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help / color / mirror / Atom feedFrom: David G. Johnston <david.g.johnston@gmail.com>
To: Subramanian,Ramachandran <ramachandran.subramanian@alte-leipziger.de>
Cc: pgsql-novice@lists.postgresql.org <pgsql-novice@lists.postgresql.org>
Subject: Re: Trying to understand Tuple Header
Date: Sun, 3 May 2026 12:02:49 -0700
Message-ID: <CAKFQuwawOYYR=Dfa3tWsKOd-baJ-hV7SKMj9FHiMnd9f-=vNAg@mail.gmail.com> (raw)
In-Reply-To: <0f8e5544ae8a412bb637fcc3d15f8aaa@alte-leipziger.de>
References: <0f8e5544ae8a412bb637fcc3d15f8aaa@alte-leipziger.de>
On Sunday, May 3, 2026, Subramanian,Ramachandran <
ramachandran.subramanian@alte-leipziger.de> wrote:
> How does postgres know that this 4th tuple has been rolled back ? Please
> help me learn that.
>
>
The pg_xact file holds information pertaining to whether a transaction
produced live or dead tuples upon ending.
David J.
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To: pgsql-novice@postgresql.org
Cc: david.g.johnston@gmail.com, ramachandran.subramanian@alte-leipziger.de, pgsql-novice@lists.postgresql.org
Subject: Re: Trying to understand Tuple Header
In-Reply-To: <CAKFQuwawOYYR=Dfa3tWsKOd-baJ-hV7SKMj9FHiMnd9f-=vNAg@mail.gmail.com>
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