>>>>> "Michael" == Michael Paquier <michael@paquier.xyz> writes:
> On Fri, Oct 18, 2019 at 02:21:30PM +0100, Colin Watson wrote:
>> However, an alternative would be to backport the new syntax to some
>> earlier versions. "WITH ... AS MATERIALIZED" can easily just be
>> synonymous with "WITH ... AS" in versions prior to 12; there's no
>> need to support "NOT MATERIALIZED" since that's explicitly
>> requesting the new query-folding feature that only exists in 12.
>> Would something like the attached patch against REL_11_STABLE be
>> acceptable? I'd like to backpatch it at least as far as PostgreSQL
>> 10.
Michael> I am afraid that new features don't gain a backpatch. This is
Michael> a project policy. Back-branches should just include bug fixes.
I do think an argument can be made for making an exception in this
particular case. This wouldn't be backpatching a feature, just accepting
and ignoring some of the new syntax to make upgrading easier.
--
Andrew (irc:RhodiumToad)