v3-0001-Keep-the-return-value-of-XLogInsertRecord-for-XLO.patch
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Filename: v3-0001-Keep-the-return-value-of-XLogInsertRecord-for-XLO.patch
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Format: format-patch
Series: patch v3-0001
Subject: Keep the return value of XLogInsertRecord() for XLOG_SWITCH record consistent with other records patch v4
| File | + | − |
|---|---|---|
| src/backend/access/transam/xlog.c | 8 | 2 |
From 0d9bf706052f366df629c588c8f037569d311b15 Mon Sep 17 00:00:00 2001
From: "ZizhuanLiu(X-MAN)" <44973863@qq.com>
Date: Sat, 13 Jun 2026 19:16:36 +0800
Subject: [PATCH v3] Keep the return value of XLogInsertRecord() for
XLOG_SWITCH record consistent with other records patch v4
---
src/backend/access/transam/xlog.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index d69d03b..cc79df2 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -1027,8 +1027,14 @@ XLogInsertRecord(XLogRecData *rdata,
*/
if (inserted)
{
- EndPos = StartPos + SizeOfXLogRecord;
- if (StartPos / XLOG_BLCKSZ != EndPos / XLOG_BLCKSZ)
+ EndPos = StartPos + MAXALIGN(SizeOfXLogRecord);
+
+ /*
+ * If the XLOG_SWITCH record crosses a page boundary and actually has
+ * a part on the next page, we need to consider the page header. This
+ * is consistent with XLogBytePosToEndRecPtr().
+ */
+ if (StartPos / XLOG_BLCKSZ != (EndPos - 1) / XLOG_BLCKSZ)
{
uint64 offset = XLogSegmentOffset(EndPos, wal_segment_size);
--
2.43.0