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Re: Using TABLESAMPLE on inner queries - Hive - [mail # user]
...You may use percent based (block sampling) sampling for non-bucketed tables, though there are some restrictions.  https://cwiki.apache.org/Hive/languagemanual-sampling.html  Regard...
   Author: Ramki Palle, 2013-03-20, 21:25
Re: how to handle variable format data of text file? - Hive - [mail # user]
...One way you can try is to make your ldata as a map field as it contains variable formatted data and write a UDF to get whatever information you need get.  Regards, Ramki.    O...
   Author: Ramki Palle, 2013-03-18, 15:26
Re: hive issue with sub-directories - Hive - [mail # user]
...One way it was solved by an user earlier was by subclassing the InputFormat class and overriding the listStatus method so that you can ignore subdirectories. This was done in 0.7.1 version. ...
   Author: Ramki Palle, 2013-03-11, 14:55
[expand - 1 more] - Re: java.lang.NoClassDefFoundError: com/jayway/jsonpath/PathUtil - Hive - [mail # user]
...Well, you get the results faster.  Please check this:  https://cwiki.apache.org/Hive/gettingstarted.html#GettingStarted-Runtimeconfiguration  Under section   "Hive, Map-R...
   Author: Ramki Palle, 2013-03-10, 13:58
[expand - 1 more] - Re: Error while table creation - Hive - [mail # user]
...Please use "if not exists" clause and let us know if it works.  I am wondering if a table exists already in your database with the same name.  -Ramki.   On Sat, Mar 9, 2013 at...
   Author: Ramki Palle, 2013-03-10, 11:03
Re: Rename external table, including HDFS directory - Hive - [mail # user]
...As you can run the hadoop dfs commands from inside Hive, you can put both the commands in a script file and run the script file using hive. These are still two different commands but are tog...
   Author: Ramki Palle, 2013-03-09, 19:25
Re: difference between add jar in hive session and hive --auxpath - Hive - [mail # user]
...I am not sure whether it works but try this:  Put your ADD JAR commands into a file and invoke hive with -i file option.  or  insert your ADD JAR commands in your $HOME/.hiver...
   Author: Ramki Palle, 2013-03-09, 17:32
Re: HIVE issues when using large number of partitions - Hive - [mail # user]
...Check this for your first question:  https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-Recoverpartitions  Please post if you find any solution f...
   Author: Ramki Palle, 2013-03-09, 16:49
Re: Hive sample test - Hive - [mail # user]
...If  any of the 100 rows that the sub-query returns do not satisfy the where clause, there would be no rows in the overall result. Do we still consider that the Hive query is verified in...
   Author: Ramki Palle, 2013-03-08, 11:30
Re: Find current db we r using in Hive - Hive - [mail # user]
...Sai,  I do not think there is any command to show the current db in Hive. One alternative for you is to set a property so that the current database is shown as part of the prompt:  ...
   Author: Ramki Palle, 2013-03-08, 06:36
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