Changes to more broadly support auto-increment. new odbc-postgresql-database type

[clsql.git] / doc / ref-ooddl.xml

diff --git a/doc/ref-ooddl.xml b/doc/ref-ooddl.xml
index 891e213a70dcc09ad053aac05c94f4f8d0699eff..4a2cffa140b4600703290805f4e6352301b5af1d 100644 (file)
--- a/doc/ref-ooddl.xml
+++ b/doc/ref-ooddl.xml
@@ -594,7 +594,11 @@
           Defaults to nil, i.e. non-normalized schemas. When true,
           SQL database tables that map to this class and parent
           classes are joined on their primary keys to get the full
-          set of database columns for this class.
+          set of database columns for this class.  This means that 
+          the primary key of the base class will be copied to all 
+          subclasses as we insert so that all parent classes of an 
+          instance will have the same value in their primary key slots
+          (see tests/ds-nodes.lisp and oodml.lisp)
            </para>
          </listitem>
        </itemizedlist>