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help / color / mirror / Atom feedFrom: Robert Haas <[email protected]>
To: Tom Lane <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Justin Pryzby <[email protected]>
Cc: Kyotaro Horiguchi <[email protected]>
Cc: Erik Rijkers <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: TRAP: FailedAssertion("HaveRegisteredOrActiveSnapshot()", File: "toast_internals.c", Line: 670, PID: 19403)
Date: Tue, 19 Apr 2022 07:39:57 -0400
Message-ID: <CA+TgmoaFp_C_A04FPqEOn4OL1TWbrRA0TPTDv7LL4HTbY0i+FQ@mail.gmail.com> (raw)
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On Mon, Apr 18, 2022 at 4:07 PM Tom Lane <[email protected]> wrote:
> There may be some corner cases that aren't described by any of these
> three blanket scenarios, but they've got to be pretty few and far
> between.
My first thought whenever anything like this comes up is cursors,
especially but not only holdable cursors. Also, plpgsql variables,
maybe mixed with embedded COMMIT/ROLLBACK. I don't find it
particularly hard to believe we have some bugs in
insufficiently-well-considered parts of the system that pass around
datums outside of the normal executor flow, but I don't know exactly
how to find them all, either.
--
Robert Haas
EDB: http://www.enterprisedb.com
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Subject: Re: TRAP: FailedAssertion("HaveRegisteredOrActiveSnapshot()", File: "toast_internals.c", Line: 670, PID: 19403)
In-Reply-To: <CA+TgmoaFp_C_A04FPqEOn4OL1TWbrRA0TPTDv7LL4HTbY0i+FQ@mail.gmail.com>
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