Re: Seqscan - Mailing list pgsql-performance

From Jeff Davis
Subject Re: Seqscan
Date
Msg-id 1193107511.26301.59.camel@jdavis
Whole thread Raw
In response to Seqscan  (Adrian Demaestri <ademaestri@yahoo.com>)
Responses Re: Seqscan
List pgsql-performance
On Mon, 2007-10-22 at 19:24 -0700, Adrian Demaestri wrote:
> Hi,
> I think planner should use other plans than seqscan to solve querys
> like select * from hugetable limit 1, especially when the talbe is
> very large. Is it solved in newer versions or is there some open
> issues about it?.
> thanks
> I'm working with postgres 8.0.1,

For the query in question, what would be faster than a seqscan? It
doesn't read the whole table, it only reads until it satisfies the limit
clause.

Regards,
    Jeff Davis


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