Why we cannot commit inside BAPI and what if we call workflow inside BAPI?

hi,
can anyone tell me why we cannot use Commit statement inside BAPI ?
Also what if in my BAPI ,i have triggered my workflow and through that can i commit??
Regards,
Mayank

Hi,
it is a part of the BAPI programming model that BAPIs use a certain transaction model. This transaction model says that one BAPI has to follow the so called ACID (atomar, consistent, isolated, durable) principle. To ensure that a BAPI is atomar you cannot put a commit work just anywhere in mid of a BAPI as this would violate the modell. Furthermore BAPIs shall allow external commit handling that means it has to be possible to include several BAPI calls in one LUW. For this there are BAPIs which are only for committing or rolling back a transaction. For more detailed information you can check as usual the SAP help [click me|http://help.sap.com/saphelp_nw04/helpdata/EN/a5/3ec8654ac011d1894e0000e829fbbd/frameset.htm]
If would suppose that when you throw a workflow event it is triggered once the LUW is closed. At least SAP should work that way. But I have to admit in newer ABAP OO developments SAP often just calls the Event raising function module with the option to not wait for the DB commit. Seems there are some problems with the newer LUW concepts / OO and the old workflow technology. This can lead in worst case to events raised for objects which were rolled back later but SAP seems to accept that so it is in my oppinion an acceptable solution.
Hope that helps a bit
Roman

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Why we cannot commit inside BAPI and what if we call workflow inside BAPI?

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