Re: Backport "WITH ... AS MATERIALIZED" syntax to <12?

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.

I am afraid that new features don't gain a backpatch.  This is a
project policy.  Back-branches should just include bug fixes.
--
Michael