Passing field-symbols to a function module

Hey experts.
In this scenario I am in the need to pass two buffer fieldsymbols (one contains a string, the other one a table) from my main programm to a function module.
The main programm handles the user input and double-loops the function call with changing parameters. I cannot initialize the field-symbols within a loop since I'd loose the data. So I need to declare them BEFORE the function call proceeds, get them transfered over to the function module AND I need them saved from one call to the next one.
Any suggestions ?
How can I set global parameters available in my main programm and my function module?

Hi Paul,
Field symbols never contain data but refer to some existing data objects, so what you need is to copy the latter (string and internal table in your case), and you can define to which data objects the field symbols refer to, at any time. To duplicate a data object, it will depend if they are defined statically or dynamically?
How can I set global parameters available in my main programm and my function module?
It's difficult to give you one answer, it may depend on your scenario, you have lots of possibilities, interface work area, global data that is written and read using dedicated procedures, export/import to memory...
A little excerpt of your code would help.
BR
Sandra

Similar Messages

Passing Field Symbols in FM

Hi Friends,
 In my FM, i want to pass field symbol back to my main program for further use. How can i achieve the same.
 In my source code section of FM,
FIELD-SYMBOLS: <t_dyntable> TYPE STANDARD TABLE,
 <fs_dyntable>,
 <fs_fldval> TYPE ANY,
 <fs_col1>,<fs_col2>.
DATA : t_newtable TYPE REF TO data,t_newline TYPE REF TO data,t_fldcat TYPE lvc_t_fcat.
CALL METHOD cl_alv_table_create=>create_dynamic_table
 EXPORTING
 it_fieldcatalog = t_fldcat
 IMPORTING
 ep_table = t_newtable
 EXCEPTIONS
 generate_subpool_dir_full = 1
 OTHERS = 2.
ASSIGN t_newtable->* TO <t_dyntable>.
CREATE DATA t_newline LIKE LINE OF <t_dyntable>.
i want to pass <t_dyntable> back to my prg but i am not getting how to pass it and where to write it.
Please guide me.
Thanks and Regards,
Gaurav

Hi Naimesh,
 Thanks for the reply.
 Finally i understood what you guys wanted me to do.I did exactly the same but the problem remains the same.
 when my control get back to subroutine it works fine, i mean upto
ASSIGN r_dyntab->* TO <t_dyntable>
,it works fine.But when the control gets over from FM and process the next statement
clear <t_dyntable>.
then the <t_dyntable> says it is not yet assigned. I want to access <t_dyntable> as main dynamic table for further process.
i have added code for your reference.
Thanks and Regards,
Gaurav
Report Zcallingprg.
DATA : t_newtable TYPE REF TO data,t_newline TYPE REF TO data,t_fldcat TYPE lvc_t_fcat.
DATA : wa_it_fldcat TYPE lvc_s_fcat,wa_colno(2) TYPE n,wa_flname(5) TYPE c,G_DISCONT.
data : num2(2).
DATA: rest TYPE i.
DATA: task(8) TYPE c value '1'.
FIELD-SYMBOLS: <t_dyntable> TYPE STANDARD TABLE,
 <fs_dyntable>,
 <fs_fldval> TYPE ANY,
 <fs_col1>,<fs_col2>.
DO 100 TIMES.
rest = sy-index MOD 36.
IF rest = 0.
 task = task + 1.
ENDIF.
CALL FUNCTION 'ZTEST_NEW_TASK' STARTING NEW TASK task
EXPORTING
 num2 = 2.
ENDDO.
clear <t_dyntable>.
FORM get_dyn_tab CHANGING r_dyntab TYPE REF TO data.
ASSIGN r_dyntab->* TO <t_dyntable>.
ENDFORM.
code of FM
CALL METHOD cl_alv_table_create=>create_dynamic_table
 EXPORTING
 it_fieldcatalog = t_fldcat
 IMPORTING
 ep_table = r_newtab
 EXCEPTIONS
 generate_subpool_dir_full = 1
 OTHERS = 2.
*ASSIGN r_newtab->* TO <t_dyntable>.
PERFORM get_dyn_tab(ztemp5) USING r_newtab.

In webdynpro ,Passing field symbols as values to class methods

Hi
Please tell me the ways of accessing database in webdynpro abap(not directly). I am calling Class method for accessing database. As currently I am directly accessing database in my webdynpro application. I have created a class and method for the same.
In my method I want to use select statement which will return table with values to webdynpro application. So for select statement(Calling Method) I need to use my field symbol values as where in clause .
Could anyone please help with example code?
Thanks,
Ujjwal

data: in_line type ref to data.
CREATE DATA in_line LIKE LINE OF <dyn_tab>.
ASSIGN in_line->* TO <dyn_wa>.
You can create a data reference and assign it to a field symbol and change the values. direclty passing field symbols is not possible.
Abhi

How to pass select-option filed to Function Module Exporting Parameter

Hi,
    How to pass select-option filed to Function Module Exporting Parameter.
Thanks

Hi,
DATA: BEGIN OF ITAB5_WRK OCCURS 0,
        KUNNR     TYPE KNKK-KUNNR, "CUSTOMER #
        SBGRP     TYPE KNKK-SBGRP, "CREDIT REP
        KLIMK     TYPE KNKK-KLIMK, "CREDIT LIMIT
        NAME1     TYPE KNA1-NAME1, "CUSTOMER NAME
        SKFOR     TYPE KNKK-SKFOR, "TOTAL A/R
        AMT1      TYPE KNKK-SKFOR, "CURRENT
        AMT2      TYPE KNKK-SKFOR,                          "01-30
        AMT3      TYPE KNKK-SKFOR,                          "31-60
        AMT4      TYPE KNKK-SKFOR,                          "61-90
        AMT5      TYPE KNKK-SKFOR,                          "91-120
        AMT6      TYPE KNKK-SKFOR,                          "OVR 120
        BZIRK     TYPE KNVV-BZIRK,
      END OF ITAB5_WRK.
SELECT-OPTIONS P_COMP     FOR T001-BUKRS
SELECT KUNNR SBGRP FROM KNKK
         INTO TABLE ITAB5_WRK
         WHERE SBGRP IN P_REP
           AND KUNNR GE '0001000000'
           AND SKFOR NE 0.
LOOP AT ITAB5_WRK.
    DELETE ADJACENT DUPLICATES FROM ITAB5_WRK COMPARING KUNNR.
ENDLOOP.
PERFORM GET_CREDIT_LIMITS.
*=======================================================================
IF P_DIST NE SPACE.
    LOOP AT ITAB5_WRK.
      SELECT SINGLE * FROM KNVV WHERE KUNNR EQ ITAB5_WRK-KUNNR
                                  AND VKORG EQ P_COMP
                                  AND VTWEG EQ '20'
                                  AND SPART EQ '10'
                                  AND BZIRK IN P_DIST.
      IF SY-SUBRC EQ 0.
        MOVE KNVV-BZIRK TO ITAB5_WRK-BZIRK.
        MODIFY ITAB5_WRK.
      ELSE.
        DELETE ITAB5_WRK.
      ENDIF.
    ENDLOOP.
ENDIF.
*==============================================================
LOOP AT ITAB5_WRK.
    MOVE: 'F/S'            TO WRK-KKBER,
           ITAB5_WRK-KUNNR TO WRK-KUNNR.
    PERFORM AGING.
    ADD: W_SNFAE TO ITAB5_WRK-AMT1,
         W_SFAE1 TO ITAB5_WRK-AMT2,
         W_SFAE2 TO ITAB5_WRK-AMT3,
         W_SFAE3 TO ITAB5_WRK-AMT4,
         W_SFAE4 TO ITAB5_WRK-AMT5,
         W_SFAE5 TO ITAB5_WRK-AMT6,
         W_SFAEL TO ITAB5_WRK-SKFOR,
         W_SNFAE TO ITAB5_WRK-SKFOR.
    MOVE: 'SPEC'            TO WRK-KKBER,
           ITAB5_WRK-KUNNR TO WRK-KUNNR.
    *PERFORM AGING.*
    ADD: W_SNFAE TO ITAB5_WRK-AMT1,
         W_SFAE1 TO ITAB5_WRK-AMT2,
         W_SFAE2 TO ITAB5_WRK-AMT3,
         W_SFAE3 TO ITAB5_WRK-AMT4,
         W_SFAE4 TO ITAB5_WRK-AMT5,
         W_SFAE5 TO ITAB5_WRK-AMT6,
         W_SFAEL TO ITAB5_WRK-SKFOR,
         W_SNFAE TO ITAB5_WRK-SKFOR.
    MODIFY ITAB5_WRK.
ENDLOOP.
FORM AGING.
*CALL FUNCTION 'CUSTOMER_DUE_DATE_ANALYSIS'*
EXPORTING
      BUKRS             = P_COMP
      KKBER             = WRK-KKBER
      KUNNR             = WRK-KUNNR
      RASID             = 'FEND'
      KLIMP             = 'X'
    IMPORTING
      SFAE1             = W_SFAE1
      SFAE2             = W_SFAE2
      SFAE3             = W_SFAE3
      SFAE4             = W_SFAE4
      SFAE5             = W_SFAE5
      SFAE6             = W_SFAE6
      SFAEL             = W_SFAEL
      SNFA1             = W_SNFA1
      SNFA2             = W_SNFA2
      SNFA3             = W_SNFA3
      SNFA4             = W_SNFA4
      SNFA5             = W_SNFA5
      SNFA6             = W_SNFA6
      SNFAE             = W_SNFAE
    EXCEPTIONS
      NO-AGING_SCHEDULE = 1
      NO_TABLE_INPUT    = 2.
CASE SY-SUBRC.
    WHEN 1.
      MESSAGE E999 WITH 'PLEASE ENTER AGING SCHEDULE'.
    WHEN 2.
      MESSAGE E999 WITH 'DO NOTHING ??'.
ENDCASE.
ENDFORM.                    "AGING
Thanks

Passing Field Symbols in subroutines

Hi all,
Can any body tell me how to pass field symbols in a suboutine and will that effect orignal value of that symbl if i change it in subroutine.
Any Help will be awarded.
Sachin

Hi
Field Symbols
Field symbols are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field symbols are similar to dereferenced pointers in C (that is, pointers to which the content operator * is applied). However, the only real equivalent of pointers in ABAP, that is, variables that contain a memory address (reference) and that can be used without the contents operator, are reference variables in ABAP Objects.
All operations programmed with field symbols are applied to the field assigned to it. For example, a MOVE statement between two field symbols moves the contents of the field assigned to the first field symbol to the field assigned to the second field symbol. The field symbols themselves point to the same fields after the MOVE statement as they did before.
You can create field symbols either without or with type specifications. If you do not specify a type, the field symbol inherits all of the technical attributes of the field assigned to it. If you do specify a type, the system checks the compatibility of the field symbol and the field you are assigning to it during the ASSIGN statement.
Field symbols provide greater flexibility when you address data objects:
If you want to process sections of fields, you can specify the offset and length of the field dynamically.
You can assign one field symbol to another, which allows you to address parts of fields.
Assignments to field symbols may extend beyond field boundaries. This allows you to address regular sequences of fields in memory efficiently.
You can also force a field symbol to take different technical attributes from those of the field assigned to it.
The flexibility of field symbols provides elegant solutions to certain problems. On the other hand, it does mean that errors can easily occur. Since fields are not assigned to field symbols until runtime, the effectiveness of syntax and security checks is very limited for operations involving field symbols. This can lead to runtime errors or incorrect data assignments.
While runtime errors indicate an obvious problem, incorrect data assignments are dangerous because they can be very difficult to detect. For this reason, you should only use field symbols if you cannot achieve the same result using other ABAP statements.
For example, you may want to process part of a string where the offset and length depend on the contents of the field. You could use field symbols in this case. However, since the MOVE statement also supports variable offset and length specifications, you should use it instead. The MOVE statement (with your own auxiliary variables if required) is much safer than using field symbols, since it cannot address memory beyond the boundary of a field. However, field symbols may improve performance in some cases.
check the below links u will get the answers for your questions
http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb3860358411d1829f0000e829fbfe/content.htm
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/field_sy.htm
http://searchsap.techtarget.com/tip/1,289483,sid21_gci920484,00.html
Syntax Diagram
FIELD-SYMBOLS
Basic form
FIELD-SYMBOLS <fs>.
Extras:
1. ... TYPE type
2. ... TYPE REF TO cif
3. ... TYPE REF TO DATA
4. ... TYPE LINE OF type
5. ... LIKE s
6. ... LIKE LINE OF s
7. ... TYPE tabkind
8. ... STRUCTURE s DEFAULT wa
The syntax check performed in an ABAP Objects context is stricter than in other ABAP areas. See Cannot Use Untyped Field Symbols ad Cannot Use Field Symbols as Components of Classes.
Effect
This statement declares a symbolic field called <fs>. At runtime, you can assign a concrete field to the field symbol using ASSIGN. All operations performed with the field symbol then directly affect the field assigned to it.
You can only use one of the additions.
Example
Output aircraft type from the table SFLIGHT using a field symbol:
FIELD-SYMBOLS <PT> TYPE ANY.
DATA SFLIGHT_WA TYPE SFLIGHT.
ASSIGN SFLIGHT_WA-PLANETYPE TO <PT>.
WRITE <PT>.
Addition 1
... TYPE type
Addition 2
... TYPE REF TO cif
Addition 3
... TYPE REF TO DATA
Addition 4
... TYPE LINE OF type
Addition 5
... LIKE s
Addition 6
... LIKE LINE OF s
Addition 7
... TYPE tabkind
Effect
You can define the type of the field symbol using additions 2 to 7 (just as you can for FORM parameters (compare Defining the Type of Subroutine Parameters). When you use the ASSIGN statement, the system carries out the same type checks as for USING parameters of FORMs.
This addition is not allowed in an ABAP Objects context. See Cannot Use Obsolete Casting for FIELD SYMBOLS.
In some cases, the syntax rules that apply to Unicode programs are different than those for non-Unicode programs. See Defining Types Using STRUCTURE.
Effect
Assigns any (internal) field string or structure to the field symbol from the ABAP Dictionary (s). All fields of the structure can be addressed by name: <fs>-fieldname. The structured field symbol points initially to the work area wa specified after DEFAULT.
The work area wa must be at least as long as the structure s. If s contains fields of the type I or F, wa should have the structure s or at least begin in that way, since otherwise alignment problems may occur.
Example
Address components of the flight bookings table SBOOK using a field symbol:
DATA SBOOK_WA LIKE SBOOK.
FIELD-SYMBOLS <SB> STRUCTURE SBOOK
DEFAULT SBOOK_WA.
WRITE: <SB>-BOOKID, <SB>-FLDATE.
Reward points for useful Answers
Regards
Anji

Error while passing a table to a function module

Hi Iam passing a table g_tab of length 376 flat structure to the function module..under TABLES section parameter.
Changedocument_read_headers.
iam getting a complile time error like the below displayed thing. Can u tell me how to solve this ?
In the function module interface, you can specify only
fields of a specific type and length under "I_CDHDR".
Although the currently specified field
"G_CDHDR_TAB" is the correct type, its length is incorrect.
Edited by: kiran kumar on Jul 7, 2008 8:53 AM

probably u making a mistake while declaring the table
declare it like this in the tables section:
S_JOB LIKE RNGE_OBJID
where s_job is the internal table name and RANGE_OBJID is a structure type and NOT an internal table type.

Passing the structure to rfc function module

hi,
iam having a rfc function module which is importing structure.
i have to pass only one field value to that structure.
how can i pass that field value to that structure.
it is very urgent.
thanks in advance

Hi..
You have to Declare the ACTUAL PARAMETER (workarea) with the Same Structure as that of the FORMAL PARAMETER.
but you can fill only the FIELD that you want pass in the workarea and pass it to the RFC.
Reward if helpful.

Passing Internal Table to a Function Module.

I am new to Web Dynpro Abap. Using the Function Builder, I am trying to pass an Internal Table (IT) as an import parameter into my Function Module (FM), fill it within the FM and be able to recieve the filled IT back as an Export parameter from the FM to my program. My problem here is that I do not know how to specify the Internal Table as an import OR export parameter for a Function Module, I tried using the Table Tab, but it says that is obsoleted.
Anyone! Thanks.

Hi,
You want to pass the internal table to FM inside WD component and that table contains fields from diff table, right?
Open the FM through SE37. Goto 'Tables' tab of FM. Create table of type mentioned in the 'Associated Type' column of the FM. Fill the internal table with data and pass the internal table to FM.
You can create Table type with different fields through SE11.
I hope I interpreted your question correctly.
Regards,
Saket.

How to pass dynamic logical expression to function module

Hi,
I'm using FM META_READ_TABLE as below:
As mentioned above im using META_READ_TABLE FM to get company codes from CSKS table of ECC. Below is the code im using:
   DATA:i_opt type STANDARD TABLE OF RFC_DB_OPT, i_fld type STANDARD TABLE OF RFC_DB_FLD,
       i_res type STANDARD TABLE OF TAB512.
Constants:   c_expr(72) TYPE c VALUE 'KOSTL EQ COST_CTR', c_fld(5) TYPE c VALUE 'BUKRS'.
w_opt-text = c_expr.
w_fld-FIELDNAME = c_fld.
append: w_opt to i_opt,
        w_fld to i_fld.
data i_control type STANDARD TABLE OF BBP_CONTROL_RECORD.
**&&--Get Co code from ECC (CSKS table)
CALL FUNCTION 'META_READ_TABLE'
EXPORTING
    QUERY_TABLE          = c_table
*   DELIMITER            = ' '
*   NO_DATA              = ' '
*   ROWSKIPS             = '0'
*   ROWCOUNT             = '0'
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TABLES
    OPTIONS              = i_opt
    FIELDS               = i_fld
    DATA                 = i_res
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Rgds

The "communication error" would seem more likely to be a problem with an RFC call - does 'META_READ_TABLE" call another function in the remote system?
We don't have that function module here (is it SRM?) but you should be able to construct your dynamic "where" something like this (p_kostl is the variable in this example):
data:
    l_where     type text72.
concatenate
    'KOSTL EQ_'
    p_kostl      "variable
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translate l_where using '_ '. "replace underscore with space
Jonathan

Error with quantity field:Datasource Creation Using Function Module method

Problem with DATASOURCE Creation using Function Module method :
I have created a datasource ZSTANDARD_COST_PRICE using Function Module method . The datasource creation is successfull when I remove the quantity field from the Z table . If I dont remove the quantity field from my Z table it gives an error as "Units Field WAERS for field STPRS of datasource ZSTANDARD_COST_PRICE is hidden". I am not able to remove this error . Please someone guide.
Let me know if my explanation is not clear enough.
Thanks in advance,
Neha.
Z table definition is as below :
MATNR MATNR CHAR 18 0 Material Number
BWKEY BWKEY CHAR 4 0 Valuation area
LFGJA LFGJA NUMC 4 0 Fiscal Year of Current Period
STPRS STPRS CURR 11 2 Standard Price " Here the currency field is WAERS and table T001
PEINH PEINH DEC 5 0 Price Unit
VJSTP VJSTP CURR 11 2 Standard price in previous year
VJPEI VJPEI DEC 5 0 Price unit of previous year.
Edited by: Neha Rathi on Jan 30, 2009 3:03 PM

Hi,
You should add it as one of the main fields as you have added other fields and not as the currency fields...that is..it should be part of the data source and you should be able to see it in RSO2...
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Thanks
Ajeet

Passing field symbol value to a variable

Hi All,
I have a value in Field Symbol declared as <FS-STATUS> TYPE STANDARD TABLE.
I want to use the value <fs-status> -low in a case statement.
For this i think i have to pass the <fs-status> -low into a variable and then use in case statement.
Can anyone explain how to pass values in field symbol to variable? Or if this is not possible is there any other solution.
Thanks in advance.

Hi ,
I have give some code sample ; just check ..
DATA: BEGIN OF line,
 col1(1) TYPE c,
 col2(1) TYPE c VALUE 'X',
 END OF line.
FIELD-SYMBOLS <fs> LIKE line.
ASSIGN line TO <fs>.
MOVE <fs>-col2 TO <fs>-col1.
WRITE: <fs>-col1, <fs>-col2.
Or u can check this link :
 http://www.erpgenie.com/abaptips/content/view/401/62/

How to pass field symbol or table from one view to another view in abap web dynpro?

I am creating an Inbound Outbound ALV report in ABAP Web Dynpro. However at selection-screen I have select options and fetching is done at view2. Problem is we can pass parameter using inbound outbound parameters but how to pass internal table or field-symbols from one view to another view? I made use of Assistance Class too but its not very clear to me. Please give me some example or code to sort this problem out.

I am creating an Inbound Outbound ALV report in ABAP Web Dynpro. However at selection-screen I have select options and fetching is done at view2. Problem is we can pass parameter using inbound outbound parameters but how to pass internal table or field-symbols from one view to another view? I made use of Assistance Class too but its not very clear to me. Please give me some example or code to sort this problem out.

Passing the parameter in the Function module MESSAGE_SEND_AS_MAIL

Hi all,
I have to send the same message to five different mail ID's using the Function module MESSAGE_SEND_AS_MAIL
How to pass this five mail ID's in the Parameter Reciever of the Function module
Regards
Ajay

see if this helps
REPORT Z_MESSAGE.
data receiv type standard table of SOMLRECI1 initial size 0.
data wa type SOMLRECI1.
wa-receiver = 'email address in caps'.
wa-REC_TYPE = 'U'.
append wa to receiv.
wa-receiver = 'email address in caps'.
wa-REC_TYPE = 'U'.
append wa to receiv.
do so more more three
CALL FUNCTION 'MESSAGE_SEND_AS_MAIL'
EXPORTING
    msgid           = 'Z_ZZZ_CA_MESSAGES'
    msgno           = '000'
   MSGV1           = 'material'
   MSGV2           = 'MAT'
   MSGV3           = 'MM'
   MSGV4           = 'MMM'
tables
    receivers       = receiv[]
          COMMIT WORK AND WAIT.
then u can go to SOST transaction and see that the mail has been or is yet to be sent. It worked for me. The message comes in an PDF form to the mail box.
Edited by: Biswadeep Ghosh on Jun 25, 2008 2:28 PM
Edited by: Biswadeep Ghosh on Jun 25, 2008 2:30 PM

How to pass BI Query parameters from Function Module

Hi,
We are executing the BI queries using the Function Module "RS_VC_GET_QUERY_VIEW_DATA_FLAT" by passing the query name and the provider information.
Is there a way, to pass the filter parameter values also to the query by using this function module? I am not sure how the VC tool is using this Function Module to call the BI queries and passing the filter values.
Your help is appreciated.
Thanks
Suri

Suryanarayana,
Are you trying to execute a query in batch?. If you want to execute try to look at WRITEQUERY - which is a standard SAP program. You can execute this program directly or you can customize it completely and produce the output in .CSV file.
Hope this helps. Award points if useful.
Goodluck,
Alex (Arthur Samson)

Passing SELECT-OPTIONS value to Function Module

Hi,
I need to pass select-options value to a function module.
Code is like the following:
SELECT-OPTIONS seltab FOR object-type.
CALL FUNCTION 'Z_MY_FM'
      EXPORTING
        sel_tab         = seltab
     IMPORTING
        result_tab     = it_result
I have found a similar problem in the SDN forum: How to pass select-options parameter to FM?
However, that could not help me much in solving my problem.
So far I have tried to created a structure in DDIC with the following components for the select-options:
SIGN - BAPISIGN
OPTION - BAPIOPTION
LOW - ZBWOBJECTTYPE (my type)
HIGH - ZBWOBJECTTYPE (my type)
and subsequently a table type for this structure which is specified in the "Import" tab of my function module.
Unfortunately, when I ran the program a runtime exception occured (CALL_FUNCTION_CONFLICT_TYPE).
Could anyone please help me on this issue?
Thanks in advance.
Regards,
Joon Meng

Hello Joon,
CALL FUNCTION 'Z_MY_FM'
      EXPORTING
        sel_tab         = seltab
     IMPORTING
        result_tab     = it_result
You have defined SELTAB as a SELECT-OPTION.
So when you pass only SELTAB, the header line is transferred to the FM. When you pass SELTAB[] the whole table(range) is passed.
It is similar to the concept of an internal table with header line.
Hope i am clear.
Anyways how have you defined result_tab and sel_tab ?
BR,
Suhas

Passing field-symbols to a function module

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