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Re: Dates in Hive - Hive - [mail # user]
...I don't have the language manual in frot of me, but I would suggest casting d ateint to string, then using the unix_timestamp function. From_unixtime shou ld get it back into a date time str...
   Author: Matt Tucker, 2012-06-26, 00:10
Re: Partition deletion w/out using a literal partition value - Hive - [mail # user]
...Hive 0.8.0 has metadata optimizations ([HIVE-1003]), but your best bet is to write a shell script that executes 'show partitions ;', and then loop through the results and drop any partitions...
   Author: Matt Tucker, 2012-02-05, 22:40
Re: move tables into different database - Hive - [mail # user]
...Someone recently posted a command to convert a managed table to an external t able. If you also use that command, there's no expensive copy operation.  You'd probably want to move the d...
   Author: Matt Tucker, 2012-01-31, 01:52
Re: split into less files - Hive - [mail # user]
...It sounds like you want to look at setting hive.merge.mapredfiles to true in  your hive-site.xml.  Just be aware that it will likely add another map step to your jobs to conso lida...
   Author: Matt Tucker, 2011-11-09, 03:05
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