čt 21. 11. 2019 v 20:44 odesílatel Tom Lane <tgl@sss.pgh.pa.us> napsal:
Pavel Stehule <pavel.stehule@gmail.com> writes: > čt 21. 11. 2019 v 10:31 odesílatel Konstantin Knizhnik < > k.knizhnik@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.