Re: 8.1 vs 8.2.1 view optimization

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Nathan Bell <nathanb(at)actarg(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: 8.1 vs 8.2.1 view optimization
Date: 2007-01-16 22:01:08
Message-ID: 26760.1168984868@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

Nathan Bell <nathanb(at)actarg(dot)com> writes:
> What if the item that is taking a long time isn't a function, but rather
> a sub-select?

The point is that the view won't be flattened if there are nonvolatile
functions in its SELECT list.

regards, tom lane

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Tom Lane 2007-01-16 22:03:12 Re: 8.1 vs 8.2.1 view optimization
Previous Message Nathan Bell 2007-01-16 21:55:08 Re: 8.1 vs 8.2.1 view optimization