canvas-lms/db/migrate/20110610213249_optimize_del...

60 lines
1.9 KiB
Ruby

#
# Copyright (C) 2011 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
class OptimizeDelayedJobs < ActiveRecord::Migration[4.2]
tag :predeploy
def self.connection
Delayed::Backend::ActiveRecord::Job.connection
end
def self.up
create_table :failed_jobs do |t|
t.integer "priority", :default => 0
t.integer "attempts", :default => 0
t.string "handler", :limit => 512000
t.integer "original_id", :limit => 8
t.text "last_error"
t.string "queue"
t.datetime "run_at"
t.datetime "locked_at"
t.datetime "failed_at"
t.string "locked_by"
t.datetime "created_at"
t.datetime "updated_at"
t.string "tag"
t.integer "max_attempts"
t.string "strand"
end
remove_index :delayed_jobs, :name => 'get_delayed_jobs_index'
remove_index :delayed_jobs, [:strand]
add_index :delayed_jobs, %w(run_at queue locked_at strand priority), :name => 'index_delayed_jobs_for_get_next'
add_index :delayed_jobs, %w(strand id), :name => 'index_delayed_jobs_on_strand'
# move all failed jobs to the new failed table
Delayed::Backend::ActiveRecord::Job.where("failed_at IS NOT NULL").find_each do |job|
job.fail! unless job.on_hold?
end
end
def self.down
raise ActiveRecord::IrreversibleMigration
end
end