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
29 lines
966 B
Ruby
29 lines
966 B
Ruby
# frozen_string_literal: true
|
|
|
|
class FixIndexOnPostActions < ActiveRecord::Migration[4.2]
|
|
def change
|
|
execute 'UPDATE post_actions SET targets_topic = false WHERE targets_topic IS NULL'
|
|
change_column :post_actions, :targets_topic, :boolean, default: false, null: false
|
|
|
|
execute '
|
|
DELETE FROM post_actions pa
|
|
USING post_actions x
|
|
WHERE pa.user_id = x.user_id AND
|
|
pa.post_action_type_id = x.post_action_type_id AND
|
|
pa.post_id = x.post_id AND
|
|
pa.targets_topic = x.targets_topic AND
|
|
pa.id < x.id AND
|
|
pa.deleted_at IS NULL AND
|
|
x.deleted_at IS NULL
|
|
'
|
|
|
|
remove_index "post_actions", name: "idx_unique_actions"
|
|
add_index "post_actions",
|
|
["user_id", "post_action_type_id",
|
|
"post_id", "targets_topic"],
|
|
name: "idx_unique_actions",
|
|
unique: true,
|
|
where: 'deleted_at IS NULL'
|
|
end
|
|
end
|