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Re: max() returns NULL on partition column - Hive - [mail # user]
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...Thanks for confirming that I wasn't imagining this. Turns out this was a known bug (HIVE-2955 https://issues.apache.org/jira/browse/HIVE-2955 ) and is already fixed in version 0.10.0 R...
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Author: Robin Morris,
2013-04-22, 22:54
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[HIVE-4386] max() and min() return NULL on partition column; distinct() returns nothing - Hive - [issue]
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...partitioned_table is partitioned on year, month, day.> select max(day) from partitioned_table where year=2013 and month=4;spins up zero mappers, one reducer, and returns NULL. Same ...
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http://issues.apache.org/jira/browse/HIVE-4386
Author: Robin Morris,
2013-04-20, 03:21
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max() returns NULL on partition column - Hive - [mail # user]
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...partitioned_table is partitioned on year, month, day. A query of the form spins up zero mappers, one reducer, and returns NULL Hadoop job information for Stage-1: number of mappe...
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Author: Robin Morris,
2013-04-18, 20:14
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CHAN (Comprehensive Hive Archive Network) (Was Re: Using Reflect: A thread for ideas) - Hive - [mail # user]
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...I think we need to think a little bigger than this. Recently I've been thinking that what would be most useful to the Hive user community would be a CHAN – Comprehensive Hive Archive N...
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Author: Robin Morris,
2013-02-14, 06:59
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Re: Help to solve UDAF errors! - Hive - [mail # user]
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...Hi, You might well have found the error yourself by now, but if not, the problem is that you missed the "static" keyword off the declaration of TopNPercentEvaluator. Line 18 of y...
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Author: Robin Morris,
2013-02-14, 01:02
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Re: question about machine learning on Hive - Hive - [mail # user]
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...In a similar way, ML algorithms can be put into a Hive UDAF. I'm working on this at the moment, and it's proved quite straightforward to integrate liblinear into a UDAF. As Igor ...
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Author: Robin Morris,
2013-01-18, 04:57
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