impala同步hive元數據

1、登錄impala-shell

[root@node03 impala]# impala-shell
Starting Impala Shell without Kerberos authentication
Connected to node03:21000
Server version: impalad version 2.11.0-cdh5.14.0 RELEASE (build d68206561bce6b26762d62c01a78e6cd27aa7690)
***********************************************************************************
Welcome to the Impala shell.
(Impala Shell v2.11.0-cdh5.14.0 (d682065) built on Sat Jan  6 13:27:16 PST 2018)

Want to know what version of Impala you're connected to? Run the VERSION command to
find out!
***********************************************************************************
[node03:21000] >

2、同步hive元數據

[node03:21000] > invalidate metadata;  #同步hive元數據
Query: invalidate metadata
Query submitted at: 2020-04-07 18:19:11 (Coordinator: http://node03:25000)
Query progress can be monitored at: http://node03:25000/query_plan?query_id=7140a7794f1c9c69:939c1de500000000
Fetched 0 row(s) in 4.92s

[node03:21000] > show databases;  #查看同步之後的數據庫
uery: show databases
+------------------+----------------------------------------------+
| name             | comment                                      |
+------------------+----------------------------------------------+
| _impala_builtins | System database for Impala builtin functions |
| default          | Default Hive database                        |
+------------------+----------------------------------------------+
Fetched 2 row(s) in 0.01s

3、在impala-shell端創建表

create table if not exists testdata (
	id Int,
	name String
);