How to write Boolean function (If Then Else) For Date Caluclation.

Dear All,
I have a scenario where i need to calculate Position time hold by an employee in an organisation.
I have 2 date Char ( DATE FROM & DATE TO), the problem is that is , If an employee is having
2/3 position in an organisation its current position End Date is always 31.12.999 as its End date is
not know. For previous position End Date is maintained.
My requirement is to calculate Position hold time including Current position.
Can it be done directly in formula variable with If Then Else condition.
or i need to write user exit if its exit,
please guide me for ABAP Code.
Thanks V V much.
Regards,

Hi,
Following options are available for you:
1. Is the valid to, valid from dates available as a result of standard time dependency of navigational attributes? if yes , you can not use them in calculations, in such case you may have to write a full fledged routine at formula variable, using uxer exit.
2. Another simple method, that i would suggest would be using temporal joins (infoSets), that precisely fits you case.
Helpful links:
About Infosets:
[http://help.sap.com/saphelp_nw70/helpdata/EN/ed/084e3ce0f9fe3fe10000000a114084/frameset.htm]
About Temporal joins:
[http://help.sap.com/saphelp_nw70/helpdata/EN/11/723c3b35703079e10000000a114084/frameset.htm]
Hope this helps.
Cheers,
Sumit

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How to write Boolean function (If Then Else)?

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How to use boolean function to write this Netted If Else statement? Thank you in advance!

Hi
If (A = 0 and B = 0)
Then 0
Else
If (A = 0 and B > 0)
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Else
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1. create a formula in the query designer. and use this formula for if - else
( ( (A==0) AND (B==0) ) * 0) + ( ( a==0 ) AND (B >0 ) * 100 + (A/B*100) )
: denotes THEN
+ : denotes ELSE
See if this works.
Assign points if helpfull
From
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Du (x) meintest am 27.07.01 zum Thema How to write a function generator:
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Message was edited by:
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create or replace FUNCTION Get_portfolio_Id3 (p_HistObjTable In Varchar2,p_LHISTOBJID IN NUMBER) RETURN view_cpu_STD_Asset.LPORTFOLIOITEMID%Type IS
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salut eric,
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Hi
Hope it will help you.
Reward if help.
Function Modules;
Check this matter.
Function Modules are Global ABAP programs created by SAP for reusable purpose.they have IMPORT,EXPORT and TABLE parameters, and EXCEPTIONS to through when error occurs.
You can create them from TCode SE37.
Go through the following doc:
Function modules are cross-program, reusable procedures that are organized into function groups, and whose functions are implemented between the statements FUNCTION and ENDFUNCTION. Function modules and their interfaces are created in the Function Builder.
Function Module Interfaces
The parameter interface of a function module is defined in the Function Builder. It includes the definition of interface parameters and the specification of exceptions that can be triggered by a function module. The Function Builder automatically generates comment lines below the FUNCTION statement in the source code of the function module, which represent the interface of the function module with the following syntax:
Syntax
... [IMPORTING parameters]
[EXPORTING parameters]
[CHANGING parameters]
[TABLES table_parameters]
[{RAISING|EXCEPTIONS} exc1 exc2 ...]
The syntax and semantics of IMPORTING, EXPORTING, CHANGING, RAISING, and EXCEPTIONS mainly correspond to the definition of method interfaces with [CLASS-]METHODS. The additional option of defining table parameters using TABLES is obsolete.
Interface parameters
The interface parameters are defined on the relevant tab pages in the Function Builder.
IMPORTING parameters are input parameters. When the function module is called, a suitable actual parameter must be specified for every non-optional input parameter. The content of the actual parameter is passed to the input parameter when the call is made. The content of an input parameter for which 'pass by reference' is defined cannot be changed in the function module.
EXPORTING parameters are output parameters. When the function module is called, a suitable actual parameter can be specified for every output parameter. The content of an output parameter that is defined for 'pass by value' is transferred to the actual parameter if the function module is completed without errors. An output parameter that is defined for pass by reference is not initialized when the function module is called.
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TABLES parameters are table parameters. Table parameters are obsolete CHANGING parameters that are typed as standard tables with a header line. If an internal table without a header line or a table body is passed as an actual parameter to a formal parameter of this type, an empty local header line is generated in the function module. If an internal table with a header line is used as an actual parameter, both the table body and the header line are passed to the function module. Pass by value is not possible in formal parameters defined using TABLES. Formal parameters defined with TABLES can be replaced by formal parameters defined with CHANGING. A local work area can be created for the internal table in the function module by using the addition LIKE LINE OF itab of the DATA statement.
Exceptions
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The addition EXCEPTIONS is used to define a list of non-class-based exceptions that can be triggered in the function module using the statements RAISE or MESSAGE RAISING. Exceptions defined in this way - as with formal parameters - are bound to the function module and cannot be propagated. If an exception of this type is triggered in a function module, and no return value has been assigned to it with the homonymous addition EXCEPTIONS of the CALL FUNCTION statement when the call was made, this leads to a runtime error.
Note
For new developments after release 6.10, SAP recommends that you work with class-based exceptions that are independent of the function module.
RFC is a technology which is used to access a functions (Modules) from
the remote systems.
If a function module is set as remote enabled which can be access from
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A function module can be set as remote enabled by SE37->Go to ur FM->click the option Button "remote enabled".
But Normal function modules can not accessd from the remote system.
Good Example for RFC enabled function module is : BAPI(Business Application Programming Interface)
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Also check these links.
http://www.geocities.com/victorav15/sapr3/abapfun.html
Check this link:
http://help.sap.com/saphelp_erp2004/helpdata/en/9f/db988735c111d1829f0000e829fbfe/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/ef/d94b78ebf811d295b100a0c94260a5/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/43/41341147041806e10000000a1553f6/frameset.htm
Check this link:
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http://help.sap.com/saphelp_nw2004s/helpdata/en/ef/d94b78ebf811d295b100a0c94260a5/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/43/41341147041806e10000000a1553f6/frameset.htm
See the following links:
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/26/64f623fa8911d386e70000e82011b8/content.htm

How to write a function

Is there a way to write a function
function f(c sys_refcursor) return number;
which is called from sql (for example like this)
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One suggestion could be to use the dbms_sql package, but it is impossible to invoke the dbms_sql.to_cursor_number function as it wants IN OUT parameter, and SQL doesn't allow in out parameters. so what to do.
thanks in advance

DimaK wrote:
Is there a way to write a function
function f(c sys_refcursor) return number;
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SQL> create or replace function FunkyFoo( c sys_refcursor ) return varchar2 is
2          type TStrings is table of varchar2(4000);
3          buffer          TStrings;
4          csvLine         varchar2(4000);
5 begin
6          fetch c bulk collect into buffer limit 10;
7          close c;
8
9          for i in 1..buffer.Count
10          loop
11                  csvLine := csvLine || buffer(i);
12                  if i != buffer.Count then
13                          csvLine := csvLine || ',';
14                  end if;
15          end loop;
16
17          return( csvLine );
18 end;
19 /
Function created.
SQL> show errors
No errors.
SQL>
SQL> col LINE format a50
SQL> select
2          FunkyFoo( cursor(select object_name from user_objects order by 1) ) as LINE
3 from dual
4 /
LINE
FUNKYFOO,TOKENISE,TSTRINGS,WEBURL
SQL>
and returns the number of columns specified in the cursor expression;No. Reason - a ref cursor does not have a describe interface. Thus you cannot determine the SQL projection of the cursor and number of columns, column labels and column data types and precision in the projection.
But the question is.. why on earth do you want to have such a function? What purpose is it suppose to fulfill? What is the underlying requirement that needs to be met? As from what you've stated here, it seems to be pursuing a very incorrect solution for the unknown problem at hand.

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Thai,
You can use the "channel" functions for this. I'm far from an expert on channel programming but I've read files line-by-line successfully by going one character at a time, looking for a carriage return.
You can open up the file channel with something like:
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Russ

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Hi,
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