From: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Date: Fri, 28 Jan 2011 22:22:17 +0000 (-0600)
Subject: Add documentation of TG_DEPTH for PL/pgSQL.
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=abf34a11756bd0f3ab738d3554051abd7edb1557;p=users%2Fkgrittn%2Fpostgres.git

Add documentation of TG_DEPTH for PL/pgSQL.
---

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>