def up
add_column :collections, :name, :string
add_column :collections, :description, :string
- add_column :collections, :properties, :string
- add_column :collections, :expire_time, :date
+ add_column :collections, :properties, :text
+ add_column :collections, :expires_at, :date
remove_column :collections, :locator
- # Step 1. Move manifest hashes into portable_data_hash field
- ActiveRecord::Base.connection.execute("update collections set portable_data_hash=uuid, uuid=null")
+ say_with_time "Step 1. Move manifest hashes into portable_data_hash field" do
+ ActiveRecord::Base.connection.execute("update collections set portable_data_hash=uuid, uuid=null")
+ end
- # Step 2. Create new collection objects from the name links in the table.
- links = ActiveRecord::Base.connection.select_all %{
-select links.uuid, head_uuid, tail_uuid, links.name, manifest_text, links.created_at, links.updated_at
+ say_with_time "Step 2. Create new collection objects from the name links in the table." do
+ from_clause = %{
from links inner join collections on head_uuid=collections.portable_data_hash
where link_class='name' and collections.uuid is null
}
- links.each do |d|
- ActiveRecord::Base.connection.execute %{
-insert into collections (uuid, portable_data_hash, owner_uuid, name, manifest_text, created_at, updated_at)
+ links = ActiveRecord::Base.connection.select_all %{
+select links.uuid, head_uuid, tail_uuid, links.name,
+manifest_text, links.created_at, links.modified_at, links.modified_by_client_uuid, links.modified_by_user_uuid
+#{from_clause}
+}
+ links.each do |d|
+ ActiveRecord::Base.connection.execute %{
+insert into collections (uuid, portable_data_hash, owner_uuid, name, manifest_text, created_at, modified_at, modified_by_client_uuid, modified_by_user_uuid, updated_at)
values (#{ActiveRecord::Base.connection.quote Collection.generate_uuid},
#{ActiveRecord::Base.connection.quote d['head_uuid']},
#{ActiveRecord::Base.connection.quote d['tail_uuid']},
#{ActiveRecord::Base.connection.quote d['name']},
#{ActiveRecord::Base.connection.quote d['manifest_text']},
#{ActiveRecord::Base.connection.quote d['created_at']},
-#{ActiveRecord::Base.connection.quote d['updated_at']})
+#{ActiveRecord::Base.connection.quote d['modified_at']},
+#{ActiveRecord::Base.connection.quote d['modified_by_client_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_by_user_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_at']})
}
- ActiveRecord::Base.connection.execute("delete from links where uuid=#{ActiveRecord::Base.connection.quote d['uuid']}")
+ end
+ ActiveRecord::Base.connection.execute "delete from links where links.uuid in (select links.uuid #{from_clause})"
end
- # Step 3. Create new collection objects from the can_read links in the table.
- links = ActiveRecord::Base.connection.select_all %{
-select links.uuid, head_uuid, tail_uuid, manifest_text, links.created_at, links.updated_at
+ say_with_time "Step 3. Create new collection objects from the can_read links in the table." do
+ from_clause = %{
from links inner join collections on head_uuid=collections.portable_data_hash
where link_class='permission' and links.name='can_read' and collections.uuid is null
}
- links.each do |d|
- ActiveRecord::Base.connection.execute %{
-insert into collections (uuid, portable_data_hash, owner_uuid, manifest_text, created_at, updated_at)
+ links = ActiveRecord::Base.connection.select_all %{
+select links.uuid, head_uuid, tail_uuid, manifest_text, links.created_at, links.modified_at
+#{from_clause}
+}
+ links.each do |d|
+ ActiveRecord::Base.connection.execute %{
+insert into collections (uuid, portable_data_hash, owner_uuid, manifest_text, created_at, modified_at, modified_by_client_uuid, modified_by_user_uuid, updated_at)
values (#{ActiveRecord::Base.connection.quote Collection.generate_uuid},
#{ActiveRecord::Base.connection.quote d['head_uuid']},
#{ActiveRecord::Base.connection.quote d['tail_uuid']},
#{ActiveRecord::Base.connection.quote d['manifest_text']},
#{ActiveRecord::Base.connection.quote d['created_at']},
-#{ActiveRecord::Base.connection.quote d['updated_at']})
+#{ActiveRecord::Base.connection.quote d['modified_at']},
+#{ActiveRecord::Base.connection.quote d['modified_by_client_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_by_user_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_at']})
+}
+ end
+ ActiveRecord::Base.connection.execute "delete from links where links.uuid in (select links.uuid #{from_clause})"
+ end
+
+ say_with_time "Step 4. Migrate remaining orphan collection objects" do
+ links = ActiveRecord::Base.connection.select_all %{
+select portable_data_hash, owner_uuid, manifest_text, created_at, modified_at
+from collections
+where uuid is null and portable_data_hash not in (select portable_data_hash from collections where uuid is not null)
+}
+ links.each do |d|
+ ActiveRecord::Base.connection.execute %{
+insert into collections (uuid, portable_data_hash, owner_uuid, manifest_text, created_at, modified_at, modified_by_client_uuid, modified_by_user_uuid, updated_at)
+values (#{ActiveRecord::Base.connection.quote Collection.generate_uuid},
+#{ActiveRecord::Base.connection.quote d['portable_data_hash']},
+#{ActiveRecord::Base.connection.quote d['owner_uuid']},
+#{ActiveRecord::Base.connection.quote d['manifest_text']},
+#{ActiveRecord::Base.connection.quote d['created_at']},
+#{ActiveRecord::Base.connection.quote d['modified_at']},
+#{ActiveRecord::Base.connection.quote d['modified_by_client_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_by_user_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_at']})
+}
+ end
+ end
+
+ say_with_time "Step 5. Delete old collection objects." do
+ ActiveRecord::Base.connection.execute("delete from collections where uuid is null")
+ end
+
+ say_with_time "Step 6. Delete permission links where tail_uuid is a collection (invalid records)" do
+ ActiveRecord::Base.connection.execute %{
+delete from links where links.uuid in (select links.uuid
+from links
+where tail_uuid like '________________________________+%' and link_class='permission' )
}
- ActiveRecord::Base.connection.execute("delete from links where uuid=#{ActiveRecord::Base.connection.quote d['uuid']}")
end
- # Step 4. Delete permission links with tail_uuid of a collection (these records are just invalid)
- links = ActiveRecord::Base.connection.select_all "select links.uuid from links inner join collections on links.tail_uuid=collections.portable_data_hash where link_class='permission'"
- links.each do |d|
- ActiveRecord::Base.connection.execute("delete from links where uuid=#{ActiveRecord::Base.connection.quote d['uuid']}")
+ say_with_time "Step 7. Migrate collection -> collection provenance links to jobs" do
+ from_clause = %{
+from links
+where head_uuid like '________________________________+%' and tail_uuid like '________________________________+%' and links.link_class = 'provenance'
+}
+ links = ActiveRecord::Base.connection.select_all %{
+select links.uuid, head_uuid, tail_uuid, links.created_at, links.modified_at, links.modified_by_client_uuid, links.modified_by_user_uuid, links.owner_uuid
+#{from_clause}
+}
+ links.each do |d|
+ newuuid = Job.generate_uuid
+ ActiveRecord::Base.connection.execute %{
+insert into jobs (uuid, script_parameters, output, running, success, created_at, modified_at, modified_by_client_uuid, modified_by_user_uuid, owner_uuid, updated_at)
+values (#{ActiveRecord::Base.connection.quote newuuid},
+#{ActiveRecord::Base.connection.quote "---\ninput: "+d['tail_uuid']},
+#{ActiveRecord::Base.connection.quote d['head_uuid']},
+#{ActiveRecord::Base.connection.quote false},
+#{ActiveRecord::Base.connection.quote true},
+#{ActiveRecord::Base.connection.quote d['created_at']},
+#{ActiveRecord::Base.connection.quote d['modified_at']},
+#{ActiveRecord::Base.connection.quote d['modified_by_client_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_by_user_uuid']},
+#{ActiveRecord::Base.connection.quote d['owner_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_at']})
+}
+ end
+ ActiveRecord::Base.connection.execute "delete from links where links.uuid in (select links.uuid #{from_clause})"
end
- # Step 5. Migrate other links
- # 5.1 migrate head_uuid that look like collections
- links = ActiveRecord::Base.connection.select_all %{
-select links.uuid, collections.uuid as coluuid, tail_uuid, link_class, links.properties, links.name, links.created_at, links.updated_at, links.owner_uuid
+ say_with_time "Step 8. Migrate remaining links with head_uuid pointing to collections" do
+ from_clause = %{
from links inner join collections on links.head_uuid=portable_data_hash
-where collections.uuid is not null and links.link_class != 'name' and links.link_class != 'permission'
+where collections.uuid is not null
}
- links.each do |d|
- ActiveRecord::Base.connection.execute %{
-insert into links (uuid, head_uuid, tail_uuid, link_class, name, properties, created_at, updated_at, owner_uuid)
+ links = ActiveRecord::Base.connection.select_all %{
+select links.uuid, collections.uuid as collectionuuid, tail_uuid, link_class, links.properties,
+links.name, links.created_at, links.modified_at, links.modified_by_client_uuid, links.modified_by_user_uuid, links.owner_uuid
+#{from_clause}
+}
+ links.each do |d|
+ ActiveRecord::Base.connection.execute %{
+insert into links (uuid, head_uuid, tail_uuid, link_class, name, properties, created_at, modified_at, modified_by_client_uuid, modified_by_user_uuid, owner_uuid, updated_at)
values (#{ActiveRecord::Base.connection.quote Link.generate_uuid},
-#{ActiveRecord::Base.connection.quote d['coluuid']},
+#{ActiveRecord::Base.connection.quote d['collectionuuid']},
#{ActiveRecord::Base.connection.quote d['tail_uuid']},
#{ActiveRecord::Base.connection.quote d['link_class']},
#{ActiveRecord::Base.connection.quote d['name']},
#{ActiveRecord::Base.connection.quote d['properties']},
#{ActiveRecord::Base.connection.quote d['created_at']},
-#{ActiveRecord::Base.connection.quote d['updated_at']},
-#{ActiveRecord::Base.connection.quote d['owner_uuid']})
+#{ActiveRecord::Base.connection.quote d['modified_at']},
+#{ActiveRecord::Base.connection.quote d['modified_by_client_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_by_user_uuid']},
+#{ActiveRecord::Base.connection.quote d['owner_uuid']},
+#{ActiveRecord::Base.connection.quote d['modified_at']})
}
- ActiveRecord::Base.connection.execute("delete from links where uuid=#{ActiveRecord::Base.connection.quote d['uuid']}")
+ end
+ ActiveRecord::Base.connection.execute "delete from links where links.uuid in (select links.uuid #{from_clause})"
end
- # 5.2 migrate tail_uuid that look like collections
- links = ActiveRecord::Base.connection.select_all %{
-select links.uuid, head_uuid, collections.uuid as coluuid, link_class, links.properties, links.name, links.created_at, links.updated_at, links.owner_uuid
-from links inner join collections on links.tail_uuid=portable_data_hash
-where tail_uuid like '________________________________+%' and collections.uuid is not null and links.link_class != 'name' and links.link_class != 'permission'
-}
- links.each do |d|
- newuuid = Link.generate_uuid
- ActiveRecord::Base.connection.execute %{
-insert into links (uuid, head_uuid, tail_uuid, link_class, name, properties, created_at, updated_at, owner_uuid)
-values (#{ActiveRecord::Base.connection.quote newuuid},
-#{ActiveRecord::Base.connection.quote d['head_uuid']},
-#{ActiveRecord::Base.connection.quote d['coluuid']},
-#{ActiveRecord::Base.connection.quote d['link_class']},
-#{ActiveRecord::Base.connection.quote d['name']},
-#{ActiveRecord::Base.connection.quote d['properties']},
-#{ActiveRecord::Base.connection.quote d['created_at']},
-#{ActiveRecord::Base.connection.quote d['updated_at']},
-#{ActiveRecord::Base.connection.quote d['owner_uuid']})
+ say_with_time "Step 9. Delete any remaining name links" do
+ ActiveRecord::Base.connection.execute("delete from links where link_class='name'")
+ end
+
+ say_with_time "Step 10. Validate links table" do
+ links = ActiveRecord::Base.connection.select_all %{
+select links.uuid, head_uuid, tail_uuid, link_class, name
+from links
+where head_uuid like '________________________________+%' or tail_uuid like '________________________________+%'
}
- ActiveRecord::Base.connection.execute("delete from links where uuid=#{ActiveRecord::Base.connection.quote d['uuid']}")
+ links.each do |d|
+ raise "Bad row #{d}"
+ end
end
- # Step 7. Delete old collection objects.
- ActiveRecord::Base.connection.execute("delete from collections where uuid is null")
end
def down
- #remove_column :collections, :name
- #remove_column :collections, :description
- #remove_column :collections, :properties
- #remove_column :collections, :expire_time
-
+ raise ActiveRecord::IrreversibleMigration, "Can't downmigrate changes to collections and links without potentially losing data."
end
end