X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=migrations%2F005-down-import-apr-2007.sql;fp=migrations%2F005-down-import-apr-2007.sql;h=fa16b125bcd6b4ee8f16453b199d0d11b96e8368;hb=fcef24e66e137f58d048c54c3c286e574ab0880d;hp=0000000000000000000000000000000000000000;hpb=dd451a33a9eeb9a7b2ccf490e916dd1f4196a24a;p=plcapi.git

diff --git a/migrations/005-down-import-apr-2007.sql b/migrations/005-down-import-apr-2007.sql
new file mode 100644
index 0000000..fa16b12
--- /dev/null
+++ b/migrations/005-down-import-apr-2007.sql
@@ -0,0 +1,112 @@
+-- revert migration 005
+-- 
+-- this is a rather complex example, so for next times, make sure that you
+-- * first restore old columns or tables
+-- * then create or replace views
+-- * and only finally drop new columns and tables
+-- otherwise the columns may refuse to get dropped if they are still used by views
+--
+
+---------- creations 
+
+ALTER TABLE events ADD object_type text NOT NULL Default 'Unknown';
+
+---------- view changes
+
+-- for some reason these views require to be dropped first
+DROP VIEW view_events;
+DROP VIEW event_objects;
+DROP VIEW view_nodes;
+DROP VIEW view_sites;
+
+CREATE OR REPLACE VIEW event_objects AS
+SELECT event_id,
+array_accum(object_id) AS object_ids
+FROM event_object
+GROUP BY event_id;
+
+CREATE OR REPLACE VIEW view_events AS
+SELECT
+events.event_id,
+events.person_id,
+events.node_id,
+events.fault_code,
+events.call_name,
+events.call,
+events.object_type,
+events.message,
+events.runtime,
+CAST(date_part('epoch', events.time) AS bigint) AS time,
+COALESCE((SELECT object_ids FROM event_objects WHERE event_objects.event_id = events.event_id), '{}') AS object_ids
+FROM events;
+
+CREATE OR REPLACE VIEW view_nodes AS
+SELECT
+nodes.node_id,
+nodes.hostname,
+nodes.site_id,
+nodes.boot_state,
+nodes.deleted,
+nodes.model,
+nodes.boot_nonce,
+nodes.version,
+nodes.ssh_rsa_key,
+nodes.key,
+CAST(date_part('epoch', nodes.date_created) AS bigint) AS date_created,
+CAST(date_part('epoch', nodes.last_updated) AS bigint) AS last_updated,
+peer_node.peer_id,
+peer_node.peer_node_id,
+COALESCE((SELECT nodenetwork_ids FROM node_nodenetworks WHERE node_nodenetworks.node_id = nodes.node_id), '{}') AS nodenetwork_ids,
+COALESCE((SELECT nodegroup_ids FROM node_nodegroups WHERE node_nodegroups.node_id = nodes.node_id), '{}') AS nodegroup_ids,
+COALESCE((SELECT slice_ids FROM node_slices WHERE node_slices.node_id = nodes.node_id), '{}') AS slice_ids,
+COALESCE((SELECT pcu_ids FROM node_pcus WHERE node_pcus.node_id = nodes.node_id), '{}') AS pcu_ids,
+COALESCE((SELECT ports FROM node_pcus WHERE node_pcus.node_id = nodes.node_id), '{}') AS ports,
+COALESCE((SELECT conf_file_ids FROM node_conf_files WHERE node_conf_files.node_id = nodes.node_id), '{}') AS conf_file_ids,
+node_session.session_id AS session
+FROM nodes
+LEFT JOIN peer_node USING (node_id)
+LEFT JOIN node_session USING (node_id);
+
+CREATE OR REPLACE VIEW view_sites AS
+SELECT
+sites.site_id,
+sites.login_base,
+sites.name,
+sites.abbreviated_name,
+sites.deleted,
+sites.enabled,
+sites.is_public,
+sites.max_slices,
+sites.max_slivers,
+sites.latitude,
+sites.longitude,
+sites.url,
+CAST(date_part('epoch', sites.date_created) AS bigint) AS date_created,
+CAST(date_part('epoch', sites.last_updated) AS bigint) AS last_updated,
+peer_site.peer_id,
+peer_site.peer_site_id,
+COALESCE((SELECT person_ids FROM site_persons WHERE site_persons.site_id = sites.site_id), '{}') AS person_ids,
+COALESCE((SELECT node_ids FROM site_nodes WHERE site_nodes.site_id = sites.site_id), '{}') AS node_ids,
+COALESCE((SELECT address_ids FROM site_addresses WHERE site_addresses.site_id = sites.site_id), '{}') AS address_ids,
+COALESCE((SELECT slice_ids FROM site_slices WHERE site_slices.site_id = sites.site_id), '{}') AS slice_ids,
+COALESCE((SELECT pcu_ids FROM site_pcus WHERE site_pcus.site_id = sites.site_id), '{}') AS pcu_ids
+FROM sites
+LEFT JOIN peer_site USING (site_id);
+
+---------- deletions
+
+ALTER TABLE sites DROP COLUMN ext_consortium_id;
+
+ALTER TABLE nodes DROP COLUMN last_contact;
+
+DROP INDEX initscripts_name_idx;
+DROP TABLE initscripts;
+
+ALTER TABLE events DROP COLUMN auth_type;
+
+ALTER TABLE event_object DROP COLUMN object_type;
+
+---------- revert subversion
+
+UPDATE plc_db_version SET subversion = 4;
+SELECT subversion from plc_db_version;