lazy detoasting

From: Chapman Flack <chap(at)anastigmatix(dot)net>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: lazy detoasting
Date: 2018-04-01 05:04:37
Message-ID: 5AC06865.9050005@anastigmatix.net
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Hi,

If I copy an out-of-line, on-disk TOAST pointer into a memory context
with transaction lifetime, with an eye to detoasting it later in the
same transaction, are there circumstances where it wouldn't work?

Thanks,
-Chap

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