@Test
public void getSelectByPrimaryKeysSql() {

	System.out.println(t.getSelectByMultiPkSql());
	assertEquals("SELECT user_id userId,user_name userName,pwd pwd FROM user WHERE user_id = :userId", t.getSelectByMultiPkSql());
	
	assertEquals("SELECT user_id userId,group_id groupId,user_name userName,pwd pwd FROM user WHERE user_id = :userId AND group_id = :groupId", multiKeySqlGenerator.getSelectByMultiPkSql());
}