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From: Scott Ribe <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: update behavior
Date: Thu, 19 Jun 2025 11:23:58 -0600
Message-ID: <[email protected]> (raw)

I believe that if I UPDATE a row with the same values that it already has, this still dirties pages, writes the row, generates a WAL entry. There is no shortcut in the processing that's "hey, there's not really a change here, we'll just leave storage alone".

Is this correct?

--
Scott Ribe
[email protected]
https://www.linkedin.com/in/scottribe/

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