Re: SOLVED - RE: Poor performance using CTE - Mailing list pgsql-performance

From Peter Geoghegan
Subject Re: SOLVED - RE: Poor performance using CTE
Date
Msg-id CAEYLb_XLgrFBMM5Ce9ZBoa0K+NY1hpFXyvXeaf6yWbHOjn3-3g@mail.gmail.com
Whole thread Raw
In response to Re: SOLVED - RE: Poor performance using CTE  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: SOLVED - RE: Poor performance using CTE
Re: SOLVED - RE: Poor performance using CTE
List pgsql-performance
On 15 November 2012 01:46, Andrew Dunstan <andrew@dunslane.net> wrote:
> It cuts both ways. I have used CTEs a LOT precisely because this behaviour
> lets me get better plans. Without that I'll be back to using the "offset 0"
> hack.

Is the "OFFSET 0" hack really so bad? We've been telling people to do
that for years, so it's already something that we've effectively
committed to.

--
Peter Geoghegan       http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services


pgsql-performance by date:

Previous
From: Andrew Dunstan
Date:
Subject: Re: SOLVED - RE: Poor performance using CTE
Next
From: Bruce Momjian
Date:
Subject: Re: Thousands databases or schemas