KUDU对表操作

网上KUDU的资料很少,建议大家去下载官方文档,

http://download.csdn.net/download/m0_37534613/9772873

这是我整理好的。介绍的还是比较全的

对于KUDU删除表就直接在Linux下运行:

kudu table delete master(master的主机名) 表名


对于使用kudu1.1以及以下的用户,利用impala创建kudu表的语句为:

create table testdb.testtable1(

uuid         string,

number    int,

name       string,

sex           string

)distribute by hash(uuid) into 3 buckets,      //利用哈希根据uuid分成三个桶

Range (number) split rows(('10001'),('10002'),('10003'))      //利用number进行分区

TABLEPROPERTIES(

      'storage_handler' = 'com.cloudera.kudu.hive.KuduStorageHandler',

      'kudu.table_name' = 'testtable1',

      'kudu.master_addresses' = 'master:7051',

      'kudu.key_columns' = 'uuid'          //指定主键

);


对于使用kudu1.2的用户,利用impala建kudu表:

CREATE TABLE my_first_table
(
id BIGINT,
name STRING,
PRIMARY KEY(id)
)
PARTITION BY HASH PARTITIONS 16
STORED AS KUDU;
 


CREATE TABLE new_table
PRIMARY KEY (ts, name)
PARTITION BY HASH(name) PARTITIONS 8
STORED AS KUDU
AS SELECT ts, name, value FROM old_table;



impala+kudu支持insert select插入数据




你可能感兴趣的:(cdh,impala,kudu,hive)