class CreateActiveJobLocks < ActiveRecord::Migration[5.2] def change # return if it's a new setup return if !Setting.exists?(name: 'system_init_done') create_table :active_job_locks do |t| t.string :lock_key t.string :active_job_id t.timestamps end add_index :active_job_locks, :lock_key, unique: true add_index :active_job_locks, :active_job_id, unique: true end end