Created
October 28, 2015 14:25
-
-
Save simpl1g/2932182f24147665498c to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| begin | |
| require 'bundler/inline' | |
| rescue LoadError => e | |
| $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler' | |
| raise e | |
| end | |
| gemfile(true) do | |
| source 'https://rubygems.org' | |
| gem 'activerecord', '4.2.4' | |
| gem 'sqlite3' | |
| gem 'pg' | |
| end | |
| require 'active_record' | |
| require 'minitest/autorun' | |
| require 'logger' | |
| Minitest::Test = MiniTest::Unit::TestCase unless defined?(Minitest::Test) | |
| database_configuration = { | |
| adapter: 'postgresql', | |
| database: 'rails_issues', | |
| username: 'konstantin', | |
| password: 'postgres', | |
| host: 'localhost' | |
| } | |
| adapter_tasker = ActiveRecord::Tasks::PostgreSQLDatabaseTasks.new(database_configuration.stringify_keys) | |
| adapter_tasker.drop | |
| adapter_tasker.create | |
| ActiveRecord::Schema.define do | |
| create_table :users do |t| | |
| t.string :status | |
| t.string :gender | |
| end | |
| end | |
| class User < ActiveRecord::Base | |
| scope :active, -> { where(status: :active) } | |
| scope :male, -> { where(gender: :male) } | |
| def self.custom_arel_scope | |
| # Compose two scopes and JOIN with OR | |
| where(active.male.where_values.reduce(:or)) | |
| end | |
| end | |
| class BugTest < Minitest::Test | |
| def test_pg_binding | |
| assert User.custom_arel_scope.to_a | |
| end | |
| end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment