基于idea操作hbase数据库并映射到hive表

  <property>
    <name>hive.zookeeper.quorum</name>
    <value>192.168.255.159</value>
  </property>
  <property>
    <name>hbase.zookeeper.quorum</name>
    <value>192.168.255.159</value>
  </property>
  <property>
    <name>hive.aux.jars.path</name>
    <value>file:///opt/soft/hive312/lib/hive-hbase-handler-3.1.2.jar,file:///opt/soft/hive312/lib/zookeeper-3.4.6.jar,file:///opt/soft/hive312/lib/hbase-client-2.3.5.jar,file:///opt/soft/hive312/lib/hbase-common-2.3.5-tests.jar,file:///opt/soft/hive312/lib/hbase-server-2.3.5.jar,file:///opt/soft/hive312/lib/hbase-common-2.3.5.jar,file:///opt/soft/hive312/lib/hbase-protocol-2.3.5.jar,file:///opt/soft/hive312/lib/htrace-core-3.2.0-incubating.jar</value>
  </property>

#启动hadoop
[root@siwen lib]# start-all.sh
#启动zookeeper
[root@siwen lib]# zkServer.sh start
#启动hbase
[root@siwen lib]# start-hbase.sh
#启动hive
[root@siwen lib]# nohup hive --service metastore &
[root@siwen lib]# nohup hive --service hiveserver2 &

<dependency>
      <groupId>org.apache.hbase</groupId>
      <artifactId>hbase-client</artifactId>
      <version>2.3.5</version>
    </dependency>
    <dependency>
      <groupId>org.apache.hbase</groupId>
      <artifactId>hbase-server</artifactId>
      <version>2.3.5</version>
    </dependency>

    //定义一个config，用于获取配置对象
    static Configuration config = null;
    //获取连接
    private Connection conn = null;
    Admin admin = null;
 
    @Before
    public void init() throws IOException {
        //配置hbase信息，连接hbase数据库
        config = HBaseConfiguration.create();
        config.set(HConstants.HBASE_DIR, "hdfs://192.168.255.159:9000/hbase");
        config.set(HConstants.ZOOKEEPER_QUORUM, "192.168.255.159");
        config.set(HConstants.CLIENT_PORT_STR, "2181");
        //hbase连接工厂
        conn = ConnectionFactory.createConnection(config);
        //拿到admin
        admin = conn.getAdmin();
    }

    @After
    public void close() throws IOException {
        System.out.println("执行close()方法");
        if (admin!=null)
            admin.close();
        if (conn!=null)
            conn.close();
    }

    @Test
    public void createNameSpace() throws IOException {
        NamespaceDescriptor bigdata = NamespaceDescriptor.create("bigdata").build();
        #执行创建对象
        admin.createNamespace(bigdata); 
    }

    @Test
    public void createTable() throws IOException {
        //创建表的描述类
        TableName tableName = TableName.valueOf("bigdata:student");
        //获取表格描述器
        HTableDescriptor desc = new HTableDescriptor(tableName);
 
        //创建列族的描述，添加列族
        HColumnDescriptor family1 = new HColumnDescriptor("info1");
        HColumnDescriptor family2 = new HColumnDescriptor("info2");
        desc.addFamily(family1);
        desc.addFamily(family2);
 
        admin.createTable(desc);*/

    @Test
    public void getAllNamespace() throws IOException {
        List<TableDescriptor> tableDesc = admin.listTableDescriptorsByNamespace("bigdata".getBytes());
        System.out.println(tableDesc.toString());
    }

   @Test
   public void insertData() throws IOException {
        //获取表的信息
        Table table = conn.getTable(TableName.valueOf("bigdata:student"));
        //设置行键
        Put put = new Put(Bytes.toBytes("student1"));
        //设置列的标识以及列值
        put.addColumn("info1".getBytes(), "name".getBytes(), "zs".getBytes());
        put.addColumn("info2".getBytes(), "school".getBytes(), "xwxx".getBytes());
        //执行添加
        table.put(put);
 
        //使用集合添加数据
        Put put2 = new Put(Bytes.toBytes("student2"));
        put2.addColumn("info1".getBytes(), "name".getBytes(), "zss".getBytes());
        put2.addColumn("info2".getBytes(), "school".getBytes(), "xwxx".getBytes());
        Put put3 = new Put(Bytes.toBytes("student3"));
        put3.addColumn("info1".getBytes(), "name".getBytes(), "zsr".getBytes());
        put3.addColumn("info2".getBytes(), "school".getBytes(), "xwxx".getBytes());
        List<Put> list = new ArrayList<>();
        list.add(put2);
        list.add(put3);
        table.put(list);
    }

    #查询student1的信息
    @Test
    public void queryData() throws IOException {
        Table table = conn.getTable(TableName.valueOf("bigdata:student"));
        Get get = new Get(Bytes.toBytes("student1"));
        Result result = table.get(get);
        byte[] value = result.getValue(Bytes.toBytes("info1"), Bytes.toBytes("name"));
        System.out.println("姓名："+Bytes.toString(value));
        value = result.getValue(Bytes.toBytes("info2"), Bytes.toBytes("school"));
        System.out.println("学校："+Bytes.toString(value));
    }

    @Test
    public void scanData() throws IOException {
        Table table = conn.getTable(TableName.valueOf("kb21:student"));
        Scan scan = new Scan();
        ResultScanner scanner = table.getScanner(scan);
        for (Result result : scanner) {
            byte[] value = result.getValue(Bytes.toBytes("info1"), Bytes.toBytes("name"));
            System.out.println("姓名："+Bytes.toString(value));
            value = result.getValue(Bytes.toBytes("info2"), Bytes.toBytes("school"));
            System.out.println("学校："+Bytes.toString(value));
            System.out.println(Bytes.toString(result.getRow()));
        }
    }

     @Test
    public void deleteTable() throws IOException {
        //先禁用
        admin.disableTable(TableName.valueOf("bigdata:student"));
        //再删除
        admin.deleteTable(TableName.valueOf("bigdata:student"));
    }

create external table student(
    id string,
    name string,
    school string
)
stored by 'org.apache.hadoop.hive.hbase.HBaseStorageHandler' with
serdeproperties ("hbase.columns.mapping"=":key,info1:name,info2:school")
tblproperties ("hbase.table.name"="bigdata:student");

select * from student