57 lines
1.9 KiB
Ruby
57 lines
1.9 KiB
Ruby
#
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# Copyright (C) 2011 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class CreateDelayedJobs < ActiveRecord::Migration
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def self.connection
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Delayed::Backend::ActiveRecord::Job.connection
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end
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def self.up
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create_table :delayed_jobs do |table|
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# Allows some jobs to jump to the front of the queue
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table.integer :priority, :default => 0
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# Provides for retries, but still fail eventually.
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table.integer :attempts, :default => 0
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# YAML-encoded string of the object that will do work
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table.text :handler, :limit => 500.kilobytes
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# reason for last failure (See Note below)
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table.text :last_error
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# The queue that this job is in
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table.string :queue, :default => nil
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# When to run.
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# Could be Time.zone.now for immediately, or sometime in the future.
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table.datetime :run_at
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# Set when a client is working on this object
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table.datetime :locked_at
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# Set when all retries have failed
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table.datetime :failed_at
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# Who is working on this object (if locked)
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table.string :locked_by
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table.timestamps
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end
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add_index :delayed_jobs, [:priority, :run_at], :name => 'delayed_jobs_priority'
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add_index :delayed_jobs, [:queue], :name => 'delayed_jobs_queue'
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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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