com.taobao.tdhs.jdbc.sqlparser.TreeNode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tdhs-java-client Show documentation

A TDH_SOCKET Client For Java

There is a newer version: 0.4.1

/*
 * Copyright(C) 2011-2012 Alibaba Group Holding Limited
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  Authors:
 *    wentong 
 */

/**
 * (C) 2011-2012 Alibaba Group Holding Limited.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 * 
 *
 * Authors:
 *   danchen 
 *
 */
package com.taobao.tdhs.jdbc.sqlparser;

public class TreeNode {
	  //当前结点的内容
      public String node_content; 
      //类型:列名 1;操作符>,<,=,>=,<= in like is 2;value 3;条件运算符 and or 4
      public int node_type;
      //左子树
      public TreeNode left_node;
      //右子树
      public TreeNode right_node;
      //父亲
      public TreeNode parent_node;
      
      //初始化这个结点的内容
      public TreeNode()
      {
    	  node_content=null;
    	  node_type=-1;
    	  left_node=null;
    	  right_node=null;
    	  parent_node=null;
      }
      
}