diff options
Diffstat (limited to 'db/migrate/20180227182112_add_group_id_to_boards_ce.rb')
-rw-r--r-- | db/migrate/20180227182112_add_group_id_to_boards_ce.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/db/migrate/20180227182112_add_group_id_to_boards_ce.rb b/db/migrate/20180227182112_add_group_id_to_boards_ce.rb new file mode 100644 index 00000000000..f54dd8d7687 --- /dev/null +++ b/db/migrate/20180227182112_add_group_id_to_boards_ce.rb @@ -0,0 +1,34 @@ +class AddGroupIdToBoardsCe < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + disable_ddl_transaction! + + DOWNTIME = false + + def up + return if group_id_exists? + + add_column :boards, :group_id, :integer + add_foreign_key :boards, :namespaces, column: :group_id, on_delete: :cascade + add_concurrent_index :boards, :group_id + + change_column_null :boards, :project_id, true + end + + def down + return unless group_id_exists? + + remove_foreign_key :boards, column: :group_id + remove_index :boards, :group_id if index_exists? :boards, :group_id + remove_column :boards, :group_id + + execute "DELETE from boards WHERE project_id IS NULL" + change_column_null :boards, :project_id, false + end + + private + + def group_id_exists? + column_exists?(:boards, :group_id) + end +end |