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commit    08671057e025b48136d4eed5477f287ffce217b0
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 303881fcfbb..289dd1d9da8 100644
--- a/doc/src/sgml/ref/create_trigger.sgml
+++ b/doc/src/sgml/ref/create_trigger.sgml
@@ -457,6 +457,12 @@ 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</literal> trigger, the <literal>WHEN</literal> condition is
    evaluated just before the function is or would be executed, so using


[parent: 563ed36d5b48]