Remove default values from id columns

[rails.git] / db / migrate / 010_diary_comments.rb

diff --git a/db/migrate/010_diary_comments.rb b/db/migrate/010_diary_comments.rb
index be07d851ae96cfd4918b5ebb4d2c3d2130384ff8..15730bd8e325ce9f608f7fccda1c481f81bf2d3c 100644 (file)
--- a/db/migrate/010_diary_comments.rb
+++ b/db/migrate/010_diary_comments.rb
@@ -1,18 +1,15 @@
-class DiaryComments < ActiveRecord::Migration
+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