1 files changed, 21 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb
new file mode 100644
index 0000000000..97b4fd3d08
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/uuid.rb
@@ -0,0 +1,21 @@
+module ActiveRecord
+  module ConnectionAdapters
+    module PostgreSQL
+      module OID # :nodoc:
+        class Uuid < Type::Value # :nodoc:
+          ACCEPTABLE_UUID = %r{\A\{?([a-fA-F0-9]{4}-?){8}\}?\z}x
+
+          alias_method :type_cast_for_database, :type_cast_from_database
+
+          def type
+            :uuid
+          end
+
+          def type_cast(value)
+            value.to_s[ACCEPTABLE_UUID, 0]
+          end
+        end
+      end
+    end
+  end
+end