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Re: Structs in Hive - Hive - [mail # user]
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...If you are writing a GenericUDF or serde and want to return struct types there are object inspectors to build structs. The Java type return is an Object[]. Hive expects that if the struct ha...
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Author: Edward Capriolo,
2012-07-23, 18:52
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Re: Structs in Hive - Hive - [mail # user]
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...in your case hbase has a custom serde, the Deserializer interface is what turns the value from the input format into something that hive can understand. HBase support uses the user specified...
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Author: Edward Capriolo,
2012-07-23, 17:05
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[HIVE-3287] In UDTF explains use toString() for function name not annotation - Hive - [issue]
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...UDTF Operator function name: o.a.h.stack@34314Unless a toSTring is specified....
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http://issues.apache.org/jira/browse/HIVE-3287
Author: Edward Capriolo,
2012-07-21, 12:35
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Re: Hive 0.10 release date - Hive - [mail # user]
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...Usually it is ok to build a trunk, we do not do anything extra special for releases other then some basic sanity testing and cut an svn tag. (we run the full unit tests every commit). The on...
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Author: Edward Capriolo,
2012-07-20, 21:32
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Re: Recovery process and tools - Hive - [mail # user]
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...Your should run mysqldump and backup the database to a different machine. This way you do not have to rebuild the meta-data. Simply restore the database to a machine and you are done. ...
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Author: Edward Capriolo,
2012-07-18, 21:48
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Re: cmd for to know the buckets - Hive - [mail # user]
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...There is a command to view the bucket SELECT * FROM TABLE TABLESAMPLE (BUCKET 4 OUT OF 10 ON ) s; The buckets also represent and HDFS file which you can DFS -cat or dfs -text as well. ...
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Author: Edward Capriolo,
2012-07-18, 14:15
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[ANN] Hive-protobuf support - Hive - [mail # user]
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...Hello all, My employer, m6d.com, has given the thumbs up to open source our latest hive tool, hive-protobuf. We created this because we work with protobuf formats often and wanted to b...
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Author: Edward Capriolo,
2012-07-14, 15:18
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[HIVE-3258] make a longtest sub ant - Hive - [issue]
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...The unit tests take quite some time to run. The majority of them are unit tests for UDF not like CASE or IF but ones that do not affect hive deeply. Other tests are around serdes and input f...
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http://issues.apache.org/jira/browse/HIVE-3258
Author: Edward Capriolo,
2012-07-14, 12:38
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Re: Separators in struct - Hive - [mail # user]
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...We surely can make it bigger. However there is a sublte problem. I have ran into maximum column length limitations in the metastore with heavily nested columns. MySQL varchar maxes etc. You ...
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Author: Edward Capriolo,
2012-07-11, 21:13
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Re: Hive to read sequencefile - Hive - [mail # user]
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...yes you need an input format. I have one that turns key plus value to a pairwritable On Monday, July 9, 2012, Daning Wang wrote: class A, and value is class B. we want to show ce...
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Author: Edward Capriolo,
2012-07-10, 00:53
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