Contents

class CreateDelayedJobs < Cardio::Migration::Schema
  def self.up
    create_table :delayed_jobs, force: true do |table|
      table.integer :priority, default: 0, null: false # Allows some jobs to jump to the front of the queue
      table.integer :attempts, default: 0, null: false # Provides for retries, but still fail eventually.
      table.text :handler,                 null: false # YAML-encoded string of the object that will do work
      table.text :last_error                           # reason for last failure (See Note below)
      table.datetime :run_at                           # When to run. Could be Time.zone.now for immediately, or sometime in the future.
      table.datetime :locked_at                        # Set when a client is working on this object
      table.datetime :failed_at                        # Set when all retries have failed (actually, by default, the record is deleted instead)
      table.string :locked_by                          # Who is working on this object (if locked)
      table.string :queue                              # The name of the queue this job is in
      table.timestamps null: true
    end

    add_index :delayed_jobs, %i[priority run_at], name: "delayed_jobs_priority"
  end

  def self.down
    drop_table :delayed_jobs
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
card-1.108.1	mod/core/data/schema/20170908114442_create_delayed_jobs.rb
card-1.108.0	mod/core/data/schema/20170908114442_create_delayed_jobs.rb
card-1.107.0	mod/core/data/schema/20170908114442_create_delayed_jobs.rb
card-1.106.0	mod/core/data/schema/20170908114442_create_delayed_jobs.rb