Created 02-01-2016 10:33 PM
My first step was to create an ORC table on Hive with the same schema as the one imported on hdp :
CREATE TABLE IF NOT EXISTS orcemployees( emp_no int, birth_date date, first_name string, last_name string, gender string, hire_date date) STORED AS ORC;
My second step was to copy the data from employees into orcemployees:
insert into table orcemployees select * from employees;
The problem is when I execute select * from orcemployees; the schema is displayed and not the associated data.
Created 02-02-2016 03:13 PM
your error says you don't have permissions for admin user on that folder. You need to
sudo -u hdfs hdfs dfs -chown -R admin:hdfs /tmp/task/employees
OR
sudo -u hdfs hdfs dfs -chmod -R 777 /tmp/task/employees
Created 02-02-2016 05:20 PM
@Artem Ervits -- How can I set primary key and reference foreign keys while creating a table / extrenal table in hive?
I'm getting the following error:
Created 02-02-2016 05:22 PM
@keerthana gajarajakumar please open a new thread as this is a new question.
Created 02-02-2016 05:27 PM
ok @Artem Ervits -- i just posted a question for this.
Created 02-12-2016 07:41 AM
This tutorial walks you through the process of creating Hive ORC table from existing Hive table using Ambari Hive User View: