From mytable
Select id, 'mycol' as name, col1 as value
Union
Select id, 'mycol2' as name, col2 as value
Something like this might work for you?
Cheers,
Andrew
On Mon, Mar 28, 2016 at 7:53 PM, Ryan Harris < [email protected]
[[email protected]] > wrote:
collect_list(col) will give you an array with all of the data from that
column
However, the scalability of this approach will have limits.
-----Original Message-----
From: mahender bigdata [mailto:[email protected]]
Sent: Monday, March 28, 2016 5:47 PM
To: [email protected]
Subject: Best way of Unpivoting of hiva table data. Any Analytic function
for unpivoting
Hi,
Has any one implemented Unpivoting of Hive external table data. We would
like Convert Columns into Multiple Rows. We have external table, which
holds almost 2 GB of Data. is there best and quicker way of Converting
columns into Row. Any Analytic functions available in Hive to do
Unpivoting.
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