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Re: How to load a web log file (text format) to Hive with compression - Hive - [mail # user]
...Hive has built-in support for gzipped text files so you don't need to do anything special with them (meaning you just load them like regular files). However, there is one important limitatio...
   Author: Vijay, 2013-11-12, 04:25
Re: Use RANK OVER PARTITION function in Hive 0.11 - Hive - [mail # user]
...As the error message states: "One ore more arguments are expected," you have to pass a column to the rank function.   On Wed, Jul 17, 2013 at 1:12 AM, Jérôme Verdier wrote:  ...
   Author: Vijay, 2013-07-17, 09:01
Re: Rolling MAU computation - Hive - [mail # user]
...For both simplicity and efficiency, I'd recommend making the mausummary table partitioned on date and generate the MAU data each day. There is no reason to generate MAU data for a given day ...
   Author: Vijay, 2012-10-12, 20:42
[expand - 1 more] - Re: Custom UserDefinedFunction in Hive - Hive - [mail # user]
...You actually don't need hive on the whole cluster. That's the beauty of it. You only need it on the client machine where you're submitting hive jobs. Of course the metadata store does need t...
   Author: Vijay, 2012-08-07, 18:31
Re: Passing date as command line arguments - Hive - [mail # user]
...There can't be a space in the variable name. Try this: ${hiveconf:start_date}  On Fri, Aug 3, 2012 at 11:06 PM, Techy Teck  wrote:...
   Author: Vijay, 2012-08-04, 06:32
Re: HBASE and HIVE Integration - Hive - [mail # user]
... Sent from my iPhone  On Jul 25, 2012, at 8:58 PM, vijay shinde  wrote:  _201207251858_0004 Job: ion  hbase and zookeeper as follows: lib/zookeeper-3.4.3.jar:$HADOOP...
   Author: Vijay, 2012-07-26, 11:30
Re: Invalid Table Alias - Hive - [mail # user]
...There seems to be something wrong with the query (the red highlighted portion). What is mi in "abs(datediff(mi"?  On Sun, Jul 22, 2012 at 11:28 AM, Techy Teck  wrote:...
   Author: Vijay, 2012-07-23, 02:02
Re: Exploding Array of Struct in Hive - Hive - [mail # user]
...You basically need to do a nested-explode here.  SELECT user_id, product_id, prod_and_ts_split FROM ( SELECT  * FROM (select user_id, prod_and_ts.product_id as product_id, prod_an...
   Author: Vijay, 2012-07-19, 00:37
Re: Get only the date from DateType data - Hive - [mail # user]
...string to_date(string timestamp) does the trick.  The official hive UDF page has all the useful functions that are available: https://cwiki.apache.org/confluence/display/Hive/LanguageMa...
   Author: Vijay, 2012-07-18, 22:49
Re: Anything wrong with this query? - Hive - [mail # user]
...When you say LATERAL VIEW explode(purchased_item) exploded_table as prod_and_ts The last alias is an alias to a column; not a table. explode will only produce one column per row; it cannot p...
   Author: Vijay, 2012-07-11, 05:33
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