diff --git a/History.txt b/History.txt
index da15194..9efe9a9 100644
--- a/History.txt
+++ b/History.txt
@@ -1,5 +1,7 @@
 == 0.8.x (in git)
 
+  * ActiveRecord truncation strategy caches the list of tables #130 (Petteri Räty)
+
 == 0.8.0 2012-06-02
 
   * Support for Mongoid 3/Moped (Andrew Bennett)
diff --git a/lib/database_cleaner/active_record/truncation.rb b/lib/database_cleaner/active_record/truncation.rb
index aa492f1..3c62d1d 100755
--- a/lib/database_cleaner/active_record/truncation.rb
+++ b/lib/database_cleaner/active_record/truncation.rb
@@ -13,6 +13,11 @@ module ActiveRecord
         @views ||= select_values("select table_name from information_schema.views where table_schema = '#{current_database}'") rescue []
       end
 
+      def database_cleaner_table_cache
+        # the adapters don't do caching (#130) but we make the assumption that the list stays the same in tests
+        @database_cleaner_tables ||= tables
+      end
+
       def truncate_table(table_name)
         raise NotImplementedError
       end
@@ -137,7 +142,7 @@ module DatabaseCleaner::ActiveRecord
     private
 
     def tables_to_truncate(connection)
-       (@only || connection.tables) - @tables_to_exclude - connection.views
+      (@only || connection.database_cleaner_table_cache) - @tables_to_exclude - connection.views
     end
 
     # overwritten
diff --git a/spec/database_cleaner/active_record/truncation_spec.rb b/spec/database_cleaner/active_record/truncation_spec.rb
index 71c1587..0ad7895 100644
--- a/spec/database_cleaner/active_record/truncation_spec.rb
+++ b/spec/database_cleaner/active_record/truncation_spec.rb
@@ -30,14 +30,14 @@ module DatabaseCleaner
       end
 
       it "should truncate all tables except for schema_migrations" do
-        connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
+        connection.stub!(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
         
         connection.should_receive(:truncate_tables).with(['widgets', 'dogs'])
         Truncation.new.clean
       end
 
       it "should only truncate the tables specified in the :only option when provided" do
-        connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
+        connection.stub!(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
 
         connection.should_receive(:truncate_tables).with(['widgets'])
 
@@ -45,7 +45,7 @@ module DatabaseCleaner
       end
 
       it "should not truncate the tables specified in the :except option" do
-        connection.stub!(:tables).and_return(%w[schema_migrations widgets dogs])
+        connection.stub!(:database_cleaner_table_cache).and_return(%w[schema_migrations widgets dogs])
 
         connection.should_receive(:truncate_tables).with(['dogs'])
 
@@ -63,7 +63,7 @@ module DatabaseCleaner
       end
 
       it "should not truncate views" do
-        connection.stub!(:tables).and_return(%w[widgets dogs])
+        connection.stub!(:database_cleaner_table_cache).and_return(%w[widgets dogs])
         connection.stub!(:views).and_return(["widgets"])
 
         connection.should_receive(:truncate_tables).with(['dogs'])