Re: [HACKERS] Bushy Plans fixed

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От Bruce Momjian
Тема Re: [HACKERS] Bushy Plans fixed
Дата
Msg-id 199902180336.WAA14073@candle.pha.pa.us
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Ответ на Re: [HACKERS] Bushy Plans fixed  (Vadim Mikheev <vadim@krs.ru>)
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> > Frankly, I would like to enable bushy plans and right-handed plans by
> > default.  The optimizer is now fast enough that a 9-table join is almost
> > instantaneous, even with bush plans.  People are not sophisticated
> > enough to know when to enables these options themselves. I am not sure I
> > am either.  I would like to enables both, fix whatever breaks, and
> > programmatically enable the options when they make sense.
> 
> We need not in right-sided plans code any more. 
> I agreed that we should enable bushes by default.

Are you saying right-hand plans are not useful if we have bushy plans?
If so, I will remove the right-hand code.

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
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