postgres.git / summary / log / commit / refs
commit 441d4b5a3779ce4b7302d2a05b97e4fb01cc7fb7
Author: Bruce Momjian <bruce@momjian.us>
Date: Thu Jun 25 22:33:28 2020 +0000
First released in: 14.0, 9.5.23, 9.6.19, 10.14, 11.9, 12.4, 13.0
doc: mention trigger helper functions in CREATE TRIGGER docs
Reported-by: petermpallesen@gmail.com
Discussion: https://postgr.es/m/159195294959.673.5752624528747900508@wrigleys.postgresql.org
Backpatch-through: 9.5
doc/src/sgml/ref/create_trigger.sgml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/doc/src/sgml/ref/create_trigger.sgml b/doc/src/sgml/ref/create_trigger.sgml
index 91293b7ca17..576e27f4dcc 100644
--- a/doc/src/sgml/ref/create_trigger.sgml
+++ b/doc/src/sgml/ref/create_trigger.sgml
@@ -447,6 +447,12 @@ UPDATE OF <replaceable>column_name1</replaceable> [, <replaceable>column_name2</
value did not change.
</para>
+ <para>
+ There are a few built-in trigger functions that can be used to
+ solve common problems without having to write your own trigger code;
+ see <xref linkend="functions-trigger">.
+ </para>
+
<para>
In a <literal>BEFORE</> trigger, the <literal>WHEN</> condition is
evaluated just before the function is or would be executed, so using
[parent: 34c95d73aaec]