On Tue, 2006-02-14 at 15:38 -0500, Tom Lane wrote:
> Neil Conway <neilc@samurai.com> writes:
> > The implementation is pretty ugly -- it clutters ExecuteStmt and Query
> > with fields that really do not belong there. Per previous discussion, I
> > think it would be better to refactor the CREATE TABLE AS implementation
> > to be essentially a CREATE TABLE followed by a INSERT ... SELECT.
>
> I kinda wonder why bother at all. I don't see any good reason why
> people shouldn't issue two statements.
The good reason is that CREATE plus INSERT SELECT is extremely bug prone
and very annoying to have to code SQL that way. CTAS is sent from on
high, IMHO, even without the performance optimisation.
Best Regards, Simon Riggs