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Re: Set difference in Hive - Hive - [mail # user]
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...do an outer join on user and filter on name.user is null Rakesh Setty wrote:...
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Author: Amr Awadallah,
2009-06-29, 23:14
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Re: OutOfMemory when doing map-side join - Hive - [mail # user]
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...hmm, that is a 100KB per my math. 20K * 100K = 2GB Ashish Thusoo wrote:...
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Author: Amr Awadallah,
2009-06-17, 22:26
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Re: Built - In Aggregate Function - Standard Deviation - Hive - [mail # user]
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...Zheng, is SQRT an undocumented builtin UDF? I couldn't see it in the lang manual at: http://wiki.apache.org/hadoop/Hive/LanguageManual/UDF hence why I did pow(...
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Author: Amr Awadallah,
2009-05-31, 07:04
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Re: Built - In Aggregate Function - Standard Deviation - Hive - [mail # user]
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...I agree that a builtin for std dev is a good idea. that said, you can achieve this easy in one pass, just use: select sum( pow(col,2) ) as totsqr, sum( col ) as tot, count(1) as ...
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Author: Amr Awadallah,
2009-05-27, 08:24
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Re: Is it possible hiveserver both be a server and a client of itself? - Hive - [mail # user]
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...I don't think that would work, where would you store the meta-data for the meta-data? Min Zhou wrote:...
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Author: Amr Awadallah,
2009-05-14, 02:35
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Re: [ANNOUNCE] Hive release 0.3.0 available - Hive - [mail # user]
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...> Good work, thanks! Indeed, very happy to see Hive growing up. Min Zhou wrote:...
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Author: Amr Awadallah,
2009-04-30, 18:02
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Re: Aggregrate Query Fails. - Hive - [mail # user]
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...in the group by, try this instead: *group by m.description, buyers* limit 40 ; Matt Pestritto wrote:...
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Author: Amr Awadallah,
2009-04-22, 22:40
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