From b7d229d1fabbd271fd37e9f4eac316a44d690842 Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Sun, 10 Jul 2016 11:42:51 +0900
Subject: Correctly return `associated_table` when `associated_with?` is true

`AssociationQueryHandler` requires `association` initialized
`TableMetadata` even if `table_name == arel_table.name`.

Fixes #25689.
---
 .../cases/associations/has_and_belongs_to_many_associations_test.rb | 6 ++++++
 activerecord/test/models/user.rb                                    | 6 ++++++
 activerecord/test/schema/schema.rb                                  | 5 +++++
 3 files changed, 17 insertions(+)

(limited to 'activerecord/test')

diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
index 1bbca84bb2..2b1a41ba7e 100644
--- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
@@ -19,6 +19,7 @@ require 'models/professor'
 require 'models/treasure'
 require 'models/price_estimate'
 require 'models/club'
+require 'models/user'
 require 'models/member'
 require 'models/membership'
 require 'models/sponsor'
@@ -995,4 +996,9 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
       Project.first.developers_required_by_default.create!(name: "Sean", salary: 50000)
     end
   end
+
+  def test_association_name_is_the_same_as_join_table_name
+    user = User.create!
+    assert_nothing_raised { user.jobs_pool.clear }
+  end
 end
diff --git a/activerecord/test/models/user.rb b/activerecord/test/models/user.rb
index f5dc93e994..97107a35a0 100644
--- a/activerecord/test/models/user.rb
+++ b/activerecord/test/models/user.rb
@@ -1,6 +1,12 @@
+require 'models/job'
+
 class User < ActiveRecord::Base
   has_secure_token
   has_secure_token :auth_token
+
+  has_and_belongs_to_many :jobs_pool,
+    class_name: Job,
+    join_table: 'jobs_pool'
 end
 
 class UserWithNotification < User
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index 2f2993ce18..a5155e9cdb 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -390,6 +390,11 @@ ActiveRecord::Schema.define do
     t.integer :ideal_reference_id
   end
 
+  create_table :jobs_pool, force: true, id: false do |t|
+    t.references :job, null: false, index: true
+    t.references :user, null: false, index: true
+  end
+
   create_table :keyboards, force: true, id: false do |t|
     t.primary_key :key_number
     t.string      :name
-- 
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