Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1

From: Larry Rosenman <Larry(dot)Rosenman(at)pervasive(dot)com>
To: Michael Fuhr <mike(at)fuhr(dot)org>
Cc: Sebastian <buddhahead(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1
Date: 2005-12-29 21:15:01
Message-ID: E1Es56z-0005n7-Am@lerami.lerctr.org
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On Dec 29 2005, Michael Fuhr wrote:

> On Thu, Dec 29, 2005 at 12:12:52PM -0800, Sebastian wrote:
> > I've waited 10 minutes before cancelling. On pg8 it runs in less than
> > a second
>
> How many columns in the table? In 8.1.1 I'm seeing a nearly
> exponential increase in time with each extra column, at least up
> to about five columns; with more columns the time continues to
> increase although not as sharply. I don't see such an increase in
> 8.0.5. Querying the views individually doesn't take long; I wonder
> if the planner is doing something wrong with the join operation.
>
>
For clarification, I'm the 4.11-FreeBSD guy refered to above, and with a
very simple table, it comes right back with NO results, but I may not have
what it's looking for in the table definition.

I **DO** get the explain failure, which seems, to me, to be a bug. :(

LER

--
Larry Rosenman, Database Support Engineer, E-Mail:
Larry(dot)Rosenman(at)pervasive(dot)com Pervasive Software, 12365B Riata Trace
Parkway, Austin, TX 78727 Office: 512-231-6173

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