Why the funtion RV_TEXT_COPY is called during billing

Hi everyone

I'm working on a performance issue for cases with close to 10.000 services. The result of the traces show a repetitive select to the table STXH.

I'm trying to find out why the function RV_TEXT_COPY is called in form FAKTURAPOSI_FALLBEZOGEN, include LN60AN29 for each service.

That function does a read to table STXH in the fuction SELECT_TEXT

          select * from stxh client specified into table stxh_buffer

            where mandt  in r_client

            and tdobject in r_object

            and tdname   in r_name

            and tdid     in r_id

            and tdspras  in r_language.

That table only have entries for truly SD documents, not for the ones created for IS-H, that's why it returns NO values.

It's there any way to avoid the call to RV_TEXT_COPY? What are the consecuences if I create an enhancement that exits the function only when is called from an IS-H transaction?

With best regards

Matías