Phoenix连接java

最新推荐文章于 2023-05-29 10:16:04 发布

原创最新推荐文章于 2023-05-29 10:16:04 发布 · 549 阅读

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博客主要围绕Phoenix连接Java展开，不过具体内容缺失，推测会涉及连接的方法、步骤、配置等信息技术相关内容，以实现Phoenix与Java的有效连接。

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      <dependency>
            <groupId>org.apache.phoenix</groupId>
            <artifactId>phoenix-core</artifactId>
            <version>4.7.0-HBase-1.1</version>
        </dependency>

import java.sql.*;

public class Phoenix {
    private static String driver = "org.apache.phoenix.jdbc.PhoenixDriver";

    public static void main(String[] args) throws SQLException {
        try {
            Class.forName(driver);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        Statement stmt = null;
        ResultSet rs = null;
        long startTime = System.currentTimeMillis();
        Connection con = DriverManager.getConnection("jdbc:phoenix:master01:2181");
        stmt = con.createStatement();
        String sql = "select * from S_INDEX limit 100000";

        rs = stmt.executeQuery(sql);
/*        while (rs.next()) {
            System.out.println("id="+ rs.getString("id")+"|name="+rs.getString("name")+"|age="+rs.getString("age")+"sex="+rs.getString("sex"));
        }*/
        long endTime = System.currentTimeMillis();
        long time = endTime - startTime;
        System.out.println("10万查询时间：" + time+"毫秒");

        stmt.close();
        con.close();
    }
}