[
https://issues.apache.org/jira/browse/HIVE-3401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Phabricator updated HIVE-3401:
------------------------------
Attachment: HIVE-3401.D4821.4.patch
navis updated the revision "HIVE-3401 [jira] Diversify grammar for split
sampling".
Reviewers: JIRA
Fixing git index
REVISION DETAIL
https://reviews.facebook.net/D4821
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/exec/ExplainTask.java
ql/src/java/org/apache/hadoop/hive/ql/exec/FetchOperator.java
ql/src/java/org/apache/hadoop/hive/ql/exec/MapRedTask.java
ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java
ql/src/java/org/apache/hadoop/hive/ql/io/CombineHiveInputFormat.java
ql/src/java/org/apache/hadoop/hive/ql/parse/Hive.g
ql/src/java/org/apache/hadoop/hive/ql/parse/ParseDriver.java
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
ql/src/java/org/apache/hadoop/hive/ql/parse/SplitSample.java
ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java
ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java
ql/src/test/queries/clientpositive/split_sample.q
ql/src/test/results/clientpositive/input4.q.out
ql/src/test/results/clientpositive/nonmr_fetch.q.out
ql/src/test/results/clientpositive/plan_json.q.out
ql/src/test/results/clientpositive/split_sample.q.out
To: JIRA, navis
> 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
> Attachments: HIVE-3401.D4821.2.patch, HIVE-3401.D4821.3.patch,
> HIVE-3401.D4821.4.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).
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
