle procedure which should invoke an Oracle function returning REF_CURSOR. The function is declared like that
FUNCTION "IMPACTNET"."TF_CONVERTPARA" (PARASTRING IN NVARCHAR2) RETURN SYS_REFCURSOR
AS
c SYS_REFCURSOR;
BEGIN
OPEN c FOR
SELECT SUBSTR(element, 1, INSTR(element, '|') - 1) as key,
SUBSTR(element, INSTR(element, '|') + 1, 99999) as val
FROM (
SELECT REGEXP_SUBSTR(PARASTRING, '[^;]+', 1, LEVEL) element
FROM dual
CONNECT BY LEVEL < LENGTH(REGEXP_REPLACE(PARASTRING, '[^;]+')) + 1
);
RETURN c;
END;
Can you tell me what I need to write in order to invoke the function from within my procedure? I'd like to insert all the returned values (shaped a table with two columns) into a rational table.
Thank you in advance!
Something along the lines of this should work (obviously, I'm guessing about table names and column names and the exact logic that you're trying to implement)
CREATE PROCEDURE some_procedure_name
AS
l_rc SYS_REFCURSOR := impactnet.tf_convertpara( <<some string>> );
l_key VARCHAR2(100);
l_val VARCHAR2(100);
BEGIN
LOOP
FETCH l_rc
INTO l_key, l_val;
EXIT WHEN l_rc%notfound;
INSERT INTO some_table( key_column, val_column )
VALUES( l_key, l_val );
END LOOP;
END;
As Ollie points out, it would be more efficient to do a BULK COLLECT and a FORALL. If you're just dealing with a few thousand rows (since your function is just parsing the data in a delimited string, I'm assuming you expect relatively few rows to be returned), the performance difference is probably minimal. But if you're processing more data, the difference can be quite noticeable. Depending on the Oracle version and your specific requirements, you may be able to simplify the INSERT statement in the FORALL to insert a record rather than listing each column from the record individually.
CREATE PROCEDURE some_procedure_name
AS
TYPE key_val_rec
IS RECORD(
key VARCHAR2(100),
val VARCHAR2(100)
);
TYPE key_val_coll
IS TABLE OF key_val_rec;
l_rc SYS_REFCURSOR := impactnet.tf_convertpara( <<some string>> );
l_coll key_val_coll;
BEGIN
LOOP
FETCH l_rc
BULK COLLECT INTO l_coll
LIMIT 100;
EXIT WHEN l_coll.count = 0;
FORALL i IN l_coll.FIRST .. l_coll.LAST
INSERT INTO some_table( key_column, val_column )
VALUES( l_coll(i).key, l_coll(i).val );
END LOOP;
END;
How can i return 2 values from a PL-SQL function?
I would not advocate creating a function with an OUT parameter for the second value, because I like to think of functions as a pure concept: a function performs an operation on one or more inputs to produce one output. It shouldn't change any of its arguments or have any other "side effects".
So if you need two outputs, write a procedure instead:
procedure get_sqrt_and_half
( p_input number
, p_sqrt OUT number
, p_half OUT number
)
is
begin
p_sqrt := sqrt(p_input);
p_half := p_input/2;
end;
A function can only return a single SQL type, but that can be a user-defined type with multiple values. I'd need to know more about the actual end requirements before I'd recommend this as a solution, but it is a possibility.
create or replace type a_b is object (a number, b number);
/
create or replace function ret_a_b return a_b is
begin
return a_b(1,2);
end;
/
select ret_a_b from dual;
select d.rab.a, d.rab.b from (select ret_a_b rab from dual) d;
You can return one value directly and another one as an OUT parameter. Or you return a record that contains both values. The first option is, in most cases, simpler to do.
**If you are wanting to use it in SQL, then you would need a pipelined function e.g.**
CREATE OR REPLACE TYPE myemp AS OBJECT
( empno number,
ename varchar2(10),
job varchar2(10),
mgr number,
hiredate date,
sal number,
comm number,
deptno number
);
CREATE OR REPLACE TYPE myrectable AS TABLE OF myemp ;
enter code here
CREATE OR REPLACE FUNCTION pipedata(p_min_row number, p_max_row number) RETURN myrectable PIPELINED IS
v_obj myemp := myemp(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
BEGIN
FOR e IN (select *
from (
select e.*
,rownum rn
from (select * from emp order by empno) e
)
where rn between p_min_row and p_max_row)
LOOP
v_obj.empno := e.empno;
v_obj.ename := e.ename;
v_obj.job := e.job;
v_obj.mgr := e.mgr;
v_obj.hiredate := e.hiredate;
v_obj.sal := e.sal;
v_obj.comm := e.comm;
v_obj.deptno := e.deptno;
PIPE ROW (v_obj);
END LOOP;
RETURN;
END;
SQL> select * from table(pipedata(1,5));
Try using OUT parameters:
create or replace function f(a IN NUMBER, b OUT NUMBER) RETURN NUMBER IS
BEGIN
b := a;
RETURN a;
END f;