30 lines
726 B
Ruby
30 lines
726 B
Ruby
|
class CreateForkNetworks < ActiveRecord::Migration
|
||
|
|
include Gitlab::Database::MigrationHelpers
|
||
|
|
|
||
|
|
DOWNTIME = false
|
||
|
|
|
||
|
|
disable_ddl_transaction!
|
||
|
|
|
||
|
|
def up
|
||
|
|
create_table :fork_networks do |t|
|
||
|
|
t.references :root_project,
|
||
|
|
references: :projects,
|
||
|
|
index: { unique: true }
|
||
|
|
|
||
|
|
t.string :deleted_root_project_name
|
||
|
|
end
|
||
|
|
|
||
|
|
add_concurrent_foreign_key :fork_networks, :projects,
|
||
|
|
column: :root_project_id,
|
||
|
|
on_delete: :nullify
|
||
|
|
end
|
||
|
|
|
||
|
|
def down
|
||
|
|
if foreign_keys_for(:fork_networks, :root_project_id).any?
|
||
|
|
remove_foreign_key :fork_networks, column: :root_project_id
|
||
|
|
end
|
||
|
|
|
||
|
|
drop_table :fork_networks
|
||
|
|
end
|
||
|
|
end
|