diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index f6321f14997ad816ba529fdae89d568d842b248a..2cf2f4acd01fb2f9b7c03cfb323aaa16f682bb5d 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -628,7 +628,7 @@ def run
       raise UnknownMigrationVersionError.new(@target_version) if target.nil?
       unless (up? && migrated.include?(target.version.to_i)) || (down? && !migrated.include?(target.version.to_i))
         target.migrate(@direction)
-        record_version_state_after_migrating(target.version)
+        record_version_state_after_migrating(target)
       end
     end
 
@@ -664,7 +664,7 @@ def migrate
         begin
           ddl_transaction do
             migration.migrate(@direction)
-            record_version_state_after_migrating(migration.version)
+            record_version_state_after_migrating(migration)
           end
         rescue => e
           canceled_msg = Base.connection.supports_ddl_transactions? ? "this and " : ""
@@ -690,16 +690,19 @@ def migrated
     end
 
     private
-      def record_version_state_after_migrating(version)
+      def record_version_state_after_migrating(target)
         table = Arel::Table.new(self.class.schema_migrations_table_name)
 
         @migrated_versions ||= []
         if down?
-          @migrated_versions.delete(version)
-          table.where(table["version"].eq(version.to_s)).delete
+          @migrated_versions.delete(target.version)
+          table.where(table["version"].eq(target.version.to_s)).delete
         else
-          @migrated_versions.push(version).sort!
-          table.insert table["version"] => version.to_s
+          @migrated_versions.push(target.version).sort!
+          table.insert(
+            table["version"]     => target.version.to_s,
+            table["migrated_at"] => Time.now
+          )
         end
       end
 
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb
index 55a24a94f34d1aa8d3099a4b3a52b3fa137c2f65..e76097d42db48203a86e9d786397e683eb9b7637 100644
--- a/activerecord/test/cases/migration_test.rb
+++ b/activerecord/test/cases/migration_test.rb
@@ -445,6 +445,43 @@ def test_create_table_without_a_block
       Person.connection.drop_table table_name rescue nil
     end
 
+    def test_create_table_with_custom_sequence_name
+      return unless current_adapter? :OracleAdapter
+
+      # table name is 29 chars, the standard sequence name will
+      # be 33 chars and fail
+      assert_raise(ActiveRecord::StatementInvalid) do
+        begin
+          Person.connection.create_table :table_with_name_thats_just_ok do |t|
+            t.column :foo, :string, :null => false
+          end
+        ensure
+          Person.connection.drop_table :table_with_name_thats_just_ok rescue nil
+        end
+      end
+
+      # should be all good w/ a custom sequence name
+      assert_nothing_raised do
+        begin
+          Person.connection.create_table :table_with_name_thats_just_ok,
+                                         :sequence_name => 'suitably_short_seq' do |t|
+            t.column :foo, :string, :null => false
+          end
+
+          Person.connection.execute("select suitably_short_seq.nextval from dual")
+
+        ensure
+          Person.connection.drop_table :table_with_name_thats_just_ok,
+                                       :sequence_name => 'suitably_short_seq' rescue nil
+        end
+      end
+
+      # confirm the custom sequence got dropped
+      assert_raise(ActiveRecord::StatementInvalid) do
+        Person.connection.execute("select suitably_short_seq.nextval from dual")
+      end
+    end
+
     # Sybase, and SQLite3 will not allow you to add a NOT NULL
     # column to a table without a default value.
     unless current_adapter?(:SybaseAdapter, :SQLite3Adapter)
@@ -1462,6 +1499,17 @@ def test_schema_migrations_table_name
       ActiveRecord::Base.table_name_suffix = ""
     end
 
+    def test_migration_row_includes_timestamp
+      conn = ActiveRecord::Base.connection
+      sm_table = ActiveRecord::Migrator.schema_migrations_table_name
+
+      ActiveRecord::Migrator.migrate(MIGRATIONS_ROOT + "/valid")
+
+      conn.select_all("SELECT * FROM #{conn.quote_table_name(sm_table)}").each do |row|
+        assert_match /^2\d\d\d-/, row["migrated_at"], "missing migrated_at"
+      end
+    end
+
     def test_proper_table_name
       assert_equal "table", ActiveRecord::Migrator.proper_table_name('table')
       assert_equal "table", ActiveRecord::Migrator.proper_table_name(:table)
@@ -2117,4 +2165,3 @@ def test_copying_migrations_to_empty_directory
     end
   end
 end
-