--
-- Copyright (C) 2006 The Trustees of Princeton University
--
--- $Id: planetlab4.sql,v 1.29 2006/11/08 22:07:29 mlhuang Exp $
+-- $Id: planetlab4.sql,v 1.32 2006/11/13 16:23:11 thierry Exp $
--
--------------------------------------------------------------------------------
hostname text NOT NULL, -- Node hostname
site_id integer REFERENCES sites, -- At which site (clause NOT NULL removed for foreign_nodes)
boot_state text REFERENCES boot_states NOT NULL DEFAULT 'inst', -- Node boot state
--- cached boolean NOT NULL DEFAULT false, -- is this entry cached from a peer ?
--- peer_id integer REFERENCES peers, -- if cached, then from what peer
deleted boolean NOT NULL DEFAULT false, -- Is deleted
-- Optional
-- Nodes - peers relationship
CREATE TABLE peer_node (
- peer_id integer REFERENCES peers NOT NULL, -- peer primary key
- node_id integer REFERENCES nodes NOT NULL, -- node primary key
- PRIMARY KEY (peer_id, node_id)
+ peer_id integer REFERENCES peers NOT NULL, -- Peer identifier
+ node_id integer REFERENCES nodes NOT NULL, -- (Local) node identifier
+ foreign_id integer NOT NULL, -- (Peer) node identifier
+ PRIMARY KEY (peer_id, node_id),
+ UNIQUE (node_id) -- Nodes can only be at one peer
) WITH OIDS;
CREATE INDEX peer_node_peer_id_idx ON peer_node (peer_id);
-CREATE INDEX peer_node_node_id_idx ON peer_node (node_id);
-- Nodes at each peer
CREATE VIEW peer_nodes AS
FROM peer_node
GROUP BY peer_id;
-CREATE VIEW view_peers AS
-SELECT
-peers.*,
-peer_nodes.node_ids
-FROM peers
-LEFT JOIN peer_nodes USING (peer_id);
-
--------------------------------------------------------------------------------
-- Node groups
--------------------------------------------------------------------------------
FROM slices
GROUP BY site_id;
+-- Slices - peer relationship
+CREATE TABLE peer_slice (
+ peer_id integer REFERENCES peers NOT NULL, -- peer primary key
+ slice_id integer REFERENCES slices NOT NULL, -- node primary key
+ foreign_id integer NOT NULL,
+ PRIMARY KEY (peer_id, slice_id)
+) WITH OIDS;
+CREATE INDEX peer_slice_peer_id_idx ON peer_slice (peer_id);
+CREATE INDEX peer_slice_slice_id_idx ON peer_slice (node_id);
+
+CREATE VIEW peer_slices AS
+SELECT peer_id,
+array_accum(slice_id) AS slice_ids
+FROM peer_slice
+GROUP BY peer_id;
+
-- Slice membership
CREATE TABLE slice_person (
slice_id integer REFERENCES slices NOT NULL, -- Slice identifier
LEFT JOIN node_session USING (node_id)
WHERE peer_node.peer_id IS NULL;
+CREATE VIEW view_peers AS
+SELECT
+peers.*,
+peer_nodes.node_ids,
+peer_slices.slice_ids
+FROM peers
+LEFT JOIN peer_nodes USING (peer_id)
+LEFT JOIN peer_slices USING (peer_id);
+
CREATE VIEW view_foreign_nodes AS
SELECT
nodes.node_id,
nodes.version,
CAST(date_part('epoch', nodes.date_created) AS bigint) AS date_created,
CAST(date_part('epoch', nodes.last_updated) AS bigint) AS last_updated,
-node_slices.slice_ids,
+COALESCE(node_slices.slice_ids, '{}') AS slice_ids,
nodes.deleted
FROM nodes
LEFT JOIN peer_node USING (node_id)
COALESCE(slice_persons.person_ids, '{}') AS person_ids,
COALESCE(slice_attributes.slice_attribute_ids, '{}') AS slice_attribute_ids
FROM slices
+LEFT JOIN peer_slice USING (slice_id)
LEFT JOIN slice_nodes USING (slice_id)
LEFT JOIN slice_persons USING (slice_id)
-LEFT JOIN slice_attributes USING (slice_id);
+LEFT JOIN slice_attributes USING (slice_id)
+WHERE peer_slice.peer_id IS NULL;
+
+CREATE VIEW view_foreign_slices AS
+SELECT
+slices.slice_id,
+slices.name,
+peer_slice.peer_id,
+slices.instantiation,
+slices.url,
+slices.description,
+slices.max_nodes,
+slices.is_deleted,
+CAST(date_part('epoch', slices.created) AS bigint) AS created,
+CAST(date_part('epoch', slices.expires) AS bigint) AS expires
+FROM slices
+LEFT JOIN peer_slice USING (slice_id)
+WHERE peer_slice.peer_id IS NOT NULL;
+--
CREATE VIEW view_slice_attributes AS
SELECT
slice_attribute.slice_attribute_id,