From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 19 Dec 2008 01:34:19 +0000 (+0000)
Subject: Add a couple of cross-references to the docs about enum types, per a
X-Git-Tag: recoveryinfrav9~184
X-Git-Url: http://waps.l3s.uni-hannover.de/gitweb/?a=commitdiff_plain;h=064182d59c8074a549066f3bf1ae1ce061ae8f30;p=users%2Fsimon%2Fpostgres.git

Add a couple of cross-references to the docs about enum types, per a
recent gripe that the info is hard to find.
---

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index d5942e81b9..c9d55a0136 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -2742,6 +2742,10 @@ SELECT * FROM test1 WHERE a;
     <secondary>enumerated (enum)</secondary>
    </indexterm>
 
+   <indexterm zone="datatype-enum">
+    <primary>enumerated types</primary>
+   </indexterm>
+
    <para>
     Enumerated (enum) types are data types that
     are comprised of a static, predefined set of values with a
@@ -2886,6 +2890,13 @@ SELECT person.name, holidays.num_weeks FROM person, holidays
      Spaces in the labels are significant, too.
     </para>
 
+    <para>
+     The translations from internal enum values to textual labels are
+     kept in the system catalog
+     <link linkend="catalog-pg-enum"><structname>pg_enum</structname></link>.
+     Querying this catalog directly can be useful.
+    </para>
+
    </sect2>
   </sect1>