[jira] [Commented] (ASTERIXDB-221) Unnecessary repartitioning

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ASTERIXDB-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949830#comment-14949830 ] 

ASF subversion and git services commented on ASTERIXDB-221:
-----------------------------------------------------------

Commit c4118bd0c10ccacf5d13e436e151c4b7e86b61b7 in incubator-asterixdb-hyracks's branch refs/heads/master from [~buyingyi]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-asterixdb-hyracks.git;h=c4118bd ]

ASTERIXDB-221: reduce unneceesary partitioning for hash joins.

For a hash join, start top-down data property optimization from
a partitioning-compatiable child, and hence the other child's
partitioning requirement could be updated.

Change-Id: I835ea712c2f427149d45464fcb3841b8d33f6507
Reviewed-on: https://asterix-gerrit.ics.uci.edu/395
Tested-by: Jenkins <je...@fulliautomatix.ics.uci.edu>
Reviewed-by: Wenhai Li <lw...@yahoo.com>
Reviewed-by: Yingyi Bu <bu...@gmail.com>


> Unnecessary repartitioning
> --------------------------
>
>                 Key: ASTERIXDB-221
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-221
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: AsterixDB, Optimizer
>            Reporter: asterixdb-importer
>            Assignee: Yingyi Bu
>
> Unnecessary repartitioning



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