How to flag a func. module in Func. Library as executable in Update Task?

How to flag a func. module in Func. Library as executable in Update Task? I am getting a program termination error. The foollowing is the error analysis.
Error analysis
The function module "ZHEM" was called with the addition "... IN UPDATE TASK".
However, it is not flagged in the Function Library as executable in the update task.

Hi!
Go to SE37, tab attributes, area processing type, choose radio button update module and desired type (V1, V1 no restart, V2, V3).
Regards,
Christian

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Hi Folks,
My client wants me to create a function module with Update Task Capability.
Can you please know what is this and how to use this? I am completely new to this Update Task part. So please guide me accordingly.
Thanks in advance,
Siddarth

Hi Sir,
Please have a look below to understand update task capability of FM.
Plz do reward if useful
Thankx.
Why do we use this " In Update Task " ??
The main update technique for bundling database changes in a single database LUW is to use CALL FUNCTION... IN UPDATE TASK.
How do we Use ??
A typical R/3 installation contains dialog work processes and at least one update work process. The update work processes are responsible for updating the database. When an ABAP program reaches a COMMIT WORK statement, any function modules from CALL FUNCTION... IN UPDATE TASK statements are released for processing in an update work process. The dialog process does not wait for the update to finish. This kind of update is called asynchronous update.
What is the Use... ??
Asynchronous update is useful when response time from the transaction is critical, and the database updates themselves are so complex that they justify the extra system load
Real time scenario.
Suppose a user wants to change an entry in a database table, or add a new one. He or she enters the necessary data, and then starts the update process by choosing Save. This starts the following procedure in the ABAP program:
Firstly, the program locks the database entry against other users, using the enqueue work process (or the message server in the case of a distributed system). This generates an entry in the lock table. The user is informed whether the update was successful, or whether the lock could not be set because of other users.
If the lock is set, the program reads the entry that is to be changed and modifies it. If the user has created a new entry, the program checks whether a record with the same key values already exists.
In the current dialog work process, the program calls a function module using CALL FUNCTION... IN UPDATE TASK, and this writes the change details as an entry in table VBLOG.
When the program is finished (maybe after further dialog steps), a COMMIT WORK statement starts the final part of the SAP LUW. The work process that is processing the current dialog step starts an update work process.
Based on the information passed to it from the dialog work process, the update work process reads the log entries belonging to the SAP LUW from table VBLOG.
The update work process passes this data to the database for updating, and analyzes the return message from the database. If the update was successful, the update work process triggers a database commit after the last database change and deletes the log entries from table VBLOG.
If an error occurred, the update work process triggers a database rollback, leaves the log entries in table VBLOG, flags them as containing errors, and sends a SAPoffice message to the user, who should then inform the system administrator.
The corresponding entries in the lock table are reset by the update work process.
The system logs your request and executes the function module when the next COMMIT WORK statement is reached. The parameter values used to execute the function module are those current at the time of the call.
a = 1.
CALL FUNCTION 'UPD_FM' IN UPDATE TASK EXPORTING PAR = A...
a = 2.
CALL FUNCTION 'UPD_FM' IN UPDATE TASK EXPORTING PAR = A...
a = 3.
COMMIT WORK.
Here, the function module UPD_FM is performed twice in the update task: the first time, with value 1 in PAR, the second time with value 2 in PAR.
Check the SAP Help :
http://help.sap.com/saphelp_nw04s/helpdata/en/41/7af4bfa79e11d1950f0000e82de14a/frameset.htm

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Function modules that run in update task can not return any values because your program has no longer control over the function module (the update task has).
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a®

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Hi Thomas,
Please find the below mentioned piece of code :
call function 'Z_ZE0EDISTAT_UPDATE' in update task
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       EXCEPTIONS
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In this case whatever changes which will be done to the table 'ZE0EDISTAT' inside the FM 'Z_ZE0EDISTAT_UPDATE' will ONLY be reflected in the database table ZE0EDISTAT' when COMMIT WORK and WAIT statement is encountered. Else updates won't be visible. Hope it will clear some doubt of yours.
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What is the difference between
1.If a function module contains in attributes 'Update mode ' and run( without 'update task - keyword).
2.call function ' fun2' in update task.
In this case, do we need to set the attributes must be 'Update task'?
Please help me.
Thanks in advance
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From F1 Help...
<i>
This statement registers the update function module specified in update_function. update_function must be a character-type field, which during execution of the statement contains the name of an update function module in uppercase letters.
<b>An update function module is a function module, for which in the Function Builder the property update module is marked. The registration of an update function module is an essential part of the update task.</b>
The function module is not executed immediately, but is scheduled for execution in a special work process (update work process). For this purpose, the name of the function module including the passed actual parameters is stored as a log record in the database table VBLOG. If the statement is executed during the update task, the addition IN UPDATE TASK is ignored.
</i>
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report abc.
TYPE-POOLS : slis.
Data
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2. What is a BADI and in which circumtanse we use it? How can I view a BADI example?
3. What is a WorkFlow and in which circumtanse we use it? How can I view an WorkFlow example?
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1.
All BAPIs are function modules, but they have been enhanced by using object oriented design. BAPIs are designed based around Business objects (in the business object repository SWO1/SWO2). They are created to fill a business need and are a good way of exposing SAP functionality to third party systems. They can be viewed through transaction BAPI. BAPIs are also generally all RFC enabled, whereas not all function modules are.
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check this link too.
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In contrast to customer exits, Business Add-Ins no longer assume a two-level infrastructure (SAP and customer solutions), but instead allow for a multi-level system landscape (SAP, partner, and customer solutions, as well as country versions, industry solutions, and the like). Definitions and implementations of Business Add-Ins can be created at each level within such a system infrastructure.
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http://www.sapgenie.com/phpLinks/index.php?PHPSESSID=45016ad4a8b3e6005f53a04a83b79782&PID=62&PHPSESSID=45016ad4a8b3e6005f53a04a83b79782
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How to flag a func. module in Func. Library as executable in Update Task?

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