From 87477b67713300a89b3088812142ccae239c1d75 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Thu, 7 Nov 2019 15:49:59 -0500
Subject: [PATCH] docs: clarify that only INSERT and UPDATE triggers can mod.
NEW
The point is that DELETE triggers cannot modify any values.
Reported-by: Eugen Konkov
Discussion: https://postgr.es/m/919823407.20191029175436@yandex.ru
Backpatch-through: 9.4
---
doc/src/sgml/trigger.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/doc/src/sgml/trigger.sgml b/doc/src/sgml/trigger.sgml
index 1f02fe609a7..b76481ac5df 100644
--- a/doc/src/sgml/trigger.sgml
+++ b/doc/src/sgml/trigger.sgml
@@ -172,7 +172,7 @@
used to signal that the trigger performed the necessary data
modifications in the view. This will cause the count of the number
of rows affected by the command to be incremented. For
- <command>INSERT</> and <command>UPDATE</> operations, the trigger
+ <command>INSERT</> and <command>UPDATE</> operations only, the trigger
may modify the <varname>NEW</> row before returning it. This will
change the data returned by
<command>INSERT RETURNING</> or <command>UPDATE RETURNING</>,
--
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