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From "Yuzhou Sun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15364) Add support for S3 Select to S3A
Date Wed, 02 May 2018 22:01:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16461658#comment-16461658
] 

Yuzhou Sun commented on HADOOP-15364:
-------------------------------------

Thank you Steve!

> Add support for S3 Select to S3A
> --------------------------------
>
>                 Key: HADOOP-15364
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15364
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>         Attachments: HADOOP-15364-001.patch, HADOOP-15364-002.patch
>
>
> Expect a PoC patch for this in a couple of days; 
> * it'll depend on an SDK update to work, plus a couple of of other minor changes
> * Adds command line option too 
> {code}
> hadoop s3guard select -header use -compression gzip -limit 100 s3a://landsat-pds/scene_list.gz"
\
> "SELECT s.entityId FROM S3OBJECT s WHERE s.cloudCover = '0.0' "
> {code}
> For wider use we'll need to implement the HADOOP-15229 so that callers can pass down
the expression along with any other parameters



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