From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 24 Sep 2008 19:51:22 +0000 (+0000)
Subject: Add documentation about when trigger values NEW/OLD return NULL.
X-Git-Tag: recoveryinfrav9~609
X-Git-Url: http://waps.l3s.uni-hannover.de/gitweb/?a=commitdiff_plain;h=6e907e068aa038cf6c455c5f2c42cbd5bdcf35d4;p=users%2Fsimon%2Fpostgres.git

Add documentation about when trigger values NEW/OLD return NULL.

Jeff Davis
---

diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml
index 9b2e2e9402..bdc16dbacf 100644
--- a/doc/src/sgml/plpgsql.sgml
+++ b/doc/src/sgml/plpgsql.sgml
@@ -3036,7 +3036,8 @@ RAISE unique_violation USING MESSAGE = 'Duplicate user ID: ' || user_id;
       <para>
        Data type <type>RECORD</type>; variable holding the new
        database row for <command>INSERT</>/<command>UPDATE</> operations in row-level
-       triggers. This variable is <symbol>NULL</symbol> in statement-level triggers.
+       triggers. This variable is <symbol>NULL</symbol> in statement-level triggers
+       and for <command>DELETE</command> operations.
       </para>
      </listitem>
     </varlistentry>
@@ -3047,7 +3048,8 @@ RAISE unique_violation USING MESSAGE = 'Duplicate user ID: ' || user_id;
       <para>
        Data type <type>RECORD</type>; variable holding the old
        database row for <command>UPDATE</>/<command>DELETE</> operations in row-level
-       triggers. This variable is <symbol>NULL</symbol> in statement-level triggers.
+       triggers. This variable is <symbol>NULL</symbol> in statement-level triggers
+       and for <command>INSERT</command> operations.
       </para>
      </listitem>
     </varlistentry>