Use of Changing and table parameters in the FM

[Former Member]

Hi,

Can any body pl stell me the Use of Changing and table parameters in the FM .

Please give some examoples with coding.Urgent

Thanks

[seshatalpasai_madala]

Hi,

Changing and Tables paramters both act IMPORT and EXPORT parameters.

<b>That is you can use them to pass the data to the function module and also get the data from the function module.</b>

<b>Only difference</b> is TABLES parameters are always internal tables where as changing parameters can be Innternal tables or any data of any type.

Regards,

Sesh

[Former Member]

Thanks for your answer.

Please tell me how to use cahnging parameter.

In changing parameter one pass by value option is there.

Basically in which case we need to pass the variable in changing parameter.

How the cahnging parameter will work ....please gv an example.

THANKS

[former_member588853]

HI,

The changing parameter.

For example , if you are adding two fields and putting in third field.

Now you need to use third fields and find percentage and you need to get value in the same third field itself then you can take it as changing parameter..

Table parameter.

for example you have a mara internal table and you want to add deletion flag 'X' in delete column of same internal table.

for material 1 you need to add 'X' and material 2 you need to add space.

You can take this as table parameter.

rewards if useful,

regards,

nazeeer

[former_member189059]

Changing - values can be changed and changed values are returned to the caller

Tables - always changing, but data is two dimensional (ie: an internal table)

tables cannot be passed as import / export parameters

[Former Member]

hi

changing and tables are the keywords used for passing the values

to a FM.

tables : used for passing database tables as parameter.

changing : used for passing the values.

[Former Member]

Changing are used for variables which conatin value in both calling program and FM where as tables are used for internal tables it is also contain value which will be remain same in program and FM.

Rewards if useful...

Minal

[varma_narayana]

Hi..

Find the Exact purpose:

For Eg We want to Call a FM that takes the Matno , stock , Received qty then returns the Updated Stock.

Import: MatNo , ReceivedQty (These are only imported to the FM )

Changing : Stock (It is Imported as well as exported)

Tables: is also same as Changing i.e Imported as well as exported. But it is only meant for passing INTERNAL TABLES.

<b>reward if Helpful.</b>

[Former Member]

Thanks ofr ur answer,

Can u please tell me the use of exception parameter in the FM with example.

Thanks

[former_member189059]

If an error occurs in the program such as divide by 0, a non existing file etc, SAP would throw a dump to the calling program

however, if you define an exception and throw it in your FM, the calling program can catch that exception and handle it

To catch the exception, the program calling the function module can check sy-subrc

if there was an error, it will be set the the error number (as defined in the exceptions parameters)

else sy-subrc will be 0 in case of no errors