mirror of
https://github.com/discourse/discourse.git
synced 2024-11-23 03:16:41 +08:00
30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
28 lines
723 B
Ruby
28 lines
723 B
Ruby
# frozen_string_literal: true
|
|
|
|
class CreateTopicRevisions < ActiveRecord::Migration[4.2]
|
|
def up
|
|
create_table :topic_revisions do |t|
|
|
t.belongs_to :user
|
|
t.belongs_to :topic
|
|
t.text :modifications
|
|
t.integer :number
|
|
t.timestamps null: false
|
|
end
|
|
|
|
execute "INSERT INTO topic_revisions (user_id, topic_id, modifications, number, created_at, updated_at)
|
|
SELECT user_id, versioned_id, modifications, number, created_at, updated_at
|
|
FROM versions
|
|
WHERE versioned_type = 'Topic'"
|
|
|
|
change_table :topic_revisions do |t|
|
|
t.index :topic_id
|
|
t.index [:topic_id, :number]
|
|
end
|
|
end
|
|
|
|
def down
|
|
drop_table :topic_revisions
|
|
end
|
|
end
|