Re: Add CREATE support to event triggers - Mailing list pgsql-hackers

Robert Haas escribió:
> On Wed, Jan 8, 2014 at 10:27 PM, Alvaro Herrera
> <alvherre@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/
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