gitlab-org--gitlab-foss/db/migrate/20200305020458_add_label_restore_table.rb

31 lines
795 B
Ruby

# frozen_string_literal: true
class AddLabelRestoreTable < ActiveRecord::Migration[6.0]
DOWNTIME = false
def up
# copy table
execute "CREATE TABLE #{backup_labels_table_name} (LIKE #{labels_table_name} INCLUDING ALL);"
# make the primary key a real functioning one rather than incremental
execute "ALTER TABLE #{backup_labels_table_name} ALTER COLUMN ID DROP DEFAULT;"
# add some fields that make changes trackable
execute "ALTER TABLE #{backup_labels_table_name} ADD COLUMN restore_action INTEGER;"
execute "ALTER TABLE #{backup_labels_table_name} ADD COLUMN new_title VARCHAR;"
end
def down
drop_table backup_labels_table_name
end
private
def labels_table_name
:labels
end
def backup_labels_table_name
:backup_labels
end
end