canvas-lms/db/migrate/20120608191051_add_jobs_run...

18 lines
376 B
Ruby

class AddJobsRunAtIndex < ActiveRecord::Migration
tag :predeploy
disable_ddl_transaction!
def self.connection
Delayed::Backend::ActiveRecord::Job.connection
end
def self.up
add_index :delayed_jobs, %w[run_at tag], :algorithm => :concurrently
end
def self.down
remove_index :delayed_jobs, :name => "index_delayed_jobs_on_run_at_and_tag"
end
end