01.04.2014 20:38, Dimitry Sibiryakov wrote: > > Reading code, I see that in some cases DPM_get()+VIO_data() is used to get > record data > and in some other cases DPM_fetch()+VIO_data() is used for the same purpose. > But I cannot > understand what is the difference between these cases. I see that DPM_get() > uses pointer > page while DPM_get() doesn't, but don't understand why... Do they have > different types of > rpb_number in input or what?..
DPM_get() fetches the first (primary / most recent) record version in the chain, the retrieval is based on rpb_number and thus performed via a pointer page. DPM_fetch() fetches the particular record version based on the priorly determined page number / slot pair. Dmitry ------------------------------------------------------------------------------ Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
