Hive Server 2 安装部署测试
Hive 0.11 包含了Hive Server 1 和 Hive Server 2，还包含1的原因是为了做到向下兼容性。从长远来看都会以Hive Server 2作为首选
import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.ResultSetMetaData;import java.sql.SQLException;import java.sql.Statement;public class HiveTest {public static void main(String[] args) throws SQLException {try {Class.forName("org.apache.hive.jdbc.HiveDriver");} catch (ClassNotFoundException e) {e.printStackTrace();}Connection conn = DriverManager.getConnection("jdbc:hive2://test84.hadoop:10000/default;principal=hadoop/test84.hadoop@DIANPING.COM","", "");Statement stmt = conn.createStatement();String sql = "select * from abc";System.out.println("Running: " + sql);ResultSet res = stmt.executeQuery(sql);ResultSetMetaData rsmd = res.getMetaData();int columnCount = rsmd.getColumnCount();for (int i = 1; i <= columnCount; i++) {System.out.println(rsmd.getColumnTypeName(i) + ":"+ rsmd.getColumnName(i));}while (res.next()) {System.out.println(String.valueOf(res.getInt(1)) + "\t"+ res.getString(2));}}}