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Re: INSERT INTO table with STRUCT, SELECT FROM - Hive - [mail # user]
...Hmm. I tried the following hacks, but all wouldn't parse. Ideas?  I changed:    ... select struct(x,y) ...  to    ... select struct(x,y) as struct ...   .....
   Author: Dean Wampler, 2013-02-13, 19:47
Re: Change timestamp format in hive - Hive - [mail # user]
...I'll mention some workarounds, but they all add overhead:  1. Use STRING for the column, then parse it with the date functions Alexander mentioned. 2. Use STRING, then replace the offen...
   Author: Dean Wampler, 2013-02-13, 14:43
[expand - 1 more] - Re: How to load hive metadata from conf dir - Hive - [mail # user]
...But then you're writing Java code!!! The Horror!!!  ;^P  On Tue, Feb 12, 2013 at 10:53 AM, Edward Capriolo wrote:     *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-3...
   Author: Dean Wampler, 2013-02-12, 16:55
Re: Transfer Data to new location - Hive - [mail # user]
...hadoop fs -mv old_path new_path  If one new_path isn't in HDFS, use -get instead of -mv.  If you're moving Hive tables, you should then use ALTER TABLE to change the metadata. Or, ...
   Author: Dean Wampler, 2013-02-12, 16:54
Re: Combine multiple row values based upon a condition. - Hive - [mail # user]
...If you really only need to consider adjacent rows, it might just be easier to write a UDF or use streaming, where your code remembers the last record seen and emits a new record if you want ...
   Author: Dean Wampler, 2013-02-03, 14:07
Re: The dreaded Heap Space Issue on a Transform - Hive - [mail # user]
...We didn't ask yet, but to be sure, are all the slave nodes configured the same, both in terms of hardware and other apps running, if any, running on them?  On Wed, Jan 30, 2013 at 10:14...
   Author: Dean Wampler, 2013-01-30, 16:40
Re: ALTER TABLE CHANGE COLUMN issue - Hive - [mail # user]
...Right, the very important thing to remember about ALTER TABLE is that it only changes metadata about your table. It doesn't modify the data in any way. You have to do that yourself.  On...
   Author: Dean Wampler, 2013-01-30, 13:51
[expand - 1 more] - Re: Automating the partition creation process - Hive - [mail # user]
...Yes, if the only problem with my script solution is the variable number of new days, you can just add all possibilities in advance, knowing that some will be empty of content...  On Tue...
   Author: Dean Wampler, 2013-01-30, 02:05
[expand - 2 more] - Re: A few JIRAs closed in v0.10.0 that don't actually appear to be working - Hive - [mail # user]
...Thanks!  On Tue, Jan 29, 2013 at 5:34 AM, Navis류승우  wrote:     *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
   Author: Dean Wampler, 2013-01-29, 15:18
Re: Cartesian product detection in the query plan? - Hive - [mail # user]
...By the way, v0.10.0 adds a new CROSS JOIN feature, when you really intended to do one ;)  SELECT a.x, b.y FROM tablea a CROSS JOIN tableb b;    On Mon, Jan 28, 2013 at 10:58 A...
   Author: Dean Wampler, 2013-01-28, 17:05
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