Re: [HACKERS] Optimizer cleanup to avoid redundant work on joins

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Optimizer cleanup to avoid redundant work on joins
Date: 2000-02-06 21:59:45
Message-ID: 200002062159.QAA06005@candle.pha.pa.us
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> We could still unify the RelOptInfos for different ways of making the
> same joinrel if we stored restrictinfo lists for joins in individual
> join paths, rather than in the RelOptInfo. I think that might be worth
> doing, but the change is looking larger and subtler than I thought.
> Probably best not to try to squeeze it in right before beta.
>
> I will set aside the code I already rewrote for this purpose, and come
> back to it after we start 7.1.

What happened to the time-honored tradition of jamming partially-tested
features in before the beta feature freeze. Are we getting too
conservative in our old age? :-)

--
Bruce Momjian | http://www.op.net/~candle
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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