do not compute table names for abstract classes

2 files changed, 6 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index c76f98d6a0..03aea81d2c 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -624,6 +624,8 @@ module ActiveRecord #:nodoc:
 
       # Computes the table name, (re)sets it internally, and returns it.
       def reset_table_name #:nodoc:
+        return if abstract_class?
+
         self.table_name = compute_table_name
       end
 
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index fe46c00b47..bee183cc67 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1625,6 +1625,10 @@ class BasicsTest < ActiveRecord::TestCase
     assert !LooseDescendant.abstract_class?
   end
 
+  def test_abstract_class_table_name
+    assert_nil AbstractCompany.table_name
+  end
+
   def test_base_class
     assert_equal LoosePerson,     LoosePerson.base_class
     assert_equal LooseDescendant, LooseDescendant.base_class