On Mon, Mar 25, 2024 at 7:12 PM Jacob Champion < jacob.champ...@enterprisedb.com> wrote:
> On Mon, Mar 25, 2024 at 4:02 PM Andrew Dunstan <and...@dunslane.net> > wrote: > > Well, what's the alternative? The current parser doesn't check stack > depth in frontend code. Presumably it too will eventually just run out of > memory, possibly rather sooner as the stack frames could be more expensive > than the incremental parser stack extensions. > > Stack size should be pretty limited, at least on the platforms I'm > familiar with. So yeah, the recursive descent will segfault pretty > quickly, but it won't repalloc() an unbounded amount of heap space. > The alternative would just be to go back to a hardcoded limit in the > short term, I think. > > > OK, so we invent a new error code and have the parser return that if the stack depth gets too big? cheers andrew
