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Re: comments in hive ql - Hive - [mail # user]
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... On 2/16/2010 9:03 PM, prasenjit mukherjee wrote:...
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Author: Amr Awadallah,
2010-02-17, 05:07
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Re: Read-only users in Hive - Hive - [mail # user]
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...Though that will protect the files, it won't protect the schema (e.g. the read-only users will still be able to drop the table). On 1/20/2010 9:29 PM, Oscar Gothberg wrote:...
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Author: Amr Awadallah,
2010-01-21, 09:22
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Re: Read-only users in Hive - Hive - [mail # user]
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...HIVE-78 is what we all are waiting for :) The hack you suggest below should be a valid interim solution, just make sure the read-only clients have their own hive-site.xml with th...
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Author: Amr Awadallah,
2010-01-20, 07:40
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Re: Help with regexp_extract sytax - Hive - [mail # user]
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...; throwing it off, try: select to_date(ts), regexp_extract(cookies, '(urltrack__goo.*?\;)', 1) from hits where dt='2009-04' and lower(cookies) rlike '(.*)urltrack__goo(.*)' limit...
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Author: Amr Awadallah,
2010-01-06, 02:42
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Re: How to define a cube and do drill-down operation on hive? - Hive - [mail # user]
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...That isn't entirely true, because the question it self is also a bit ambiguous. BI tools (ala Microstrategy, Business Objects, Cognos) are the ones that do the OLAP functionality (dril...
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Author: Amr Awadallah,
2009-11-14, 04:08
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Re: UPDATE statement in Hive? - Hive - [mail # user]
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...Saurabh, I think you better off with HBase for this kind of use, see: http://hadoop.apache.org/hbase/ In a nutshell, HBase is a layer on top of HDFS which supports two thin...
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Author: Amr Awadallah,
2009-07-29, 00:05
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Re: Regarding Hive - Hive - [mail # user]
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...I have Hive running with cygwin and windows, you need to apply this patch though: https://issues.apache.org/jira/browse/HIVE-344 It will work fine except if you use AUX_PAR...
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Author: Amr Awadallah,
2009-07-08, 01:34
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Re: many terms in group by - Hive - [mail # user]
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...> select a,b,c,d,e,f,g,h,i,count(*) from table x group by a,b,c,d,e,f,g,h,i; yes, should work, please try it and let us know. tim robertson wrote:...
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Author: Amr Awadallah,
2009-07-04, 07:03
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Re: aggregations over multiple columns? - Hive - [mail # user]
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...Mike, This is a valid query, group by over multiple columns works in hive. Michael E. Driscoll wrote:...
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Author: Amr Awadallah,
2009-07-04, 07:02
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Re: distinct with union all - Hive - [mail # user]
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...make sure you don't have any leading or trailing spaces (or special characters) for the usernames being extracted. also to debug, try to do a select username, count(1) then group...
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Author: Amr Awadallah,
2009-07-03, 00:53
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