spark-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From cloud-fan <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-12480][SQL] add Hash expression that ca...
Date Tue, 22 Dec 2015 15:27:01 GMT
GitHub user cloud-fan opened a pull request:

    https://github.com/apache/spark/pull/10435

    [SPARK-12480][SQL] add Hash expression that can calculate hash value for a group of expressions

    The hash algorithm is based on hive's bucketing hash function, see https://github.com/apache/hive/blob/release-1.2.0/ql/src/java/org/apache/hadoop/hive/ql/exec/ReduceSinkOperator.java#L421-L423
and https://github.com/apache/hive/blob/release-1.2.0/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorUtils.java#L497-L607

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/cloud-fan/spark hash-expr

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/10435.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #10435
    
----
commit 53b0ec57947130b56d374708b03cb706ab21c0ae
Author: Wenchen Fan <wenchen@databricks.com>
Date:   2015-12-22T15:22:59Z

    add hash expression

----


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org


Mime
View raw message