public inbox for [email protected]  

help / color / mirror / Atom feed

From: Pavel Stehule <[email protected]>
To: Josh Kupershmidt <[email protected]>
Cc: pgsql-docs <[email protected]>
Subject: Re: [BUGS] documentation bug - behave of NEW a OLD in plpgsql's triggers
Date: Fri, 6 May 2011 04:31:35 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

Hello

2011/5/6 Josh Kupershmidt <[email protected]>:
> [Moving to -docs]
>
> On Mon, May 2, 2011 at 12:00 PM, Pavel Stehule <[email protected]> wrote:
>> Hello
>>
>> one czech user reported a bug in documentation -
>> http://www.postgresql.org/docs/8.4/static/plpgsql-trigger.html
>>
>> NEW
>>
>>    Data type RECORD; variable holding the new database row for
>> INSERT/UPDATE operations in row-level triggers. This variable is NULL
>> in statement-level triggers and for DELETE operations.
>> OLD
>>
>>    Data type RECORD; variable holding the old database row for
>> UPDATE/DELETE operations in row-level triggers. This variable is NULL
>> in statement-level triggers and for INSERT operations.
>>
>> It isn't correct. NEW is not declared in DELETE trigger, OLD isn't
>> declared in INSERT
>
> If I've understood you correctly, the problem is that the docs claim
> that the variables are defined with a value of NULL, when in fact they
> are undefined. For example, if you try to use variable NEW in a delete
> trigger, you'll get an error message like:
> |  ERROR:  record "new" is not assigned yet
> |  DETAIL:  The tuple structure of a not-yet-assigned record is indeterminate.
>
> How about a doc tweak like the attached?

it is correct

Regards

Pavel Stehule

>
> Josh
>

view thread (11+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: [BUGS] documentation bug - behave of NEW a OLD in plpgsql's triggers
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox