From: Robert Haas <rhaas@postgresql.org>
Date: Thu, 20 Jan 2011 02:21:33 +0000 (-0500)
Subject: Document that WITH queries are also called Common Table Expressions.
X-Git-Tag: REL8_4_7~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9de3f2843c4cf695a37d04d268df350b6118a232;p=postgresql

Document that WITH queries are also called Common Table Expressions.

Peter Geoghegan, reviewed by Stephen Frost
---

diff --git a/doc/src/sgml/acronyms.sgml b/doc/src/sgml/acronyms.sgml
index 64efd32395..0e2b1bcc35 100644
--- a/doc/src/sgml/acronyms.sgml
+++ b/doc/src/sgml/acronyms.sgml
@@ -98,6 +98,15 @@
     </listitem>
    </varlistentry>
 
+   <varlistentry>
+    <term><acronym>CTE</acronym></term>
+    <listitem>
+     <para>
+      <link linkend="queries-with">Common Table Expression</link>
+     </para>
+    </listitem>
+   </varlistentry>
+
    <varlistentry>
     <term><acronym>CVE</acronym></term>
     <listitem>
diff --git a/doc/src/sgml/queries.sgml b/doc/src/sgml/queries.sgml
index 21a3a8d1a6..e54de756dc 100644
--- a/doc/src/sgml/queries.sgml
+++ b/doc/src/sgml/queries.sgml
@@ -1526,7 +1526,7 @@ SELECT <replaceable>select_list</replaceable> FROM <replaceable>table_expression
 
 
  <sect1 id="queries-with">
-  <title><literal>WITH</literal> Queries</title>
+  <title><literal>WITH</literal> Queries (Common Table Expressions)</title>
 
   <indexterm zone="queries-with">
    <primary>WITH</primary>
@@ -1540,7 +1540,8 @@ SELECT <replaceable>select_list</replaceable> FROM <replaceable>table_expression
 
   <para>
    <literal>WITH</> provides a way to write subqueries for use in a larger
-   <literal>SELECT</> query.  The subqueries can be thought of as defining
+   <literal>SELECT</> query.  The subqueries, which are often referred to as Common Table
+   Expressions or <acronym>CTE</acronym>s, can be thought of as defining
    temporary tables that exist just for this query.  One use of this feature
    is to break down complicated queries into simpler parts.  An example is: