801522c5c3
This persists jobs into the database, and uses locking to ensure that workers from multiple machines avoid treading on each other. Jobs can be run by using `bundle exec rake jobs:work` Fixes #2015
22 lines
1.3 KiB
Ruby
22 lines
1.3 KiB
Ruby
class CreateDelayedJobs < ActiveRecord::Migration[5.2]
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def self.up
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create_table :delayed_jobs, :force => true do |table|
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table.integer :priority, :default => 0, :null => false # Allows some jobs to jump to the front of the queue
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table.integer :attempts, :default => 0, :null => false # Provides for retries, but still fail eventually.
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table.text :handler, :null => false # YAML-encoded string of the object that will do work
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table.text :last_error # reason for last failure (See Note below)
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table.datetime :run_at # When to run. Could be Time.zone.now for immediately, or sometime in the future.
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table.datetime :locked_at # Set when a client is working on this object
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table.datetime :failed_at # Set when all retries have failed (actually, by default, the record is deleted instead)
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table.string :locked_by # Who is working on this object (if locked)
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table.string :queue # The name of the queue this job is in
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table.timestamps :null => true
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end
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add_index :delayed_jobs, [:priority, :run_at], :name => "delayed_jobs_priority"
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end
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def self.down
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drop_table :delayed_jobs
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end
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end
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