Re: [HACKERS] Re: subselects

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: vadim(at)sable(dot)krasnoyarsk(dot)su (Vadim B(dot) Mikheev)
Cc: hackers(at)postgreSQL(dot)org, lockhart(at)alumni(dot)caltech(dot)edu
Subject: Re: [HACKERS] Re: subselects
Date: 1998-01-15 23:18:31
Message-ID: 199801152318.SAA12920@candle.pha.pa.us
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>
> Bruce Momjian wrote:
> >
> > >
> > > Ok. I don't see how Query->subqueries could me help, but I foresee
> > > that Query->sublinks can do it. Could you add this ?
> >
> > OK, so instead of moving the query out of the SubLink structure, you
> > want the Query* in the Sublink structure, and a List* of SubLink
> > pointers in the query structure?
>
> Yes.
>
> >
> > Query
> > {
> > ...
> > List *sublink; /* list of pointers to Sublinks
> > ...
> > }
> >
> > I can do that. Let me know.
>
> Thanks!
>
> Are there any opened issues ?

OK, what do you need me to do. Do you want me to create the Sublink
support stuff, fill them in in the parser, and pass them through the
rewrite section and into the optimizer. I will prepare a list of
changes.

--
Bruce Momjian
maillist(at)candle(dot)pha(dot)pa(dot)us

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