迁移调整

5 years ago · d4fa1b1100
parent 27916c5d4e
commit d4fa1b1100
1 changed files with 1 additions and 3 deletions
--- a/db/migrate/20191203124938_add_index_to_poll_answer.rb
+++ b/db/migrate/20191203124938_add_index_to_poll_answer.rb
@ -1,8 +1,6 @@
 class AddIndexToPollAnswer < ActiveRecord::Migration[5.2]
  def change
-    remove_index :poll_votes, :poll_question_id
-    remove_index :poll_votes, :user_id
-    remove_index :poll_votes, :poll_answer_id
+    remove_index :poll_votes, column: [:poll_question_id, :user_id]

    change_column_default :poll_votes, :poll_question_id, from: nil, to: -1
    PollVote.where(poll_answer_id: nil).update_all(poll_answer_id: -1)