On Tue, Jan 29, 2019 at 02:52:44PM -0500, Tom Lane wrote:
> Michael Paquier <michael@paquier.xyz> writes:
> > On Mon, Jan 28, 2019 at 05:05:32PM -0500, Tom Lane wrote:
> >> Yeah, I thought about that too, but it doesn't seem like an improvement.
> >> If the query is very long (which isn't unlikely) I think people would
> >> prefer to see the option(s) up front.
>
> > Having these options at the front of the WITH clause looks more
> > natural to me.
>
> Well, we've managed to get agreement on the semantics of this thing,
> let's not get hung up on the syntax details.
>
> I propose that we implement and document this as
>
> WITH ctename AS [ MATERIALIZE { ON | OFF } ] ( query )
I think this would be better with parentheses like this:
WITH ctename [ ( MATERIALIZE { ON | OFF } ) ] AS ( query ) [, ... ]
and it's a lot easier to add more query hints later.
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778
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