Files
danbooru/db/migrate/20190827014726_add_indices_to_delayed_jobs.rb
2019-08-27 18:13:30 -05:00

13 lines
496 B
Ruby

class AddIndicesToDelayedJobs < ActiveRecord::Migration[6.0]
def up
# the production db already has this index.
add_index :delayed_jobs, :locked_at unless index_exists?(:delayed_jobs, :locked_at)
add_index :delayed_jobs, :locked_by unless index_exists?(:delayed_jobs, :locked_by)
end
def down
remove_index :delayed_jobs, :locked_at if index_exists?(:delayed_jobs, :locked_at)
remove_index :delayed_jobs, :locked_by if index_exists?(:delayed_jobs, :locked_by)
end
end