On 2020-10-12 18:00, Tom Lane wrote:
> Would someone explain to me why assign_recovery_target_lsn and related GUC
> assign hooks throw errors, rather than doing so in the associated check
> hooks? An assign hook is not supposed to throw an error. Full stop, no
> exceptions. We wouldn't bother to separate those hooks otherwise.
That code is checking whether more than one recovery target GUC has been
set. I don't think the check hook sees the right state to be able to
check that.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
