package com.taobao.tddl.optimizer.core.expression;
/**
* 代表一个列信息，非函数列
*
* @author jianxing <jianxing.qx@taobao.com>
* @author whisper
* @author <a href="jianghang.loujh@taobao.com">jianghang</a>
* @since 5.0.0
*/
public interface IColumn extends ISelectable<IColumn> {
public static final String STAR = "*";
}