mirror of
https://github.com/discourse/discourse.git
synced 2024-12-01 04:53:51 +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
24 lines
640 B
Ruby
24 lines
640 B
Ruby
# frozen_string_literal: true
|
|
|
|
class AddTopicCustomFields < ActiveRecord::Migration[4.2]
|
|
def change
|
|
create_table :topic_custom_fields do |t|
|
|
t.integer :topic_id, null: false
|
|
t.string :name, limit: 256, null: false
|
|
t.text :value
|
|
t.timestamps null: false
|
|
end
|
|
|
|
add_index :topic_custom_fields, [:topic_id, :name]
|
|
|
|
# migrate meta_data into custom fields
|
|
execute <<-SQL
|
|
INSERT INTO topic_custom_fields(topic_id, name, value)
|
|
SELECT id, (each(meta_data)).key, (each(meta_data)).value
|
|
FROM topics WHERE meta_data <> ''
|
|
SQL
|
|
|
|
remove_column :topics, :meta_data
|
|
end
|
|
end
|