连接hive
先开启
hiveserver2
然后
beeline
连接
[root@hadoop1 conf]# beeline --hiveconf hive.server2.logging.operation.level=NONE
Beeline version 1.6.3 by Apache Hive
beeline> !connect jdbc:hive2:///hadoop1:10000
Connecting to jdbc:hive2:///hadoop1:10000
Enter username for jdbc:hive2:///hadoop1:10000: root
Enter password for jdbc:hive2:///hadoop1:10000: ******
查看数据库
0: jdbc:hive2:///hadoop1:10000> show databases;
+----------------+--+
| database_name |
+----------------+--+
| default |
+----------------+--+
1 row selected (5.894 seconds)
新建数据库
0: jdbc:hive2:///hadoop1:10000> create database anasys;
0: jdbc:hive2:///hadoop1:10000> show databases;
+----------------+--+
| database_name |
+----------------+--+
| anasys |
| default |
+----------------+--+
建表
0: jdbc:hive2:///hadoop1:10000> use anasys;
0: jdbc:hive2:///hadoop1:10000> create table emp(id int, name string, job string, mgr int, hiredate string, salary double, bonus double, deptid int) row format delimited fields terminated by '\t';
0: jdbc:hive2:///hadoop1:10000> load data local inpath "/opt/files/emp.txt" into table emp;
0: jdbc:hive2:///hadoop1:10000> select * from emp;
+---------+-----------+------------+----------+---------------+-------------+------------+-------------+--+
| emp.id | emp.name | emp.job | emp.mgr | emp.hiredate | emp.salary | emp.bonus | emp.deptid |
+---------+-----------+------------+----------+---------------+-------------+------------+-------------+--+
| 7369 | SMITH | CLERK | 7902 | 1980-12-17 | 800.0 | NULL | 20 |
| 7499 | ALLEN | SALESMAN | 7698 | 1981-2-20 | 1600.0 | 300.0 | 30 |
| 7521 | WARD | SALESMAN | 7698 | 1981-2-22 | 1250.0 | 500.0 | 30 |
| 7566 | JONES | MANAGER | 7839 | 1981-4-2 | 2975.0 | NULL | 20 |
| 7654 | MARTIN | SALESMAN | 7698 | 1981-9-28 | 1250.0 | 1400.0 | 30 |
| 7698 | BLAKE | MANAGER | 7839 | 1981-5-1 | 2850.0 | NULL | 30 |
| 7782 | CLARK | MANAGER | 7839 | 1981-6-9 | 2450.0 | NULL | 10 |
| 7788 | SCOTT | ANALYST | 7566 | 1987-4-19 | 3000.0 | NULL | 20 |
| 7839 | KING | PRESIDENT | NULL | 1981-11-17 | 5000.0 | NULL | 10 |
| 7844 | TURNER | SALESMAN | 7698 | 1981-9-8 | 1500.0 | 0.0 | 30 |
| 7876 | ADAMS | CLERK | 7788 | 1987-5-23 | 1100.0 | NULL | 20 |
| 7900 | JAMAES | CLERK | 7698 | 1981-12-3 | 950.0 | NULL | 30 |
| 7902 | FORD | ANALYST | 7566 | 1981-12-3 | 3000.0 | NULL | 20 |
| 7934 | MILLER | CLERK | 7782 | 1982-1-23 | 1300.0 | NULL | 10 |
+---------+-----------+------------+----------+---------------+-------------+------------+-------------+--+
0: jdbc:hive2:///hadoop1:10000>
我编写Hql之后运行MapReduce电脑蓝屏了，使用spark计算引擎beeline闪退，上网搜闪退原因是我的spark已经集成了hive的一些东西有冲突，要安装纯净的没有hive的spark，懒得重装spark了麻烦，然后我使用spark sql操作hive是可以的，编写复杂的hql也可以运行。