-class DiaryComments < ActiveRecord::Migration
+require "migrate"
+
+class DiaryComments < ActiveRecord::Migration[4.2]
def self.up
- create_table "diary_comments", myisam_table do |t|
- t.column "id", :bigint, :limit => 20, :null => false
- t.column "diary_entry_id", :bigint, :limit => 20, :null => false
- t.column "user_id", :bigint, :limit => 20, :null => false
- t.column "body", :text, :null => false
- t.column "created_at", :datetime, :null => false
- t.column "updated_at", :datetime, :null => false
+ create_table "diary_comments", :id => false do |t|
+ t.column "id", :bigserial, :primary_key => true, :null => false
+ t.column "diary_entry_id", :bigint, :null => false
+ t.column "user_id", :bigint, :null => false
+ t.column "body", :text, :null => false
+ t.column "created_at", :datetime, :null => false
+ t.column "updated_at", :datetime, :null => false
end
- add_primary_key "diary_comments", ["id"]
- add_index "diary_comments", ["diary_entry_id", "id"], :name => "diary_comments_entry_id_idx", :unique => true
-
- change_column "diary_comments", "id", :bigint, :limit => 20, :null => false, :options => "AUTO_INCREMENT"
+ add_index "diary_comments", %w[diary_entry_id id], :name => "diary_comments_entry_id_idx", :unique => true
end
def self.down