check only the major version

postgresql/postgresql.spec

@@ -298,11 +298,11 @@ PreReq:       python
          -f $RPM_INSTALL_PREFIX/bin/pg_migrate ]; then
         #   database migration dumping hint
         v_old_all=`cat $RPM_INSTALL_PREFIX/var/postgresql/db/PG_VERSION`
-        v_old_maj=`echo "$v_old_all" | sed -e 's/^\([0-9]*\.[0-9]*\).*/\1/'`
+        v_old_maj=`echo "$v_old_all" | sed -e 's/^\([0-9]*\)\..*/\1/'`
         v_new_all="%{V_postgresql}"
-        v_new_maj=`echo "$v_new_all" | sed -e 's/^\([0-9]*\.[0-9]*\).*/\1/'`
+        v_new_maj=`echo "$v_new_all" | sed -e 's/^\([0-9]*\)\..*/\1/'`
         if [ ".$v_old_maj" != ".$v_new_maj" ]; then
-            ( echo "You are upgrading from PostgreSQL $v_old_all to PostgresSQL $v_new_all,"
+            ( echo "You are upgrading from PostgreSQL $v_old_maj to PostgresSQL $v_new_maj,"
               echo "which is a major version change. We expect a database incompatibility,"
               echo "so a full database backup and restore is required!"
             ) | %{l_rpmtool} msg -b -t notice