Hive JDBC 操作 例子

Posted 2020-09-30 代号菜鸟

pom.xml配置

<dependency>
            <groupId>org.apache.hive</groupId>
            <artifactId>hive-jdbc</artifactId>
            <version>0.13.1</version>
 </dependency>

测试例程

 1 import org.junit.Test;
 2 
 3 import java.sql.SQLException;
 4 import java.sql.Connection;
 5 import java.sql.ResultSet;
 6 import java.sql.Statement;
 7 import java.sql.DriverManager;
 8 
 9 /**
10  * Created by Administrator on 2017/7/29.
11  */
12 public class TestHiveJDBC {
13 
14     private static String driverName = "org.apache.hive.jdbc.HiveDriver";
15 
16     @Test
17     public void TestConnection() throws SQLException {
18         try {
19             Class.forName(driverName);
20         } catch (ClassNotFoundException e) {
21             // TODO Auto-generated catch block
22             e.printStackTrace();
23             System.exit(1);
24         }
25         Connection con = null;
26         Statement stmt = null;
27         try{
28             con = DriverManager.getConnection("jdbc:hive2://hadoop-senior.jason.com:10000/db_hive", "jason", "abc123");
29             stmt = con.createStatement();
30             // show tables
31             String sql = "select * from bf_log_20170712";
32             ResultSet res = stmt.executeQuery(sql);
33             while(res.next()){
34                 System.out.println("ip: "+res.getString(1)+" name: "+res.getString(2)+" website: "+res.getString(3));
35         }
36         }catch(SQLException e){
37             e.printStackTrace();
38         }finally {
39             stmt.close();
40             con.close();
41         }
42     }
43 
44 }