st 7. 8. 2019 v 17:39 odesÃlatel Tom Lane <t...@sss.pgh.pa.us> napsal:
> Pavel Stehule <pavel.steh...@gmail.com> writes: > > I should to use a cache accessed via fn_extra. There will be stored data > > about function parameters (types). If I understand correctly, these data > > should be stable in query, and then recheck is not necessary. Is it true? > > I wouldn't trust that. You don't really know what the lifespan of > a fn_extra cache is. > fn_extra cache cannot be longer than query. And if I understand well, then is not possible to change parameter types inside query? Pavel > regards, tom lane >
