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Re:Re: histogram_numeric find the most frequent value - Hive - [mail # user]
...good idea, I will try. thanks  At 2013-10-16 19:12:30,"Ed Soniat"  wrote:  You could use a modular math to transform the data in to single value representations of each range ...
   Author: Richard, 2013-10-17, 01:05
hadoop fs -text cannot get .deflate file decompressed - Hive - [mail # user]
...I got some hive generated files with .defate extension. I know this is a compressed file. It is not my data so i canot change the option to uncompressed. I just want to view the file content...
   Author: Richard, 2013-01-31, 06:39
Re:how may map-reduce needed in a hive query - Hive - [mail # user]
...thanks. I used explain command and get the plan, but I am still confused. The below is the description of two map-reduce stages:   it seems that in stage-1 the aggregation has already b...
   Author: Richard, 2013-01-23, 05:54
how to let hive quit if any error occurs - Hive - [mail # user]
...Hi,    I usually write hive script. I found that sometimes if an error occurs, the hive script will continue to execute. I do not want this behavor becuase it may hide some problem...
   Author: Richard, 2013-01-15, 05:12
Re:Re: create a hive table: always a tab space before each line - Hive - [mail # user]
...thanks. it seems that as long as I use sequencefile as the storage format, there will be \t before the first column. If this output is continously used by hive, it is fine. The problem is th...
   Author: Richard, 2013-01-14, 14:58
hive script: stop when error occurs - Hive - [mail # user]
...hi I am wondering if there is any configuration option that allows the hive script to stop when an error occurs. e.g.,  hive command 1; hive command 2; hive command 3;  if error oc...
   Author: Richard, 2012-07-16, 09:39
user define data format - Hive - [mail # user]
...Hi, I want to use Hive on some data in the following format: \0x01 field1=val1\0x01 field2=val2\0x01 ... \0x01  the lines between  and  are a record. How should I define the t...
   Author: Richard, 2012-05-21, 09:44
Re:Re: update a hive table - Hive - [mail # user]
...I see, thanks.     At 2012-03-16 20:30:24,"Bejoy Ks"  wrote:  Hi Robert, Sorry I missed answering your question It is not possible in hive. At a bare minimum hive would o...
   Author: Richard, 2012-03-19, 02:30
Re:Re: how to join like a "In A but not in B" operation? - Hive - [mail # user]
...this approach works, I did not realize "var=NULL" is different from "var is NULL" before.   Richard     At 2012-03-12 12:03:00,"Evan Pollan"  wrote:  I used a left o...
   Author: Richard, 2012-03-12, 07:18
how to compute histogram on non-numeric data set? - Hive - [mail # user]
...I have noticed histogram_numeric(col, n), but it seems to require numeric column. I have a string column, they are numeric like string but are category label, e.g,   100001, 200034 &nbs...
   Author: Richard, 2012-03-12, 05:18
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