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Re: Trying to understand Tuple Header - Mailing list pgsql-novice

From David G. Johnston
Subject Re: Trying to understand Tuple Header
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Msg-id CAKFQuwawOYYR=Dfa3tWsKOd-baJ-hV7SKMj9FHiMnd9f-=vNAg@mail.gmail.com
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In response to Trying to understand Tuple Header  ("Subramanian,Ramachandran" <ramachandran.subramanian@alte-leipziger.de>)
Responses AW: Trying to understand Tuple Header
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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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