Re: WITH NOT MATERIALIZED and DML CTEs

On Mon, Jun 03, 2019 at 07:33:35PM -0400, Tom Lane wrote:
> David Fetter <david@fetter.org> writes:
> > It might be worth documenting the fact that NOT MATERIALIZED doesn't
> > affect DML CTEs, just as it doesn't affect statements with volatile
> > functions and recursive CTEs.
> 
> We already do:
> 
>     However, if a WITH query is non-recursive and side-effect-free (that
>     is, it is a SELECT containing no volatile functions) then it can be

I guess this part makes it pretty clear that DML isn't part of the
party just yet.

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

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