added target property for link nodes to nodes and deleted_nodes tables

00-tables.sql

@@ -42,6 +42,8 @@ CREATE TABLE node (
     tstamp_wrapper_dir     VARCHAR       default NULL,
     type                   NodeType      NOT NULL,
     location_id            SMALLINT      default NULL,
+    -- target URI for link nodes
+    target                 VARCHAR       default NULL,
    -- format is used to distinguish between unstuctured (format=NULL) and structured nodes having a well defined format
     format                 VARCHAR       default NULL,
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously
@@ -80,6 +82,8 @@ CREATE TABLE deleted_node (
     tstamp_wrapper_dir     VARCHAR       default NULL,
     type                   NodeType      NOT NULL,
     location_id            SMALLINT      default NULL,
+    -- target URI for link nodes
+    target                 VARCHAR       default NULL,
     -- format is used to distinguish between unstuctured (format=NULL) and structured nodes having a well defined format
     format                 VARCHAR       default NULL,
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously