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Combine two overlapping schema? - Hive - [mail # user]
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...I have two tables which have overlapping but nonidentical schema. I want to creating a new table that unions them, leaving nulls in any given row where a column name doesn't occur in t...
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Author: Keith Wiley,
2013-03-06, 18:03
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Re: Can hive show external table filenames? - Hive - [mail # user]
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...Thanks, that seems like a reasonable summary of my options. Cheers! On Jan 31, 2013, at 14:38 , Edward Capriolo wrote: ______________________________________________...
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Author: Keith Wiley,
2013-01-31, 23:13
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Re: Can hive show external table filenames? - Hive - [mail # user]
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...Hmmm, that doesn't seem to list the files in the directory. On Jan 31, 2013, at 12:12 , Edward Capriolo wrote: ____________________________________________________________...
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Author: Keith Wiley,
2013-01-31, 21:55
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Can hive show external table filenames? - Hive - [mail # user]
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..."show tables" shows the HDFS directories which correspond to Hive tables and various select queries show data from inside the files (each row of a file being a row of the overarching table t...
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Author: Keith Wiley,
2013-01-31, 19:37
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apache can't access hive - Hive - [mail # user]
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...I have created a php-backed dynamic website which pulls data from hive (via exec) and presents the results through a web interface. This was working fine...then I upgraded to CDH4 and ...
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Author: Keith Wiley,
2012-11-12, 21:40
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Re: Error in semantic analysis: Unable to fetch table - Hive - [mail # user]
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...I never needed the -S. I would just call it with -e, but yeah, that's the basic idea. The output is gathered in the remaining optional arguments to exec(). On O...
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Author: Keith Wiley,
2012-10-19, 06:48
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Re: Error in semantic analysis: Unable to fetch table - Hive - [mail # user]
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...Followup: If I run "show tables" then while I get a list from the command line, I get nothing from php. Furthermore, if I attempt to select from a bogus tablename on the co...
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Author: Keith Wiley,
2012-10-18, 21:00
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Error in semantic analysis: Unable to fetch table - Hive - [mail # user]
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...If I run a select command on the command line with -e it works. If I run the same command inside hive (without -e) it still works...but if I exec it with a -e from php (so ...
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Author: Keith Wiley,
2012-10-18, 20:46
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Increase max tablename length? - Hive - [mail # user]
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...The default seems to be 128. Can it be increased? I haven't found a configuration parameter for that yet. ___________________________________________________________...
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Author: Keith Wiley,
2012-08-08, 22:32
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Re: drop table: no err on nonexistant table? - Hive - [mail # user]
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...Oye, got it. Sorry. RTFM: hive.exec.drop.ignorenonexistent On Aug 6, 2012, at 11:06 , Keith Wiley wrote: error-checking. If an attempt is made to drop a table t...
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Author: Keith Wiley,
2012-08-06, 18:31
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