diff --git a/angel_migration/lib/src/column.dart b/angel_migration/lib/src/column.dart
index 882efe24..e06438b7 100755
--- a/angel_migration/lib/src/column.dart
+++ b/angel_migration/lib/src/column.dart
@@ -12,7 +12,6 @@ class MigrationColumn extends Column {
   @override
   IndexType get indexType => _index;
 
-  @override
   get defaultValue => _defaultValue;
 
   List<MigrationColumnReference> get externalReferences =>
diff --git a/angel_orm/CHANGELOG.md b/angel_orm/CHANGELOG.md
index d08b3d35..47ca4bf1 100644
--- a/angel_orm/CHANGELOG.md
+++ b/angel_orm/CHANGELOG.md
@@ -1,6 +1,7 @@
 # 2.0.0-dev.24
 * Fix a bug that caused syntax errors on `ORDER BY`.
 * Add `pattern` to `like` on string builder. `sanitize` is optional.
+* Add `RawSql`.
 
 # 2.0.0-dev.23
 * Add `@ManyToMany` annotation, which builds many-to-many relations.
diff --git a/angel_orm/lib/src/annotations.dart b/angel_orm/lib/src/annotations.dart
index 3231bf23..567650fa 100644
--- a/angel_orm/lib/src/annotations.dart
+++ b/angel_orm/lib/src/annotations.dart
@@ -1,3 +1,16 @@
+/// A raw SQL statement that specifies a date/time default to the
+/// current time.
+const RawSql currentTimestamp = const RawSql('CURRENT_TIMESTAMP');
+
+/// Can passed to a [MigrationColumn] to default to a raw SQL expression.
+class RawSql {
+  /// The raw SQL text.
+  final String value;
+
+  const RawSql(this.value);
+}
+
+/// Canonical instance of [ORM]. Implies all defaults.
 const Orm orm = const Orm();
 
 class Orm {