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jdbc连接hive0.14

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Release: 2016-06-07 16:09:49
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Jdbc连接hive0.14版本 目前官网最新版本是hive0.13,要想下载最新的hive得去git上去clone一个。 Hive0.14最大特点是支持直接插入。 现在做一个jdbc连接hive0.14的例子。 需要的jar包: 数据库的工具类,被定义成不可继承且是私有访问 */ public final class D

Jdbc连接hive0.14版本

目前官网最新版本是hive0.13,要想下载最新的hive得去git上去clone一个。

Hive0.14最大特点是支持直接插入。

现在做一个jdbc连接hive0.14的例子。

需要的jar包:

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*/

public final class DBTool {

final private static String OPTION_FILE_NAME = "hivedatabase";

private static Connection conn;

static ResourceBundle res;

static {

res = ResourceBundle.getBundle(OPTION_FILE_NAME);

try {

String driver = res.getString("jdbc.driver");

Class.forName(driver);

} catch (ClassNotFoundException e) {

e.printStackTrace();

throw new RuntimeException(e);

}

}

/**

* 获取数据库的连接

*

* @return conn

*/

public static Connection getConnection() {

if (null == conn) {

try {

String url = res.getString("jdbc.url");

String user = res.getString("jdbc.username");

String password = res.getString("jdbc.password");

conn = DriverManager.getConnection(url, user, password);

} catch (SQLException e) {

e.printStackTrace();

throw new RuntimeException(e);

}

}

return conn;

}

/**

* 释放资源

*

* @param conn

* @param pstmt

* @param rs

*/

public static void closeJDBC(Connection conn, PreparedStatement pstmt,

ResultSet rs) {

if (null != rs) {

try {

rs.close();

} catch (SQLException e) {

e.printStackTrace();

throw new RuntimeException(e);

} finally {

if (null != pstmt) {

try {

pstmt.close();

} catch (SQLException e) {

e.printStackTrace();

throw new RuntimeException(e);

} finally {

if (null != conn) {

try {

conn.close();

} catch (SQLException e) {

e.printStackTrace();

throw new RuntimeException(e);

}

}

}

}

}

}

}

}

2.hivedatabase.properties

#hive database setting

jdbc.type=hive

jdbc.driver=org.apache.hive.jdbc.HiveDriver

jdbc.url=jdbc:hive2://192.168.2.150:10000/default

jdbc.username=hadoop

jdbc.password=

3.test是类

public class Test {

public static void main(String[] args) throws Exception {

Connection connection = DBTool.getConnection();

System.out.println(connection);}

}

如果能连接通说明你已经成功连接上hive了。

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