From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | vadim(at)krs(dot)ru (Vadim Mikheev) |
Cc: | hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Bushy Plans fixed |
Date: | 1999-02-18 05:10:16 |
Message-ID: | 199902180510.AAA17171@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> Bruce Momjian wrote:
> >
> > >
> > > I mean that bushes should be able to produce right-sided plans.
> > > So - remove right-sided coded.
> >
> > The bushy code joined joined relations, not base relations. Currently,
> > base relations are always inner without right-hand plans. See
> > make_rels_by_clause_joins() and let me know what needs to be changed, or
> > feel free to modify it yourself. I will check your modifications.
>
> No time -:(
> So, leave right-sided plans as is and enable them and bashes
> by default.
I have removed right-sided plans in the bushy case, because the joins
will happen on their own when it processes the other joined rel.
In the joined rel/base rel join case, the code is not going to
auto-handle this, is it, without right-handed plans?
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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