Doubt regarding logical decoding

From: nilsocket <nilsocket(at)gmail(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Doubt regarding logical decoding
Date: 2019-08-28 12:16:03
Message-ID: CAGkTAxu8J6BGbdpSRuK8O1w=thCnZV5Q-_MEE1ddef==ryakJw@mail.gmail.com
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I'm pretty new to this, and I find it hard trying to make some sense from
src code.

I'm trying to understand, logical decoding.

In `HEAP2` RMGR,
what does HEAP2_NEW_CID operation do?

can somebody give an example, when this type of record is written to wal
files.

When logical decoding decodes this record, what it means to it.

Is it a transaction with sub-transactions, which does some ddl changes?

--
Thank you

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