Call a PAL function within a view in HANA?

Hi community!
Does anyone know how you can integrate the call of a PAL function (e.g tripple exponential smoothing) into a HANA view? I guess this must be achievable in a CE Script?
Business scenario: we would like to show a time series based prediction on a Design Studio dashboard. Because the datasource is near-realtime and rapidly changing, we would like to calculate the PAL function on applications request. how can this be achieved?
Furthermore I was not able to integrate ordinary db views in an analytical-view (it seems to only support tables? does anyone know the reason why?)
thanks a lot!
matthias

Hi Mohler,
PAL is ultimately some set of database procedures . If you want to use it as HANA View, you may need to right scripted views and consume the same.
Analytic views are typically defined on at least one fact table that contains transactional data. Using analytic views you can create a selection of measures—sometimes referred to as key figures—, add attributes and join attribute views. Analytic views leverage the computing power of SAP HANA to calculate aggregate data, e. g., the number of cars sold per country, or the maximum power consumed per day.
Ref : https://cookbook.experiencesaphana.com/bw/modeling-data/modeling-concepts/views/
Sreehari

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Error referencing a custom function within a view

The view I'm working on works fine if I leave it without a function I'm using to calculate which gpa to use, likewise the function I designed works fine on its own.
However when I add the bolded line below, to my view I get a "Missing Expression" error when I try to create the view. I'm guessing this is some silly mistake on my part, but I'd appreciate if someone could point me in the right direction as all my searching on these forums hasn't turned up anything.
I've tried various changes in formatting such as removing the as CALC_GPA and nesting the function in a sub-query. All ended up with the same error.
Lastly the select statement does work with the function on its own, it only fails when I try to make it into a view.
create view AR_SCHOLARSHIP_GPA as
select SPRIDEN_PIDM "PIDM_KEY",SPRIDEN_ID "STUDENT_ID",SPRIDEN_LAST_NAME "LAST_NAME",
SPRIDEN_FIRST_NAME "FIRST_NAME",
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(select MAX(SORDEGR_GPA_TRANSFERRED)
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(select MAX(SORHSCH_GPA)
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ZFINDGPA(pa.SPRIDEN_PIDM) as CALC_GPA,
(select MAX(SORTEST_TEST_SCORE)
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from SATURN.SPRIDEN pa
where SPRIDEN_CHANGE_IND is null
and ((select SUM(SHRTGPA_QUALITY_POINTS)/SUM(SHRTGPA_GPA_HOURS)
     from SATURN.SHRTGPA
     where pa.SPRIDEN_PIDM = SHRTGPA_PIDM
     and SHRTGPA_GPA_TYPE_IND = 'I'
     and SHRTGPA_GPA_HOURS > 0) >= 3.25
or ((select NVL(SUM(SHRTGPA_GPA_HOURS),0)
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and ((select MAX(SORDEGR_GPA_TRANSFERRED)
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or (NOT EXISTS (select MAX(SORDEGR_GPA_TRANSFERRED)
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and (select MAX(SORHSCH_GPA)
     from SATURN.SORHSCH
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Thank you for any help you can provide.

That where clause that you're seeing is within one of the subqueries in my select statement. If you look carefully (sorry I know its a bit messy in this format) the function itself is within the main select statement, which is the same one in which I alias pa. I have tried moving the function around in the select statement, but although it continues to work as a standalone select statement, it fails as soon as I try and turn it into a view.
As for the function coding as requested:
create or replace Function ZFindGPA
(pidm_in IN number)
return number is
i_gpa number(4,2);
p_gpa number(4,2);
h_gpa number(4,2);
gpa number(4,2);
BEGIN
BEGIN
select SUM(SHRTGPA_QUALITY_POINTS)/SUM(SHRTGPA_GPA_HOURS)
into i_gpa
from SATURN.SHRTGPA
where pidm_in = SHRTGPA_PIDM
and SHRTGPA_GPA_TYPE_IND = 'I'
and SHRTGPA_GPA_HOURS > 0;
exception
when no_data_found then
i_gpa := NULL;
END;
BEGIN
select MAX(SORDEGR_GPA_TRANSFERRED)
into p_gpa
from SATURN.SORDEGR
where pidm_in = SORDEGR_PIDM;
exception
when no_data_found then
p_gpa := NULL;
END;
BEGIN
select MAX(SORHSCH_GPA)
into h_gpa
from SATURN.SORHSCH
where pidm_in = SORHSCH_PIDM;
exception
when no_data_found then
h_gpa := NULL;
END;
IF i_gpa is not null THEN
gpa := i_gpa;
ELSIF p_gpa is not null THEN
gpa := p_gpa;
ELSE
gpa := h_gpa;
END IF;
return gpa;
END;
In any case thanks for helping me look into this, I know its got me stumped :-P

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Attachments:
Scripts.zip ‏2 KB

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Can we call a function within a function??????Urgent

Dear All,
Like we can call a procedure from another procedure , in the same way can we call a function within a function. Please reply it's urgent.
Regards

> Please reply it's urgent.
My usual soapbox response.
Saying your posting is urgent is rude and arrogant. Why? Because you are saying that other people who have posted problems here, have less important problems than yours. That despite how complex and critical their problem may be, yours take priority.
You're also demaning attention and a quick answer from people that provide support here - in their free time... and not getting paid a single cent for their efforts.
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Remember that this is a public forum. You cannot demand anything here. This is not Oracle Support. There are no SLA's here. Basic nettiquette applies.

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I'm calling a function within a package that is returning a REF CURSOR.
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Folks, I figured it out. For those who may face this problem in the future you may want to take note for future reference.
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Hello Folks
I'm a newbie to oracle and am in the process of learning 10G. My question is:
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CREATE OR REPLACE PROCEDURE get_podet(part_num in number)
AS
CURSOR c2 is
SELECT *
FROM tab_po po, TABLE (po.LineItemList_nestab) L
WHERE L.PartNo = part_num;
BEGIN
FOR crec in c2 LOOP
DBMS_OUTPUT.PUT_LINE('ORDER NUMBER: ' || crec.PONo);
DBMS_OUTPUT.PUT_LINE('LINE QTY: ' || crec.Qty);
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EXCEPTION
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DBMS_OUTPUT.PUT_LINE('Failed' || 'SQLCODE: ' || SQLCODE);
DBMS_OUTPUT.PUT_LINE('SQL ERROR MESSAGE ' || SQLERRM);
END;
The line in red is where i want to call my function getCost() which is a member of tab_po po as mentioned in my SELECT.
Any thoughts highly appreciated.
Thanks and Regards

One way would be to just run the query in a editor (sqlplus or toad) and see whats the column name.
Before that can you show us the structure of the type.
If you declare a table type without an object then the default column name is COLUMN_VALUE else the object filed name is taken.
Example without object in table type.
SQL> create or replace type tbl as table of integer
2 /
Type created.
SQL> create or replace function fn return tbl
2 as
3     ltbl tbl;
4 begin
5     select level bulk collect into ltbl
6       from dual
7    connect by level <= 10;
8
9     return ltbl;
10 end;
11 /
Function created.
SQL> select * from table(fn)
2 /
COLUMN_VALUE
           1
           2
           3
           4
           5
           6
           7
           8
           9
          10
10 rows selected.
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SQL> create or replace type obj as object(no integer)
2 /
Type created.
SQL> create or replace type tbl as table of obj
2 /
Type created.
SQL> edit
Wrote file afiedt.buf
1 create or replace function fn return tbl
2 as
3     ltbl tbl;
4 begin
5     select obj(level) bulk collect into ltbl
6       from dual
7    connect by level <= 10;
8     return ltbl;
9* end;
10 /
Function created.
SQL> select * from table(fn)
2 /
        NO
         1
         2
         3
         4
         5
         6
         7
         8
         9
        10
10 rows selected.Edited by: Karthick_Arp on Jan 13, 2009 5:00 AM

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It works fine for me, but you might not want to use "PFM.P_COSTING.CALC ( 0 )" as a column name.
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David

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I have a bunch of functions written in C++. I would like to
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<[email protected]> said:
> I have a bunch of functions written in C++. I would like
to be able to
> call these functions within my flash application so that
I can pass
> data to the functions and get the returned values. Is
this possible
> with Flash 8?
>
> If this is not possible then is there a way that I can
have Flash
> share memory space with another stand-alone application?
This way, a
> C++ program could read and write data to the shared
memory and Flash
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Calling function within function as parameter

We're planning to switch from MS-OLEDB to Oracle OLEDB and are expecting several troubles.
One of these is that MS supports calling functions with another function within whilst Oralce does not?
Example (works fine with MS):
{? = call *<FUNCTION_1>* ( ?, ?, *<FUNCTION_2>* ( ?, ?, ? ) + 1, ?, 1 )}
This raises ORA-01036: Variablenname/-nummer ungültig with Oracle's OLEDB.
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Edited by: user617919 on 04.11.2011 01:28

Hi,
Whenever you have a problem, please post a complete test script that people can run to re-create the problem and test their ideas. In this case, include complete CREATE PACKAGE and CREATE PAGKAGE BODY statements, CREATE TABLE and INSERT statements for any tables needed, some test calls to the the package, and the results you want from those test calls gibven that data.
Always say which versin of Oracle you're using (e.g. 11.2.0.2.0).
See the forum FAQ {message:id=9360002}
LostNoob wrote:
--Calculate salary minus before tax deductions
FUNCTION sal_mns_btd (emp_no IN NUMBER)
RETURN NUMBER
IS
tot_mns_btd Number;
BEGIN
SELECT e.sal - bef_tax_ded(bef_ded_tot)
INTO tot_mns_btd
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Also, the table alias e isn't defined. It doesn't look like you need a table alias.

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Scene1 Layer3 Frame1 has the function call for the button.
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x = x+2};
thank you so much for helping me.

Call a PAL function within a view in HANA?

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