Re: update a hive table

2012-03-17 Thread Appan Thirumaligai
create a new table and copy the data from your source table by doing lower(col1), drop the old table and rename the new table to old table. On Fri, Mar 16, 2012 at 3:56 AM, Richard wrote: > if I wang to update a table, e.g, > > insert overwrite table mytable > select lower(col1), col2, col3 from

Re: update a hive table

2012-03-16 Thread Bejoy Ks
zed query. Hope it helps!... Regards Bejoy.K.S From: Bejoy Ks To: "user@hive.apache.org" Sent: Friday, March 16, 2012 5:56 PM Subject: Re: update a hive table Hey Richard          First, don't treat hive as a database. Hive is just an interfac

Re: update a hive table

2012-03-16 Thread Bejoy Ks
Hey Richard          First, don't treat hive as a database. Hive is just an interface above map reduce that help you write SQL like queries that inturn is converted to MR jobs. Saying that hive doesn't support update.  If you are just experimenting, the query that you wrote would overwrite a who