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Re: Database limits for Hive - Hive - [mail # user]
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...Hi Farah, #2 and #4 should be easy to figure by taking a look at the metastore scripts. For example, I took a quick look at https://github.com/apache/hive/blob/trunk/metastore/scripts/upgrad...
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Author: Mark Grover,
2012-12-18, 02:01
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Re: Review Request: float and double calculation is inaccurate in Hive - Hive - [mail # dev]
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...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/8653/#review14625 http://svn.apache.org/repos/asf/hive/trunk/ql/src/java/org/apache/hado...
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Author: Mark Grover,
2012-12-18, 00:38
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Re: Unable to issue count(*) query versus movielens data - Hive - [mail # user]
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...Sekine, You may want to go to the jobtracker web interface and look at the failed task logs for more info. Mark On Sun, Dec 16, 2012 at 1:36 PM, Sékine Coulibaly wrote:...
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Author: Mark Grover,
2012-12-17, 00:41
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Re: Running commands at hive cli or hive thirft startup - Hive - [mail # user]
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...No, .hiverc only works for CLI. UDFs are tricky. The only way I can think of is to add them to the function registry (https://github.com/apache/hive/blob/trunk/ql/src/java/org/apache/h...
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Author: Mark Grover,
2012-12-14, 09:41
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Re: Creating external table poiting to s3 folder with files not loading data - Hive - [mail # user]
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...Fernando, It is more likely related to your SerDe and the underlying data not matching up to it and than being related to the table being external on S3. Mark On Tue, Dec 11, 201...
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Author: Mark Grover,
2012-12-14, 09:05
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Re: Partition by directory - Hive - [mail # user]
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...Erik, Did you find out the answer to this? I would be curious to hear what the problem is. BTW, I would check the hive logs (/var/log/apps/hive or /var/log/hive or similar on EMR). Try...
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Author: Mark Grover,
2012-12-14, 09:01
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Re: help on failed MR jobs (big hive files) - Hive - [mail # user]
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...Elaine, Nitin raises some good points. Continuing on the same lines, let's take a closer look at the query: insert overwrite table B select a, b, c from table A where datediff(to_date(...
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Author: Mark Grover,
2012-12-13, 07:46
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Re: map side join with group by - Hive - [mail # user]
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...Hi Chen, I think we would need some more information. The query is referring to a table called "d" in the MAPJOIN hint but there is not such table in the query. Moreover, Map joins onl...
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Author: Mark Grover,
2012-12-13, 01:41
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Re: Hive double-precision question - Hive - [mail # user]
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...Periya: If you want to see what the built in Hive UDFs are doing, the code is here: https://github.com/apache/hive/tree/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/generic and https://gi...
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Author: Mark Grover,
2012-12-07, 22:02
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Re: Determining DateDiff By Minutes in Hive - Hive - [mail # user]
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...George, There is a datediff UDF which will tell you the difference between 2 dates. https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-DateFunctions ...
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Author: Mark Grover,
2012-12-05, 20:53
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