zoukankan      html  css  js  c++  java
  • HBase笔记--编程实战

    HBase总结:http://blog.csdn.net/lifuxiangcaohui/article/details/39997205  (very good)

    Spark使用Java读取hbase: http://my.oschina.net/132722/blog/196350

    HBase dao:http://www.xuebuyuan.com/2047942.html

    HBase Scan类用法: http://www.cnblogs.com/linjiqin/archive/2013/06/05/3118921.html

    HBase Qualifier 和 Family的区别:http://blog.csdn.net/wkwanglei/article/details/43988109

    Java操作HBase:http://www.cnblogs.com/ylqmf/archive/2012/02/18/2357537.html
    HBase基本操作详解:http://blog.csdn.net/linlinv3/article/details/45393471

    public static void QueryByCondition2(String tableName) {
            System.out.println("QueryByCondition2");
            try {
                HTable table = new HTable(configuration, tableName);
                Filter filter = new SingleColumnValueFilter(
                        Bytes.toBytes("column1"), null, CompareOp.EQUAL,
                        Bytes.toBytes("aaa")); // 当列column1的值为aaa时进行查询
                Scan s = new Scan();
                s.setFilter(filter);
                ResultScanner rs = table.getScanner(s);
                for (Result r : rs) {
                    System.out.println("获得到rowkey:" + new String(r.getRow()));                
                    for(Cell cell : r.rawCells()){
                        System.out.println("cell列:"+new String(CellUtil.cloneFamily(cell))
                                + "====cell值:"+new String(CellUtil.cloneValue(cell)));
                    }
                    for (KeyValue keyValue : r.raw()) {
                        System.out.println("列:" + new String(keyValue.getFamily())
                                + "====值:" + new String(keyValue.getValue()));
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    View Code

    Hive和HBase区别:http://www.cnblogs.com/justinzhang/p/4273470.html

  • 相关阅读:
    css3 animate 和关键帧 @-webkit-keyframes
    CSS3 线性渐变(linear-gradient)
    css3 transition平滑过渡
    css3 变形设计涂鸦墙
    css3 图片翻转效果
    溢出隐藏
    顺序表的实现
    数论学习
    从BF算法到kmp算法详解
    王红梅、胡明、王涛编著的《数据结构c++》(第二版)模板类链表超详细代码
  • 原文地址:https://www.cnblogs.com/gnivor/p/5002884.html
Copyright © 2011-2022 走看看