Mega Code Archive

 

Categories / Ruby / Active Record

 

A find_or_create_by_ dynamic finder

=begin drop database Contact; create database Contact; use Contact; CREATE TABLE Employee (    id  int unsigned not null auto_increment primary key,    Name VARCHAR(50),    Phone VARCHAR(15),    departmentId int ); CREATE TABLE Department(    id    int unsigned not null auto_increment primary key,    Name VARCHAR(50),    Phone VARCHAR(15)     ); =end require "rubygems" require "activerecord" ActiveRecord::Base.establish_connection(   :adapter => "mysql",   :host => "localhost",   :username => "root",   :database => "Contact") class Employee < ActiveRecord::Base    set_table_name "employee"    belongs_to :department end class Department < ActiveRecord::Base    set_table_name "department" end account = Employee.new account.Name = "AAA" account.save account = Employee.find_or_create_by_Name("B") puts account.destroy