| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
| Cc: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>, MindTerm <mindterm(at)yahoo(dot)com>, pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: performance tuning in large function / transaction |
| Date: | 2001-12-17 05:39:27 |
| Message-ID: | 200112170539.fBH5dR606887@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
> > As a note, does rewriting the queries in the function
> > to use exists rather than in help any?
>
> Is it true that the IN command is implemented sort of as a linked list
> linear time search? Is there any plan for a super-fast implementation of
> 'IN'?
I keep asking for it and am told it is hard to do.
--
Bruce Momjian | http://candle.pha.pa.us
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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