>>>>> "Jim" == Jim Finnerty <jfinnert@amazon.com> writes:
Jim> The consequences of non-compliance is much more insidious than it
Jim> at first appears. At stake here is whether PostgreSQL supports
Jim> non-deferrable constraints at all. The purpose of having
Jim> non-deferrable IMMEDIATE constraints in the standard is to make
Jim> query optimizations possible.
Unfortunately the possibility of query optimizations for FKs is already
defeated by the issue of referential actions, where we also violate the
spec.
https://wiki.postgresql.org/wiki/PostgreSQL_vs_SQL_Standard#Trigger_firing_relative_to_referential_constraint_actions
(I just added your issue to that entry, which was already there to
discuss the referential actions vs BEFORE trigger timing.)
--
Andrew (irc:RhodiumToad)
