rg>>
Date: Friday, December 11, 2015 at 3:07 PM
To: "user@hive.apache.org<mailto:user@hive.apache.org>"
mailto:user@hive.apache.org>>
Subject: RE: Adding a new column to a table and updating it
Thanks Eugene
So basically as I understand when a column can be added to an
er@hive.apache.org <mailto:user@hive.apache.org> "
mailto:user@hive.apache.org> >
Date: Friday, December 11, 2015 at 12:56 AM
To: "user@hive.apache.org <mailto:user@hive.apache.org> "
mailto:user@hive.apache.org> >
Subject: Adding a new column to a table and updat
>
Date: Friday, December 11, 2015 at 12:56 AM
To: "user@hive.apache.org<mailto:user@hive.apache.org>"
mailto:user@hive.apache.org>>
Subject: Adding a new column to a table and updating it
I can use Hive to add a new column to an existing table (it is an ORC
transactional tab
I can use Hive to add a new column to an existing table (it is an ORC
transactional table) with data in it.
Example:
hive> alter table t add columns (new_col varchar(30));
OK
Now that column is created with NULL value. The operation is fast as the DDL
in metadata is altered.
Howeve