Added sticky flag to nodes

00-init.sql

@@ -67,6 +67,7 @@ CREATE TABLE node (
     -- format is used to distinguish between unstuctured (format=NULL) and structured nodes having a well defined format
     async_trans            BOOLEAN       default false,
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously
+    sticky                 BOOLEAN       default false,
     busy_state             BOOLEAN       default NULL,
     owner_id               VARCHAR       default NULL,
     creator_id             VARCHAR       default NULL,
@@ -106,6 +107,7 @@ CREATE TABLE deleted_node (
     -- format is used to distinguish between unstuctured (format=NULL) and structured nodes having a well defined format
     async_trans            BOOLEAN       default NULL,
     -- async_trans tells us whether a node is hosted on a cold storage and has to be transferred asynchronously
+    sticky                 BOOLEAN       default false,
     busy_state             BOOLEAN       default NULL,
     owner_id               VARCHAR       default NULL,
     creator_id             VARCHAR       default NULL,