Can i use wildcards in function module .

Hi All,
I am using 3 input parameter in my function module .Can i use wildcards for one of the parameter .If so please kindly let me know the procedure.if u give sample code it will be great.
Thanks,
Veera

Hey Wayne....that helped alot. I simplified the formula a bit for this question but your answer led be to my answer. I plugged in the "isblank" function into my formula to get the state of the cell.
For general reference, this is my final formula:
=IF((ISBLANK(S2)),F2−E2,0)
It's saying "if S2 is empty then run the formula "F2-E2" else (if S2 is not empty) then print "0".
Thanks again.
Update: based on the answers, here is another way to sove my probem:
=IF(D2="",F2−E2,0)
If "D2" is blank then run "F2-E2" or else show 0.

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How to make use of SE37- Function Module & how to find out the table?

Hi ,
1.Could anyone help me what's this SE37-Function module is all about,How to make use of this?
For Eg,If i want to delete a BOM permanently from the system then I have to use the Function module CM_DB_DEL_FROM_ROOT_BOM.
But after giving the particular name what should i do?
Please help me.
2.How to find out the respective table for a particular field sya for T code-COGI, T code MFBF,where its values are getting populated.,Please help in this issue.
Thanks in adavnce for spending some time
Raj.S

Hi Raj
Function Modules
Function modules are procedures that are defined in special ABAP programs only, so-called function groups, but can be called from all ABAP programs. Function groups act as containers for function modules that logically belong together. You create function groups and function modules in the ABAP Workbench using the Function Builder.
Function modules allow you to encapsulate and reuse global functions in the SAP System. They are managed in a central function library. The SAP System contains several predefined functions modules that can be called from any ABAP program. Function modules also play an important role during updating and in interaction between different SAP systems, or between SAP systems and remote systems through remote communications.
Unlike subroutines, you do not define function modules in the source code of your program. Instead, you use the Function Builder. The actual ABAP interface definition remains hidden from the programmer. You can define the input parameters of a function module as optional. You can also assign default values to them. Function modules also support exception handling. This allows you to catch certain errors while the function module is running. You can test function modules without having to include them in a program using the Function Builder.
The Function Builder also has a release process for function modules. This ensures that incompatible changes cannot be made to any function modules that have already been released. This applies particularly to the interface. Programs that use a released function module will not cease to work if the function module is changed.
Check this link
http://help.sap.com/saphelp_nw2004s/helpdata/en/9f/db988735c111d1829f0000e829fbfe/content.htm
You can execute function module in SE37ie you can perform the activiites defined in the function module by executing it.
By deleting BOM you mention the FM name in se37 and execute. In some function module it will ask input parameters as developed in the program , you have to give the input parameters and execute.

Is it necessary to use the standard function modules always?

Hi All,
Suppose i can retrieve the BUSINEES PARTNER ID from the table BUT000 with the help of 'BP_GUID' field through a select query statement.
Now is it necessary to use a standard function module to retrieve the same data. what about the performance? which is the better solution. to implement our own code or to use the function module available.
Please someone clarify me about this issue.
Regards,
Sharry.

If you'd ask the question in general it's obvious that there is no good answer as it always would depend on the circumstance. However, as you've posted your question in the performance tuning forum, let's look at your question in this context first. I think it's fairly safe to say, that in almost 100% of the cases a standard function module will not be as fast as any well implemented and custom tailored code. If in doubt, just try reading the code of the function module you want to read; most likely you will find lots of unnecessary fluff in there, often they read data that you don't even need.
And as far as buffering is concerned, that can also be an issue. E.g. let's say you do a massive read of distinct business partners and you only need the data once for each partner. Obviously buffering is silly in this case and it might even slow down your program, because the implemented buffering is not necessarily well implemented. I've come across a few cases, where the buffer tables where standard tables with no efficient read access (so no sorted table or hash table) and once tons of data were buffered, it actually took a moment to look up if the record already was buffered (just to find it wasn't there yet).
Now most of the times this slowdown is not an issue as the lookup is still fast compared to the (usually) prevalent database accesses with their slower IO timing. But another factor to consider is memory consumption and why buffer data in memory (and waste it), if you can't use the buffer anyway? So when I do use standard function modules, I usually try to see what they retain in global memory, to better understand if I need to call some initialization/clearing/refresh function...
Note also that often you need to process lots of data, but don't find a standard function module for "mass access", so you need to read your object one by one. Obviously that's another good candidate for implementing your own queries, where you can process the data in packages.
So what might be the reason to use a standard function module? Well, often it's required because the logic is so complex that it would take you too much time to implement it (not to mention that we often simply don't know all the logic that's coded in there). Another advantage is that you might get independent of the data model. E.g. for IDoc interfaces SAP switched in some release the tables where the data is stored. So if you had coded your own queries to get IDoc data, they wouldn't have worked after this particular release upgrade. The standard function on the other hand, checks both the old and new tables, so by using it you would have been fine.
The one major caveat I'd give though is to always check whether the function module is released or at least documented to some degree. I.e. if it's not released, SAP won't support it and does not guarantee that the interface or logic stays the same. In my experience lots of functions I do want to use are not released (or documented), but I will still use them because they seem to be the best alternative in certain scenarios.
Cheers, harald

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hi,
can anyone explain the use of this function module, i coudn't find any documentation .
This function module prints the data selected in selection screen.. but i want a breif explanation y we use this and wat for is this....
FM_SELECTION_CRITERIA_PRINT

Hi,
1. Suppose the requirement is to know the parameters/select-options selected on the selection screen, on the list output (report).
Because once we are on the report output , we wouldnt know the selection parameters made. The only way is to go back & check. Instead of going back we can use this FM to know even when we are on the o/p.
2. Also to take a print of both the report output& selection parameters.
Reward if useful.
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Many Thanks!
rajatina.

Hi Dear,
It is good to write the code in your function module i.e. ZBI_FM_EX. becuase writing the code in ZXRSAU01 include program will affect the loading performance. instead of looping the data two time (one in your FM and again in ZXRSAU01 ), you can get the same will only loop.
Thanks
Obaid
Edited by: obaid shaikh on Jan 21, 2011 11:53 AM

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Hi , experts ,
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> no_permission = 1
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Yes, I got the Answer -
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""Local Interface:
*" EXPORTING
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Can i use wildcards in function module .

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