mirror of
https://github.com/discourse/discourse.git
synced 2025-03-09 14:34:35 +00:00
16 lines
358 B
Ruby
16 lines
358 B
Ruby
# frozen_string_literal: true
|
|
|
|
class AddIndexToNotifications < ActiveRecord::Migration[6.0]
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
if !index_exists?(:notifications, %i[topic_id post_number])
|
|
add_index :notifications, %i[topic_id post_number], algorithm: :concurrently
|
|
end
|
|
end
|
|
|
|
def down
|
|
raise ActiveRecord::IrreversibleMigration
|
|
end
|
|
end
|