From abf34a11756bd0f3ab738d3554051abd7edb1557 Mon Sep 17 00:00:00 2001
From: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Date: Fri, 28 Jan 2011 16:22:17 -0600
Subject: [PATCH] Add documentation of TG_DEPTH for PL/pgSQL.

---
 doc/src/sgml/plpgsql.sgml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml
index 527eaecc9b..06da6366cf 100644
--- a/doc/src/sgml/plpgsql.sgml
+++ b/doc/src/sgml/plpgsql.sgml
@@ -3206,6 +3206,16 @@ RAISE unique_violation USING MESSAGE = 'Duplicate user ID: ' || user_id;
      </listitem>
     </varlistentry>
 
+    <varlistentry>
+     <term><varname>TG_DEPTH</varname></term>
+     <listitem>
+      <para>
+       Data type <type>integer</type>; the current number of levels of
+       nesting within trigger execution.
+      </para>
+     </listitem>
+    </varlistentry>
+
     <varlistentry>
      <term><varname>TG_NARGS</varname></term>
      <listitem>
-- 
2.39.5