Reset quoted_table_name after set_table_name [#4568 state:resolved]

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

activerecord/lib/active_record/base.rb

@@ -668,7 +668,6 @@ def reset_table_name #:nodoc:
             name = "#{full_table_name_prefix}#{contained}#{undecorated_table_name(base.name)}#{table_name_suffix}"
           end
 
-        @quoted_table_name = nil
         set_table_name(name)
         name
       end
@@ -702,6 +701,7 @@ def reset_sequence_name #:nodoc:
       #     set_table_name "project"
       #   end
       def set_table_name(value = nil, &block)
+        @quoted_table_name = nil
         define_attr_method :table_name, value, &block
       end
       alias :table_name= :set_table_name

activerecord/test/cases/base_test.rb

@@ -1793,6 +1793,18 @@ def test_set_table_name_with_value
     assert_equal "bar", k.table_name
   end
 
+  def test_quoted_table_name_after_set_table_name
+    klass = Class.new(ActiveRecord::Base)
+
+    klass.set_table_name "foo"
+    assert_equal "foo", klass.table_name
+    assert_equal klass.connection.quote_table_name("foo"), klass.quoted_table_name
+
+    klass.set_table_name "bar"
+    assert_equal "bar", klass.table_name
+    assert_equal klass.connection.quote_table_name("bar"), klass.quoted_table_name
+  end
+
   def test_set_table_name_with_block
     k = Class.new( ActiveRecord::Base )
     k.set_table_name { "ks" }