给Kudu表增加字段

 package org.kududb.examples.sample;

    
  
    
 import org.apache.kudu.Type;
    
 import org.apache.kudu.client.*;
    
  
    
 public class Test_Kudu {
    
     //获取系统环境变量
    
     private static final String KUDU_MASTER = System.getProperty(
    
             "kuduMaster", "10.138.232.87");
    
  
    
     public static void main(String[] args) {
    
         System.out.println("Will try to connect to Kudu master at " + KUDU_MASTER);
    
         System.out.println("Run with -DkuduMaster=myHost:port to override.");
    
         String tableName = "test.test_kudu";
    
         KuduClient client = new KuduClient.KuduClientBuilder(KUDU_MASTER).build();
    
         //新增一列
    
         AlterTableOptions alterTableOptions = new AlterTableOptions();
    
         alterTableOptions.addNullableColumn("village", Type.STRING);
    
         try {
    
             client.alterTable(tableName, alterTableOptions);
    
             System.out.println("增加一列");
    
         } catch (Exception e) {
    
             e.printStackTrace();
    
         } finally {
    
             try {
    
                 client.shutdown();
    
             } catch (Exception e) {
    
                 e.printStackTrace();
    
             }
    
         }
    
     }
    
 }