Re: GENERATED STORED columns and table rewrites?

From: Michael Lewis <mlewis(at)entrata(dot)com>
To: Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com>
Cc: "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: GENERATED STORED columns and table rewrites?
Date: 2020-04-15 20:44:55
Message-ID: CAHOFxGqUWCYuv-_C5CNBTVRgDq7LskVHPBOd1iv-5ZSW5A6UOg@mail.gmail.com
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Yes, the system will do a full table rewrite to compute the value and store
it. Unfortunately, I believe it is an access exclusive lock during that
entire time.

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