discourse/db/migrate/20140815191556_fix_post_actions_index_again.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
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
2019-05-13 09:31:32 +08:00

14 lines
470 B
Ruby

# frozen_string_literal: true
class FixPostActionsIndexAgain < ActiveRecord::Migration[4.2]
def change
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 AND disagreed_at IS NULL AND deferred_at IS NULL'
end
end