Copy the ColumnSpec attributes from one PersistentObject to another.
Note: If this is a subtype Domain instance then the subtype fields will
be copied as well.
Decodes an Array of Strings from an encoded String.
Note that null String[] objects are encoded as the string "'null",
so this method does not work correctly for an Array of Strings
consisting of a single String with a value of "null"
Overidden method that matches with decode().
Note that null String[] objects are encoded as the string "'null",
so this method does not work correctly for an Array of Strings
consisting of a single String with a value of "null".