discourse/db/migrate/20220322024216_add_bookmark...

21 lines
632 B
Ruby

# frozen_string_literal: true
class AddBookmarkPolymorphicColumns < ActiveRecord::Migration[6.1]
def change
if !column_exists?(:bookmarks, :bookmarkable_id)
add_column :bookmarks, :bookmarkable_id, :integer
end
if !column_exists?(:bookmarks, :bookmarkable_type)
add_column :bookmarks, :bookmarkable_type, :string
end
if !index_exists?(:bookmarks, %i[user_id bookmarkable_type bookmarkable_id])
add_index :bookmarks,
%i[user_id bookmarkable_type bookmarkable_id],
name: "idx_bookmarks_user_polymorphic_unique",
unique: true
end
end
end