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Re: Text file with ctrl chat as delimiter - Hive - [mail # user]
...Sam, If you can please post a row or two of your data along with any errors you are getting, that would be helpful.  Mark From: "Mapred Learn"  To: [EMAIL PROTECTED] Cc: [EMAIL PRO...
   Author: Mark Grover, 2012-06-20, 13:24
[expand - 2 more] - Re: create external table on existing hive partitioned table ? - Hive - [mail # user]
...In hindsight, I have learned to create external tables so if I get into a situation like this, I don't have to look up the appropriate alter table statment (if it exists at all), I can just ...
   Author: Mark Grover, 2012-06-19, 23:00
[expand - 1 more] - Re: Migrating to hive 8.1 on EMR - Hive - [mail # user]
...Sorry, missed the link: https://forums.aws.amazon.com/thread.jspa?threadID=95988&tstart=25  From: "Mark Grover"  To: [EMAIL PROTECTED] Sent: Tuesday, June 19, 2012 1:31:25 PM Subje...
   Author: Mark Grover, 2012-06-19, 19:22
Re: Please HELP: HIVE alter table add new partition to schema... - Hive - [mail # user]
...I agree. It would be best if you wrote a script that iterates through each leaf-level partition of your existing table (logdate='A', source='B', datacenter='C', hostname='D') and populate ne...
   Author: Mark Grover, 2012-06-19, 15:45
Re: 'set cli header' throws null pointer exception - Hive - [mail # user]
...Hi Saurabh, I wasn't able to reproduce this problem on Apache Hive 0.9.0. Can you please try the same procedure with another jar? Perhaps, one from hive's lib directory like hive-builtins.ja...
   Author: Mark Grover, 2012-06-09, 14:03
Re: Compressed data storage in HDFS - Error - Hive - [mail # user]
...Hi Sreenath, All the points made on this thread are very valid. However, I wanted to add that you should keep in mind that Gzip compression is not splittable. This is because of the very nat...
   Author: Mark Grover, 2012-06-09, 00:08
[expand - 1 more] - Re: How to apply data mining on Hive? - Hive - [mail # user]
...Hi Jason, Hive does expose a JDBC interface which can by tools and applications. You would check out individual tools to see if they support Hadoop (I use the word Hadoop and not Hive since ...
   Author: Mark Grover, 2012-06-08, 23:55
[expand - 3 more] - Re: Multi-group-by select always scans entire table - Hive - [mail # user]
...Hi Jan, I did some testing for this on Apache Hive 0.9 and I have boiled it down the following: Predicate pushdown seems to work for single-insert queries using LATERAL VIEW. It also seems t...
   Author: Mark Grover, 2012-06-08, 04:10
Re: Need help running query over "yesterday". getting "No partition predicate found" errors - Hive - [mail # user]
...Hi Matthew, unix_timestamp() is being executed on the Hive server in your case. Therefore, as your query progresses, the timestamp returned by your unix_timestamp() would change. Based on yo...
   Author: Mark Grover, 2012-06-05, 02:42
[expand - 1 more] - Re: Problem: LINES TERMINATED BY only supports newline '\n' right now. - Hive - [mail # user]
...Hi Tabraiz, The 10 in the source code is what '\n' is in ASCII (base 10). That's why you see it. It still represents a linefeed.  Mark  From: "tabraiz anwer"  To: "Mark Grover...
   Author: Mark Grover, 2012-06-04, 21:06
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