4 <stmt name="create_test" sql="CREATE TABLE IF NOT EXISTS `test` (
 `id` INTEGER UNSIGNED PRIMARY KEY AUTO_INCREMENT,
 `nullable` TIMESTAMP NULL
)" kind="create" target="test" cardinality="0">
8 <stmt name="create" sql="INSERT INTO `test` (`nullable`) VALUES (
 `nullable` = CASE @nullable WHEN 0 THEN NULL ELSE @nullable END
)" kind="insert" target="test" cardinality="0">
10 <value name="nullable" type="Int"/>