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[HIVE-1631] JDBC driver returns wrong precision, scale, or column size for some data types - Hive - [issue]
...For some data types, these methods return values that do not conform to the JDBC spec:org.apache.hadoop.hive.jdbc.HiveResultSetMetaData.getPrecision(int)org.apache.hadoop.hive.jdbc.HiveResul...
http://issues.apache.org/jira/browse/HIVE-1631    Author: Steven Wong, 2011-12-16, 23:55
RE: What is best way to load data into hive tables/hadoop file system - Hive - [mail # user]
...Run multiple concurrent LOAD DATAs, one per file.  Alternatively, if your TT nodes have access to the source file system, use  a map-only Hadoop job, such as distcp.   From: S...
   Author: Steven Wong, 2011-11-02, 02:27
RE: pass entire row as parameter in hive UDF - Hive - [mail # user]
...Would https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Selec t#LanguageManualSelect-REGEXColumnSpecification work for you in the meantim e?   From: Chen Song [mailto:[EMA...
   Author: Steven Wong, 2011-11-02, 02:20
RE: High number of input files problems - Hive - [mail # user]
...I suspect very few people are still using Hive 0.6 or older. Try upgrading.   From: Florin Diaconeasa [mailto:[EMAIL PROTECTED]] Sent: Monday, October 31, 2011 6:37 AM To: [EMAIL PROTEC...
   Author: Steven Wong, 2011-11-02, 02:16
hive.map.aggr - Hive - [mail # user]
...I have a query doing JOIN and GROUP BY:  SELECT ... FROM x JOIN y ON (...) GROUP BY ...;  In the first MR job, the reduce phase performs hash aggregation when hive.m ap.aggr=true, ...
   Author: Steven Wong, 2011-11-01, 07:44
RE: Copying a Hive metastore - Hive - [mail # user]
...I think going to MySQL directly will have the problem of colliding internal  ids (e.g. TBLS.TBL_ID).  I don't know if the API will have the same proble m or not.  If there is ...
   Author: Steven Wong, 2011-09-30, 23:47
RE: Best practices for storing data on Hive - Hive - [mail # user]
...I haven't used sorted columns before. I expect sorted columns to give you some query optimization by avoiding some sorting in some cases, but not by pruning input. In this sense, sorted colu...
   Author: Steven Wong, 2011-09-12, 19:12
RE: Hive in Read Only Mode - Hive - [mail # user]
...Sounds like you're trying to create/modify the metastore over a read-only d atabase connection.   From: Eric Hernandez [mailto:[EMAIL PROTECTED]] Sent: Thursday, September 08, 2011 4:31...
   Author: Steven Wong, 2011-09-09, 00:36
RE: Hive in EC2 - Hive - [mail # user]
...When you launch an EMR cluster (or "job flow" in EMR terminology), it launc hes new EC2 instances, optionally with an Elastic IP assigned to the cluste r's master host. One does not install ...
   Author: Steven Wong, 2011-08-31, 20:35
RE: Re:RE: Why a sql only use one map task? - Hive - [mail # user]
...I think mapred.max.split.size is not set by default. The max split size is  not the same as the HDFS block size.   From: Daniel,Wu [mailto:[EMAIL PROTECTED]] Sent: Tuesday, August ...
   Author: Steven Wong, 2011-08-24, 23:01
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