diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 2e2d50ccf4ef913aefa6d8587f7b69973044208c..29ecd83ba0b6542fbe0d061174ddeb0f8659a3f4 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -623,6 +623,19 @@ def columns(table_name, name = nil)
         end
       end
 
+      # Returns the current database name.
+      def current_database
+        query('select current_database()')[0][0]
+      end
+
+      # Returns the current database encoding format.
+      def encoding
+        query(<<-end_sql)[0][0]
+          SELECT pg_encoding_to_char(pg_database.encoding) FROM pg_database
+          WHERE pg_database.datname LIKE '#{current_database}'
+        end_sql
+      end
+
       # Sets the schema search path to a string of comma-separated schema names.
       # Names beginning with $ have to be quoted (e.g. $user => '$user').
       # See: http://www.postgresql.org/docs/current/static/ddl-schemas.html
diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 11f98705346f51f903cf73b73c6ea617ec6e9fc4..04770646b25da04b1ddf30493ad2748de06fb4e9 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -65,6 +65,12 @@ def test_show_nonexistent_variable_returns_nil
     end
   end
 
+  if current_adapter?(:PostgreSQLAdapter)
+    def test_encoding
+      assert_not_nil @connection.encoding
+    end
+  end
+
   def test_table_alias
     def @connection.test_table_alias_length() 10; end
     class << @connection
diff --git a/cleanlogs.sh b/cleanlogs.sh
deleted file mode 100755
index a4e6baf0df45e850873196214b590ac9afb7aa2e..0000000000000000000000000000000000000000
--- a/cleanlogs.sh
+++ /dev/null
@@ -1 +0,0 @@
-rm activerecord/debug.log activerecord/test/debug.log actionpack/debug.log activeresource/test/debug.log
diff --git a/railties/lib/tasks/databases.rake b/railties/lib/tasks/databases.rake
index 87934c295e937f23581d1c97d7eb8e2926534c4b..5ec712a02dbbacb3d1e4fa32d905275c5e727b14 100644
--- a/railties/lib/tasks/databases.rake
+++ b/railties/lib/tasks/databases.rake
@@ -141,6 +141,9 @@ namespace :db do
     when 'mysql'
       ActiveRecord::Base.establish_connection(config)
       puts ActiveRecord::Base.connection.charset
+    when 'postgresql'
+      ActiveRecord::Base.establish_connection(config)
+      puts ActiveRecord::Base.connection.encoding
     else
       puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
     end