From 49d7e713d93033f6b8c8b37e8bb2a8362c2dec52 Mon Sep 17 00:00:00 2001
From: Bruce Momjian
Date: Fri, 24 Nov 2023 17:56:28 -0500
Subject: doc: mention vacuum's removal of commit timestamp information
Reported-by: Kyotaro HORIGUCHI
Discussion: https://postgr.es/m/20180622.172132.230342845.horiguchi.kyotaro@lab.ntt.co.jp
Co-authored-by: Kyotaro HORIGUCHI
Backpatch-through: 16
---
doc/src/sgml/func.sgml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'doc/src')
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 71713f471d7..f971c7f0ee3 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -26006,7 +26006,8 @@ SELECT collation for ('foo' COLLATE "de_DE");
They only provide useful data when the
configuration option is
enabled, and only for transactions that were committed after it was
- enabled.
+ enabled. Commit timestamp information is routinely removed during
+ vacuum.