> It doesn't say that only the listed commands acquire ACCESS EXCLUSIVE,

> just that certain commands do.  TRUNCATE isn't shown.

Patch against HEAD to add TRUNCATE to the list of commands that aquire
ACCESS EXCLUSIVE.

Jim C. Nasby, Sr.

doc/src/sgml/mvcc.sgml

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+$PostgreSQL: pgsql/doc/src/sgml/mvcc.sgml,v 2.54 2006/03/04 04:41:36 momjian Exp $
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  <chapter id="mvcc">
@@ -710,7 +710,7 @@ SELECT SUM(value) FROM mytab WHERE class = 2;
 
 	<para>
 	 Acquired by the <command>ALTER TABLE</command>, <command>DROP
-	 TABLE</command>, <command>REINDEX</command>,
+	 TABLE</command>, <command>TRUNCATE</command>, <command>REINDEX</command>,
 	 <command>CLUSTER</command>, and <command>VACUUM FULL</command>
 	 commands.  This is also the default lock mode for <command>LOCK
 	 TABLE</command> statements that do not specify a mode explicitly.