Re: Minor Comment updates

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Neil Conway <neilc(at)samurai(dot)com>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, pgsql-patches(at)postgresql(dot)org
Subject: Re: Minor Comment updates
Date: 2005-04-24 15:33:53
Message-ID: 4363.1114356833@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-patches

Neil Conway <neilc(at)samurai(dot)com> writes:
> Simon Riggs wrote:
>> These are the only two files in /executor that have old QUEL comments in
>> to describe their behaviour, AFAICS.

> Applied with some minor cleanups. Thanks for the patch.

I restored the one example Simon removed, as I think it's a useful
example:

*** 10,15 ****
--- 10,20 ----
*
* select 1 * 2
*
+ * insert into emp values ('mike', 15000)
+ *
+ * (Remember that in an INSERT or UPDATE, we need a plan tree that
+ * generates the new rows.)
+ *
* Result nodes are also used to optimise queries with constant
* qualifications (ie, quals that do not depend on the scanned data),
* such as:

regards, tom lane

In response to

Browse pgsql-patches by date

  From Date Subject
Next Message Tom Lane 2005-04-24 15:41:17 Re: Constant WAL replay
Previous Message Neil Conway 2005-04-24 11:47:19 Re: Minor Comment updates