Remove cascading deletes, add another foreign key, and switch index around.
[rails.git] / db / migrate / 049_improve_changeset_user_index.rb
1 class ImproveChangesetUserIndex < ActiveRecord::Migration[5.0]
2   def self.up
3     add_index :changesets, [:user_id, :id], :name => "changesets_user_id_id_idx"
4     remove_index :changesets, :name => "changesets_user_id_idx"
5   end
6
7   def self.down
8     add_index :changesets, [:user_id], :name => "changesets_user_id_idx"
9     remove_index :changesets, :name => "changesets_user_id_id_idx"
10   end
11 end