On Mon, Oct 21, 2019 at 12:53:27AM -0400, Tom Lane wrote:
> Oh --- looking closer, proc_exit itself will clear error_context_stack
> before doing much. So a problem would only occur if we suffered an error
> during EmitErrorReport, which seems somewhat unlikely. Still, it's bad
> that this code isn't like all the others. There's certainly no downside
> to clearing the pointer.
Good point about index predicates/expressions. There is the elog()
hook as well in the area, and it's hard to predict how people use
that. So applied and back-patched down 9.4.
--
Michael