Feedback-ID: i76984098:Fastmail
Message-ID: <b571007a-fb84-4c6c-a86a-307d47798b7e@aklaver.com>
Date: Sat, 27 Dec 2025 08:13:30 -0800
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: plpgsql: remove a field from a record?
To: Ray O'Donnell <ray@rodonnell.ie>,
 pgsql-general <pgsql-general@postgresql.org>
References: <0102019b608b1887-d8e9137f-46a7-4796-9f43-0addbab3c645-000000@eu-west-1.amazonses.com>
Content-Language: en-US
From: Adrian Klaver <adrian.klaver@aklaver.com>
In-Reply-To: <0102019b608b1887-d8e9137f-46a7-4796-9f43-0addbab3c645-000000@eu-west-1.amazonses.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Archived-At: <https://www.postgresql.org/message-id/b571007a-fb84-4c6c-a86a-307d47798b7e%40aklaver.com>
Precedence: bulk

On 12/27/25 08:01, Ray O'Donnell wrote:
> Hi all,
> 
> In a plpgsql function, is it possible to remove a field from a RECORD 
> value?
> 
> My specific use-case is that I have a row returned from a MERGE 
> operation into a variable, declared as type RECORD, which will then be 
> logged; and I want to remove some potentially sensitive stuff from it 
> before it gets logged.
> 
> I could manually redact the sensitive items (e.g. set them to null); but 
> it'd be tidier just to remove them altogether if I can.

A record 'type' supports record_name.field_name notation. Not sure how 
many fields you want to log, but you could log only the non-sensitive 
fields explicitly e.g. record_name.fld1, record_name.fld3, 
record_name.fld4, etc.

> 
> Thanks in advance,
> 
> Ray.
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com