ModelFromTable
Rails generator for generating model from exsistent tables
- Automatically generate model files from existent tables
- Set table_name and primary_key if not following Rails conventions
- Set
belongs_to :fooif table hasfoo_idcolumn
Usage
gem 'model_from_table'
$ bundle
$ rails generate model_from_table
Example
if your existent tables is below
CREATE TABLE "users" (
"id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"name" varchar(255)
);
CREATE TABLE "company" (
"id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"name" varchar(255)
);
CREATE TABLE "legacy_table" (
"code" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"name" varchar(255)
);
CREATE TABLE "song" (
"song_code" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
"user_id" integer
);run command
$ rails generate model_from_table
then, these model files will be generated
# app/models/user.rb
class User < ActiveRecord::Base
end
# app/models/company.rb
class Company < ActiveRecord::Base
self.table_name = "company"
end
# app/models/legacy_table.rb
class LegacyTable < ActiveRecord::Base
self.table_name = "legacy_table"
self.primary_key = "code"
end
# app/models/song.rb
class Song < ActiveRecord::Base
self.table_name = "song"
self.primary_key = "song_code"
belongs_to :user
endOptions
specify parent class
$ rails generate model_from_table --parent MyClass::Base
# app/models/user.rb
class User < MyClass::Base
end