Robert Haas escribió:
> On Wed, Jan 8, 2014 at 10:27 PM, Alvaro Herrera
> <alvhe...@2ndquadrant.com> wrote:
> > Hmm. This seems like a reasonable thing to do, except that I would like
> > the "output" to always be the constant, and have some other way to
> > enable the clause or disable it. With your "present" boolean:
> > so
> >
> > "if_not_exists": {"output": "IF NOT EXISTS",
> > "present": true/false}
>
> Why not:
>
> "if_not_exists": true/false
Yeah, that's another option. If we do this, though, the expansion
function would have to know that an "if_not_exist" element expands to IF
NOT EXISTS. Maybe that's okay. Right now, the expansion function is
pretty stupid, which is nice.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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