From aa09b9dcd57cbf18516332bf8310c12ef6f83715 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Thu, 2 Feb 2017 16:49:46 -0500
Subject: [PATCH] doc: Add missing include in example code

It's not broken because the header file is included via other headers,
but for better style we should be more explicit.

Reported-by: mthrockmorton@hme.com
---
 doc/src/sgml/trigger.sgml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/src/sgml/trigger.sgml b/doc/src/sgml/trigger.sgml
index 22966c06dc0..8f724c86648 100644
--- a/doc/src/sgml/trigger.sgml
+++ b/doc/src/sgml/trigger.sgml
@@ -705,6 +705,7 @@ CREATE TABLE ttest (
     This is the source code of the trigger function:
 <programlisting><![CDATA[
 #include "postgres.h"
+#include "fmgr.h"
 #include "executor/spi.h"       /* this is what you need to work with SPI */
 #include "commands/trigger.h"   /* ... triggers ... */
 #include "utils/rel.h"          /* ... and relations */
-- 
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