18 lines
655 B
Ruby
18 lines
655 B
Ruby
class RemoveMultipleRootFolders < ActiveRecord::Migration
|
|
tag :postdeploy
|
|
disable_ddl_transaction!
|
|
|
|
def self.up
|
|
DataFixup::RemoveMultipleRootFolders.run
|
|
if connection.adapter_name =~ /\Apostgresql/i
|
|
add_index :folders, [:context_id, :context_type], :unique => true, :name => 'index_folders_on_context_id_and_context_type_for_root_folders', :algorithm => :concurrently, :where => "parent_folder_id IS NULL AND workflow_state<>'deleted'"
|
|
end
|
|
end
|
|
|
|
def self.down
|
|
if connection.adapter_name =~ /\Apostgresql/i
|
|
execute("DROP INDEX IF EXISTS index_folders_on_context_id_and_context_type_for_root_folders")
|
|
end
|
|
end
|
|
end
|