Re: Return value of XLogInsertRecord() for XLOG_SWITCH record

From: ZizhuanLiu X-MAN <44973863(at)qq(dot)com>
To: ZizhuanLiu X-MAN <44973863(at)qq(dot)com>, rring0727 <rring0727(at)gmail(dot)com>, cca5507 <cca5507(at)qq(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Return value of XLogInsertRecord() for XLOG_SWITCH record
Date: 2026-06-15 01:17:20
Message-ID: tencent_9284DC37B02538354C63127C731B256DC006@qq.com
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I am so sorry. rebase v3 and v4.

regards,
--
ZizhuanLiu (X-MAN)
44973863(at)qq(dot)com

>Original
>From: ZizhuanLiu X-MAN <44973863(at)qq(dot)com>
>Date: 2026-06-14 22:37
>To: rring0727 <rring0727(at)gmail(dot)com>, cca5507 <cca5507(at)qq(dot)com>
>Cc: pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
>Subject: Re: Return value of XLogInsertRecord() for XLOG_SWITCH record
>
>
>rebase v4.
>
>Early v2/v3 only fixed the page-cross judgment condition, but still retained duplicated
>EndPos calculation logic. v4 refactors ReserveXLogSwitch to compute standard EndPos
>once and reuse it, eliminating redundant code fundamentally.
>
>All behavior remains identical to v2/v3 after fix; v4 just unifies the calculation
>point without changing runtime logic.
>
>
>ZizhuanLiu X-MAN
>44973863(at)qq(dot)com

Attachment Content-Type Size
v4-0001-Keep-the-return-value-of-XLogInsertRecord-for-XLO.patch application/octet-stream 3.5 KB
v3-0001-Keep-the-return-value-of-XLogInsertRecord-for-XLO.patch application/octet-stream 1002 bytes

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