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Re: How to load hive metadata from conf dir - Hive - [mail # user]
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...I'll mention another bash hack that I use all the time: hive -e 'some_command' | grep for_what_i_want | sed_command_to_remove_just_i_dont_want For example, the following command ...
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Author: Dean Wampler,
2013-02-12, 14:41
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Re: Combine multiple row values based upon a condition. - Hive - [mail # user]
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...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 ...
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Author: Dean Wampler,
2013-02-03, 14:07
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Re: The dreaded Heap Space Issue on a Transform - Hive - [mail # user]
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...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...
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Author: Dean Wampler,
2013-01-30, 16:40
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Re: ALTER TABLE CHANGE COLUMN issue - Hive - [mail # user]
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...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...
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Author: Dean Wampler,
2013-01-30, 13:51
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Re: Automating the partition creation process - Hive - [mail # user]
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...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...
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Author: Dean Wampler,
2013-01-30, 02:05
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Re: Automating the partition creation process - Hive - [mail # user]
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...This is very easy to do with a shell script and you can have cron run it nightly, say just after midnight so the year, month, and day calculation below return the correct values: #!/bi...
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Author: Dean Wampler,
2013-01-29, 16:37
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Re: A few JIRAs closed in v0.10.0 that don't actually appear to be working - Hive - [mail # user]
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...Thanks! On Tue, Jan 29, 2013 at 5:34 AM, Navis류승우 wrote: *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
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Author: Dean Wampler,
2013-01-29, 15:18
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Re: A few JIRAs closed in v0.10.0 that don't actually appear to be working - Hive - [mail # user]
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...Oh, another one is https://issues.apache.org/jira/browse/HIVE-446 - Implement TRUNCATE. The CLI doesn't recognize it. dean On Mon, Jan 28, 2013 at 11:44 AM, Dean Wamp...
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Author: Dean Wampler,
2013-01-28, 17:57
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A few JIRAs closed in v0.10.0 that don't actually appear to be working - Hive - [mail # user]
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...I've noticed a few JIRA items for new features that are supposed to work in v0.10.0, but don't appear to actually work: https://issues.apache.org/jira/browse/HIVE-3066 - Add the option...
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Author: Dean Wampler,
2013-01-28, 17:44
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Re: Cartesian product detection in the query plan? - Hive - [mail # user]
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...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...
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Author: Dean Wampler,
2013-01-28, 17:05
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