hbase之namespace
作者:互联网
查看namespace
hbase(main):008:0> list_namespace NAMESPACE default hbase test 3 row(s) Took 0.0327 seconds
default
:创建表时未指定命名空间的话默认挂在default
下。
查看namespace所有表
hbase(main):009:0> list_namespace_tables "test" TABLE test user_table 2 row(s) Took 0.0300 seconds => ["test", "user_table"]
创建namespace
hbase(main):010:0> create_namespace "test" Took 0.2781 seconds
hbase(main):018:0> create_namespace "test", {"author"=>"test", "create_time"=>"2020-01-4 17:51:53"} Took 0.2262 seconds
查看namespace信息
describe_namespace "test"
修改namespace
alter_namespace "test", {METHOD=>"set", "author"=>"wuzhiyong"}
alter_namespace "test", {METHOD=>"set", "email"=>"1154365135@qq.com"}
alter_namespace "test", {METHOD=>"unset", NAME=>"email"}
删除namespace
drop_namespace "test"
注意要删除的
namespace
必须是空的,其下没有表,否则会删除失败.
创建表时指定namespace
create "test:user", "f"
标签:create,namespace,Took,test,hbase,main 来源: https://blog.51cto.com/u_11208806/2855131