Re: [HACKERS] subselects coding started

> 
> Bruce Momjian wrote:
> 
> > OK, I have created the SubLink structure with supporting routines, and
> > have added code to create the SubLink structures in the parser, and have
> > added Query->hasSubLink.
> >
> > I changed gram.y to support:
> >
> >         (x,y,z) OP (subselect)
> >
> > where OP is any operator.  Is that right, or are we doing only certain
> > ones, and of so, do we limit it in the parser?
> 
> Seems like we would want to pass most operators and expressions through
> gram.y, and then call elog() in either the transformation or in the
> optimizer if it is an operator which can't be supported.
> 

That's what I thought.

-- 
Bruce Momjian
maillist@candle.pha.pa.us