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Posted to dev@hive.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2013/01/09 11:27:19 UTC
[jira] [Commented] (HIVE-3401) Diversify grammar for split sampling
[ https://issues.apache.org/jira/browse/HIVE-3401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13548009#comment-13548009 ]
Hudson commented on HIVE-3401:
------------------------------
Integrated in Hive-trunk-hadoop2 #54 (See [https://builds.apache.org/job/Hive-trunk-hadoop2/54/])
HIVE-3787 Regression introduced from HIVE-3401
(Navis via namit) (Revision 1423289)
HIVE-3401 Diversify grammar for split sampling
(Navis via namit) (Revision 1419365)
Result = ABORTED
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1423289
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/test/queries/clientnegative/split_sample_wrong_format2.q
* /hive/trunk/ql/src/test/queries/clientpositive/split_sample.q
* /hive/trunk/ql/src/test/results/clientnegative/split_sample_out_of_range.q.out
* /hive/trunk/ql/src/test/results/clientnegative/split_sample_wrong_format.q.out
* /hive/trunk/ql/src/test/results/clientnegative/split_sample_wrong_format2.q.out
* /hive/trunk/ql/src/test/results/clientpositive/split_sample.q.out
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1419365
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapRedTask.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/ParseDriver.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SplitSample.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java
* /hive/trunk/ql/src/test/queries/clientpositive/split_sample.q
* /hive/trunk/ql/src/test/results/clientnegative/split_sample_out_of_range.q.out
* /hive/trunk/ql/src/test/results/clientnegative/split_sample_wrong_format.q.out
* /hive/trunk/ql/src/test/results/clientpositive/input4.q.out
* /hive/trunk/ql/src/test/results/clientpositive/nonmr_fetch.q.out
* /hive/trunk/ql/src/test/results/clientpositive/plan_json.q.out
* /hive/trunk/ql/src/test/results/clientpositive/split_sample.q.out
> Diversify grammar for split sampling
> ------------------------------------
>
> Key: HIVE-3401
> URL: https://issues.apache.org/jira/browse/HIVE-3401
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Fix For: 0.11.0
>
> Attachments: HIVE-3401.D4821.2.patch, HIVE-3401.D4821.3.patch, HIVE-3401.D4821.4.patch, HIVE-3401.D4821.5.patch, HIVE-3401.D4821.6.patch, HIVE-3401.D4821.7.patch
>
>
> Current split sampling only supports grammar like TABLESAMPLE(n PERCENT). But some users wants to specify just the size of input. It can be easily calculated with a few commands but it seemed good to support more grammars something like TABLESAMPLE(500M).
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