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# frozen_string_literal: true | |
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" | |
git_source(:github) { |repo| "https://github.com/#{repo}.git" } | |
gem "rails", github: "rails/rails" | |
gem "arel", github: "rails/arel" | |
gem "sqlite3" | |
end | |
require "active_record" | |
require "minitest/autorun" | |
require "logger" | |
# This connection will do for database-independent bug reports. | |
ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:") | |
ActiveRecord::Base.logger = Logger.new(STDOUT) | |
ActiveRecord::Schema.define do | |
create_table :posts, force: true do |t| | |
t.string :body | |
end | |
create_table :comments, force: true do |t| | |
t.integer :post_id | |
t.integer :body | |
end | |
end | |
class Post < ActiveRecord::Base | |
has_many :comments | |
end | |
class Comment < ActiveRecord::Base | |
belongs_to :post | |
end | |
class BugTest < Minitest::Test | |
def test_group_key_type | |
post = Post.create!(body: "text") | |
post.comments << Comment.create!(body: 42) | |
assert_equal { 42 => 1 }, Comment.group(:body).count | |
assert_equal { 42 => 1 }, Post.joins(:comments).group("comments.body").count | |
end | |
end |
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