--- a/doc/development/postgresql_vfs.sql	Tue Apr 26 15:19:12 2022 +0200
+++ b/doc/development/postgresql_vfs.sql	Tue Apr 26 18:21:25 2022 +0200
@@ -17,8 +17,11 @@
 create table Property (
 	property_id       serial   primary key,
 	resource_id       int      references Resource(resource_id) on delete cascade,
+	prefix            text     not null,
 	xmlns             text     not null,
 	pname             text     not null,
+	lang              text,
+	nsdeflist         text,
 	pvalue            text          
 );