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From: Laurenz Albe <[email protected]>
To: [email protected]
To: general pgsql <[email protected]>
Subject: Re: ERROR: stack depth limit exceeded
Date: Wed, 19 Feb 2025 12:22:02 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAONhAovOas_XLigiebcfL5_q9M2iCHwG5hkYQk0L0qh_8RoQEw@mail.gmail.com>
References: <CAONhAovOas_XLigiebcfL5_q9M2iCHwG5hkYQk0L0qh_8RoQEw@mail.gmail.com>

On Wed, 2025-02-19 at 11:23 +0100, Csányi Pál wrote:
> I am running postgresql 15 on Debian 12 operating system.
> I also installed PgAdmin4 and am using the desktop version of it.
> I have created a trigger function and a trigger which will run the
> following code, see below.
> Before this trigger would run, I tried this code.
> When running the code I get the following error message:
> ERROR: stack depth limit exceeded HINT: Increase the configuration
> parameter "max_stack_depth" (currently 2048kB), after ensuring the
> platform's stack depth limit is adequate.
> 
> Where am I making a mistake, and what can I do to make this code and
> this trigger run successfully?

You don't show the entire functoin and the trigger definition,
but from the symptoms it is pretty clear that the trigger is
modifying the table on which it is defined.  That will call the
trigger again and lead to an endless recursion, which leads to
the observed error.

Yours,
Laurenz Albe

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