canvas-lms/db/migrate/20120301231339_add_discussi...

15 lines
487 B
Ruby

class AddDiscussionEntryThreading < ActiveRecord::Migration[4.2]
tag :predeploy
def self.up
add_column :discussion_entries, :root_entry_id, :integer, :limit => 8
add_column :discussion_entries, :depth, :integer
add_index :discussion_entries, [:root_entry_id, :workflow_state, :created_at], :name => "index_discussion_entries_root_entry"
end
def self.down
remove_column :discussion_entries, :depth
remove_column :discussion_entries, :root_entry_id
end
end