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Re: largest table last in joins - Hive - [mail # user]
...Join ordering is not yet part of the Hive optimizer.  There is integration work being done with the Optiq framework that will address this, but it is not complete yet.  Hopefully a...
   Author: Alan Gates, 2014-05-05, 16:32
Modify/add component in Hive JIRA - Hive - [mail # dev]
...For the new transactions work that went in as part of HIVE-5317 I’ve been using “Locking” as the component for JIRAs.  This work is related to locking, but that label doesn’t really cov...
   Author: Alan Gates, 2014-04-23, 21:35
Re: Meta data tables - Hive - Hive - [mail # user]
...Hive does not have a traditional SQL information schema.  Instead it uses MySQL style show/describe.  So it has show tables, etc.  See https://cwiki.apache.org/confluence/disp...
   Author: Alan Gates, 2014-04-21, 23:07
Re: [VOTE] Apache Hive 0.13.0 Release Candidate 2 - Hive - [mail # dev]
...+1 (non-binding)Alan. On Apr 17, 2014, at 7:15 PM, Thejas Nair  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or entity to which it is ...
   Author: Alan Gates, 2014-04-18, 17:15
[HIVE-6886] Minor fixes in the compactor - Hive - [issue]
...A number of smaller issues were identified in the review of HIVE-6319 that were not addressed due to the push to get it into 0.13.  These need to be addressed....
http://issues.apache.org/jira/browse/HIVE-6886    Author: Alan Gates, 2014-04-12, 05:33
[HIVE-6850] For FetchOperator, Driver uses the valid transaction list from the previous query - Hive - [issue]
...The problem is two fold: FetchTask.initialize, which is called during parsing of the query, converts the HiveConf it is given into a JobConf by copying it. Driver.recordValidTxns, which runs...
http://issues.apache.org/jira/browse/HIVE-6850    Author: Alan Gates, 2014-04-09, 20:41
[HIVE-6812] show compactions returns error when there are no compactions - Hive - [issue]
...Doing "show compactions" when there are no current transactions in process or in the queue results in: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. nul...
http://issues.apache.org/jira/browse/HIVE-6812    Author: Alan Gates, 2014-04-08, 20:16
[HIVE-6830] After major compaction unable to read from partition with MR job - Hive - [issue]
...After doing a major compaction any attempt to do read the data with an MR job (select count, subsequent compaction) fails with:Caused by: java.lang.IllegalArgumentException: All base directo...
http://issues.apache.org/jira/browse/HIVE-6830    Author: Alan Gates, 2014-04-08, 16:05
[HIVE-6855] A couple of errors in MySQL db creation script for transaction tables - Hive - [issue]
...There are a few small issues in the database creation scripts for mysql.  A couple of the tables don't set the engine to InnoDB.  None of the tables set default character set to la...
http://issues.apache.org/jira/browse/HIVE-6855    Author: Alan Gates, 2014-04-08, 15:29
[HIVE-6829] alter table foo compact gives an error - Hive - [issue]
...Doing "alter table foo compact 'minor'" results in the error:ERROR ql.Driver (SessionState.java:printError(550)) - FAILED: HiveException Operation should not be nullorg.apache.hadoop.hive.ql...
http://issues.apache.org/jira/browse/HIVE-6829    Author: Alan Gates, 2014-04-05, 06:33
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