# File kirbybase_adapter.rb, line 274
274:       def change_column(table_name, column_name, type, options = {})
275:         column_name = column_name.to_sym
276:         tbl = db.get_table(table_name.to_sym)
277:         tbl.change_column_type(column_name, native_database_types[type][:DataType])
278:         tbl.change_column_required(column_name, options[:null] == false)
279:         if options.has_key?(:default)
280:           change_column_default(table_name, column_name, options[:default])
281:         end
282:       end