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From: Álvaro Herrera <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Ayush Tiwari <[email protected]>
Cc: Sami Imseih <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Andres Freund <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Subject: Re: BUG #19520: PANIC when concurrently manipulating stored procedures with pg_stat_statements and track_functions =
Date: Sat, 20 Jun 2026 18:58:27 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 2026-Jun-20, Michael Paquier wrote:

> If you feel strongly about it, we could just do something like the
> attached in the v15-v18 range.  This introduces a new routine called
> pgstat_drop_entry_ext() that gains the new argument "missing_ok", and
> pgstat_drop_entry() would be an ABI-compatible wrapper calling it.
> 
> What do you think?

Yeah, this sounds more or less reasonable.  The callers that pass
missing_ok=false could still use the original function name though, no?

(Personally I would do for an ABI compatibility in back branches with
this new function, and an API breakage in master by simply adding the
new argument everywhere, but keeping the old function name.  This way we
don't preserve unnecessary API ugliness forever.)

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"¿Qué importan los años?  Lo que realmente importa es comprobar que
a fin de cuentas la mejor edad de la vida es estar vivo"  (Mafalda)

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