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From: Tom Lane <tgl@sss.pgh.pa.us>
To: benj.dev@laposte.net
Cc: pgsql-docs@lists.postgresql.org
Subject: Re: HeapTupleHeaderData Layout description
Date: Fri, 22 Jan 2021 11:49:12 -0500
Message-ID: <1165901.1611334152@sss.pgh.pa.us> (raw)
In-Reply-To: <658235472.1027001.1611323445204@wlpnf0217>
References: <658235472.1027001.1611323445204@wlpnf0217>

benj.dev@laposte.net writes:
> In https://www.postgresql.org/docs/13/storage-page-layout.html<br;
> we can find on ยง 68.6.1. Table Row Layout<br>
> the Table 68.4. HeapTupleHeaderData Layout<br>
> <br>
> When additionning Length of differents Fields taht are present we obtain&nbsp; atotal of<br>
> 4+4+4+4+6+2+2+1 = 27<br>

I think you missed the point that t_cid overlays with t_xvac.

			regards, tom lane





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