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Re: Location of external table in hdfs - Hive - [mail # user]
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.../tmp/states in HDFS. On Tue, Mar 5, 2013 at 10:56 AM, Sai Sai wrote: *Dean Wampler, Ph.D.* thinkbiganalytics.com +1-312-339-1330...
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Author: Dean Wampler,
2013-03-05, 17:01
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Re: Error while exporting table data from hive to Oracle through Sqoop - Hive - [mail # user]
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...that doesn't have unique keys, so it could be a data problem. On Tue, Mar 5, 2013 at 7:54 AM, Ajit Kumar Shreevastava wrote: *Dean Wampler, Ph.D.* thinkbiganalytics...
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Author: Dean Wampler,
2013-03-05, 13:58
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Re: doubt with LEFT OUTER JOIN - Hive - [mail # user]
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...None that I know of, but I haven't tried too many cases. Of course, there shouldn't be ;) On Mon, Mar 4, 2013 at 6:38 PM, kumar mr wrote: *Dean Wampler, Ph.D.* think...
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Author: Dean Wampler,
2013-03-05, 00:44
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Re: Best table storage for analytical use case - Hive - [mail # user]
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...RCFile won't help much (and apparently not all in this case ;) unless you have a lot of columns and you always query just a few of them. However, you should get better results with Sequence ...
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Author: Dean Wampler,
2013-03-04, 22:44
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Re: doubt with LEFT OUTER JOIN - Hive - [mail # user]
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...I just tried an experiment where the right-hand table was empty. It worked fine. Could you post more details, like the query, create table statements, etc? What version of Hive? On Fr...
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Author: Dean Wampler,
2013-03-01, 20:23
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Re: regexp_replace with unicode chars - Hive - [mail # user]
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...Anyone know if translate takes ranges, like some implementations? e.g., translate ('[a-z]', '[A-Z]') Of course, that probably doesn't work for non-ascii characters. On Fri,...
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Author: Dean Wampler,
2013-03-01, 17:31
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Re: regexp_replace with unicode chars - Hive - [mail # user]
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...I think this should work, but you might investigate using the translate function instead. I suspect it will provide much better performance than using regexps. Also, Are you planning to do t...
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Author: Dean Wampler,
2013-03-01, 17:08
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Re: Books and good starting point for Hive - Hive - [mail # user]
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...Wow! You guys are my new best friends! Seriously, I'm grateful you've found my participation in the list and the book helpful. I'm sure Ed and Jason would agree (at least about the boo...
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Author: Dean Wampler,
2013-02-24, 21:29
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Re: Loading json files into hive table is giving NULL as output(data is in s3 bucket) - Hive - [mail # user]
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...I don't know what changed. I didn't work on this SerDe myself. I'm glad it's working now for you, though! dean On Mon, Feb 18, 2013 at 9:31 AM, Chunky Gupta wrote: *...
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Author: Dean Wampler,
2013-02-18, 17:01
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Re: Loading json files into hive table is giving NULL as output(data is in s3 bucket) - Hive - [mail # user]
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...The "uname="$._u" is the correct form. We also hacked on this SerDe at Think Big Analytics. I don't know if you'll see an improvement though. https://github.com/thinkbiganalytics/hive-...
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Author: Dean Wampler,
2013-02-18, 12:53
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