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Re: comments in hive ql - Hive - [mail # user]
... On 2/16/2010 9:03 PM, prasenjit mukherjee wrote:...
   Author: Amr Awadallah, 2010-02-17, 05:07
Re: Read-only users in Hive - Hive - [mail # user]
...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:...
   Author: Amr Awadallah, 2010-01-21, 09:22
Re: Help with regexp_extract sytax - Hive - [mail # user]
...; 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...
   Author: Amr Awadallah, 2010-01-06, 02:42
Re: How to define a cube and do drill-down operation on hive? - Hive - [mail # user]
...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...
   Author: Amr Awadallah, 2009-11-14, 04:08
Re: UPDATE statement in Hive? - Hive - [mail # user]
...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...
   Author: Amr Awadallah, 2009-07-29, 00:05
Re: Regarding Hive - Hive - [mail # user]
...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...
   Author: Amr Awadallah, 2009-07-08, 01:34
Re: many terms in group by - Hive - [mail # user]
...> 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:...
   Author: Amr Awadallah, 2009-07-04, 07:03
Re: aggregations over multiple columns? - Hive - [mail # user]
...Mike,    This is a valid query, group by over multiple columns works in hive.   Michael E. Driscoll wrote:...
   Author: Amr Awadallah, 2009-07-04, 07:02
Re: distinct with union all - Hive - [mail # user]
...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...
   Author: Amr Awadallah, 2009-07-03, 00:53
Re: Set difference in Hive - Hive - [mail # user]
...do an outer join on user and filter on name.user is null   Rakesh Setty wrote:...
   Author: Amr Awadallah, 2009-06-29, 23:14
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