čt 21. 11. 2019 v 20:44 odesílatel Tom Lane <t...@sss.pgh.pa.us> napsal:
> Pavel Stehule <pavel.steh...@gmail.com> writes: > > čt 21. 11. 2019 v 10:31 odesílatel Konstantin Knizhnik < > > k.knizh...@postgrespro.ru> napsal: > >> With contain_mutable_functions the patch becomes trivial. > > > Stable functions doesn't need own snapshot too, so it is not fully > correct, > > but it is on safe side. > > No, I doubt that. A stable function is allowed to inspect database state, > and if it's being called by a volatile function, it has every right to > expect that it'd see updates-so-far made by the volatile function. > for this I need new snapshot? > regards, tom lane >
