Re: Horribly slow query/ sequential scan

Yes it does:

SET EXPLAIN ON;

It writes the file to sqexplain.out

-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org
[mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Tom Lane
Sent: Tuesday, January 09, 2007 9:13 AM
To: Gregory S. Williamson
Cc: db(at)zigo(dot)dhs(dot)org; pgsql-performance(at)postgresql(dot)org
Subject: Re: [PERFORM] Horribly slow query/ sequential scan

"Gregory S. Williamson" <gsw(at)globexplorer(dot)com> writes:
> HAving burdened others with my foolishness too often, I hesitate to
> ask, but could someone either point me to a reference or explain what
> the difference might be ... I can see it with the eyes but I am having
> trouble understanding what Informix might have been doing to my (bad
> ?) SQL to "fix" the query.

Me too. Does informix have anything EXPLAIN-like to show what it's
doing?

regards, tom lane

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