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Re: Field mapping with the Avro SerDe - Hive - [mail # user]
...I had no idea if the following hack would work or not, but it's used in the Scala language for similar purposes:  Put the word data in left-hand ("back") quotes, e.g.,  `data`. For...
   Author: Dean Wampler, 2012-10-31, 15:19
Re: Query is taking long time to process and return the result - Hive - [mail # user]
...It's impossible to answer such a vague, open-ended question without specifics. What's the query, for example? How is the data organized (e.g., is it partitioned)? What are the cluster charac...
   Author: Dean Wampler, 2012-10-29, 15:41
Re: Not able to run queries in Hive - Hive - [mail # user]
...VirtualBox is a free alternative to VMWare, but I think paying for the latter is worth it. You can also download VMWare and VirtualBox virtual machine images from Cloudera and MapR (maybe no...
   Author: Dean Wampler, 2012-10-29, 14:49
[HIVE-3108] SELECT count(DISTINCT col) ... returns 0 if "col" is a partition column - Hive - [issue]
...Suppose "stocks" is a managed OR external table, partitioned by "exchange" and "symbol". "count(DISTINCT x)" returns 0 for either "exchange", "symbol", or both:hive> SELECT count(DISTINCT...
http://issues.apache.org/jira/browse/HIVE-3108    Author: Dean Wampler, 2012-06-28, 03:50
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