From: | Vadim Mikheev <vadim(at)krs(dot)ru> |
---|---|
To: | Leon <leon(at)udmnet(dot)ru> |
Cc: | pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Fwd: Joins and links |
Date: | 1999-07-06 12:05:22 |
Message-ID: | 3781F102.2AB6F6F8@krs.ru |
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Lists: | pgsql-hackers |
Leon wrote:
>
> So. The main drawback is higher priority for VACUUM. Not
> too large, eh?
>
> When you will decide - to implement or not to implement,
We will not decide -:))
If someone want to implement it - welcome.
> I urge you to think again about the relief on optimizer,
> which I stressed many times. No one rebutted yet that adding
> brains to optimizer so that it can use appropriate join method
> will require major rewrite. With links you get the best join
> method as side effect - virtually for free. These joins
> will never be too slow for an unknown reason. Think carefully.
> I hope you will make wise decision.
Optimizer requires major rewrite in any case, even
having links implemented.
Vadim
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