class CreateLabelPriorities < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = true
DOWNTIME_REASON = 'This migration adds foreign keys'
disable_ddl_transaction!
def up
create_table :label_priorities do |t|
t.references :project, foreign_key: { on_delete: :cascade }, null: false
t.references :label, foreign_key: { on_delete: :cascade }, null: false
t.integer :priority, null: false
t.timestamps null: false
end
add_concurrent_index :label_priorities, [:project_id, :label_id], unique: true
add_concurrent_index :label_priorities, :priority
end
def down
drop_table :label_priorities
end
end