Modify Ruby on Rails ActiveRecord Default Primary Keys from BIGINT to INTEGER
Rails5.1 or later is Breaking Changed ActiveRecord Default Primary Keys to BIGINT on MySQL and PostgreSQL. here a reset the Default Primary Key to an INTEGER.
modify application model generator config
module ModifyRailsActiverecordPrimaryKey
class Application < Rails::Application
......
......
......
config.generators do |generator|
generator.orm :active_record, primary_key_type: :integer
end
end
end- Hoge Model
- primary key is bigint
- Foo Model
- primary key is integer
$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 5.7.15 Homebrew
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> use modify-rails-activerecord-primary-key_development;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show create table hoges;
+-------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+-------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| hoges | CREATE TABLE `hoges` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`created_at` datetime NOT NULL,
`updated_at` datetime NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
+-------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> show create table foos;
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| foos | CREATE TABLE `foos` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`created_at` datetime NOT NULL,
`updated_at` datetime NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 |
+-------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql>$ git log -p config/application.rb
commit f7d30da45f2fab369d4833038b2b8f9ed47e8aa1
Author: teitei-tk <[email protected]>
Date: Mon Jun 11 23:02:32 2018 +0900
modify default primary Keys from BIGINT to INTEGER
diff --git a/config/application.rb b/config/application.rb
index e402c24..7d55d27 100644
--- a/config/application.rb
+++ b/config/application.rb
commit f7d30da45f2fab369d4833038b2b8f9ed47e8aa1
Author: teitei-tk <[email protected]>
Date: Mon Jun 11 23:02:32 2018 +0900
modify default primary Keys from BIGINT to INTEGER
diff --git a/config/application.rb b/config/application.rb
index e402c24..7d55d27 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -15,5 +15,9 @@ module ModifyRailsActiverecordPrimaryKey
# Application configuration can go into files in config/initializers
# -- all .rb files in that directory are automatically loaded after loading
# the framework and any gems in your application.
+
+ config.generators do |generator|
+ generator.orm :active_record, primary_key_type: :integer
+ end
end
end
commit 1a4d8ae7db3f832e4fb9c300f3d12be348eb2c97
Author: teitei-tk <[email protected]>
Date: Mon Jun 11 22:57:00 2018 +0900
install Rails 5.2 via Ruby 2.5.0
diff --git a/config/application.rb b/config/application.rb
new file mode 100644
index 0000000..e402c24
--- /dev/null
+++ b/config/application.rb
@@ -0,0 +1,19 @@
+require_relative 'boot'
+
+require 'rails/all'
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+module ModifyRailsActiverecordPrimaryKey
+ class Application < Rails::Application
+ # Initialize configuration defaults for originally generated Rails version.
+ config.load_defaults 5.2
+
+ # Settings in config/environments/* take precedence over those specified here.
+ # Application configuration can go into files in config/initializers
+ # -- all .rb files in that directory are automatically loaded after loading
+ # the framework and any gems in your application.
+ end
+end
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent