1 class CreateDelayedJobs < ActiveRecord::Migration[5.2]
3 create_table :delayed_jobs, :force => true do |table|
4 table.integer :priority, :default => 0, :null => false # Allows some jobs to jump to the front of the queue
5 table.integer :attempts, :default => 0, :null => false # Provides for retries, but still fail eventually.
6 table.text :handler, :null => false # YAML-encoded string of the object that will do work
7 table.text :last_error # reason for last failure (See Note below)
8 table.datetime :run_at # When to run. Could be Time.zone.now for immediately, or sometime in the future.
9 table.datetime :locked_at # Set when a client is working on this object
10 table.datetime :failed_at # Set when all retries have failed (actually, by default, the record is deleted instead)
11 table.string :locked_by # Who is working on this object (if locked)
12 table.string :queue # The name of the queue this job is in
13 table.timestamps :null => true
16 add_index :delayed_jobs, [:priority, :run_at], :name => "delayed_jobs_priority"
20 drop_table :delayed_jobs