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RE: Modifying data before importation into Hive - Hive - [mail # user]
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...For this particular case, the LOAD DATA approach is better as that really d oes not do any transformation to the data and yet adds the information that you want as a partitioning colum...
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Author: Ashish Thusoo,
2009-11-25, 00:13
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RE: Modifying data before importation into Hive - Hive - [mail # user]
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...How are you generating the value in the YEAR column? Is it a static value o r something that gets computed from the data? Ashish ________________________________ From: [EMAIL PRO...
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Author: Ashish Thusoo,
2009-11-24, 23:56
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[HIVE-939] Extend hive streaming to support counter updates similar to hadoop streaming. - Hive - [issue]
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...The code to update hadoop counters needs to be ported from hadoop streaming to the streaming code in Hive....
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http://issues.apache.org/jira/browse/HIVE-939
Author: Ashish Thusoo,
2009-11-17, 19:43
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RE: adding filenames as new columns via Hive - Hive - [mail # user]
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...You could also do this as a simple udf instead of a virtual column. Virtual columns do get shown in the describe command and I don't think it would ma ke sense to show this in the desc...
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Author: Ashish Thusoo,
2009-09-16, 19:11
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RE: Limit deletion of tables by username - Hive - [mail # user]
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...Not right now. There is no access control built into Hive at this time. own er information is there right now so that some external tool can use that i nformation. Ashish _______...
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Author: Ashish Thusoo,
2009-09-16, 00:55
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RE: vote for release candidate for hive - Hive - [mail # user]
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...We need to generate the tar balls for the binary and the source release and put them out for vote. Ashish ________________________________ From: Namit Jain [mailto:[EMAIL P...
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Author: Ashish Thusoo,
2009-09-15, 23:40
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RE: Strange behavior during Hive queries - Hive - [mail # user]
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...Can't seem to make head or tail of this. How many mappers does the job spaw s? The explain plan seems to be fine. Can you also do a describe extended on both the input and the ou...
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Author: Ashish Thusoo,
2009-09-15, 23:23
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RE: Strange behavior during Hive queries - Hive - [mail # user]
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...How is your data stored - sequencefiles, textfiles, compressed?? and what a re the value of mapred.min.split.size? Hive does not usually make a decisio n on the number of mappers but it does...
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Author: Ashish Thusoo,
2009-09-14, 18:29
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RE: Files does not exist error: concurrency control on hive queries... - Hive - [mail # user]
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...Another option is to deal with this using versioning. Some ideas on this are at https://issues.apache.org/jira/browse/HIVE-718 Ashish ________________________________________ Fro...
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Author: Ashish Thusoo,
2009-09-11, 09:39
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RE: enforcing query with partition column - Hive - [mail # user]
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...What does explain show? An easy work around for now is to push the partition predicate into a subquery on the table. Ashish ________________________________________ From: A...
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Author: Ashish Thusoo,
2009-09-11, 07:42
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