[jira] [Commented] (HADOOP-15364) Add support for S3 Select to S3A

["Steve Loughran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-15364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700539#comment-16700539 ] 

Steve Loughran commented on HADOOP-15364:
-----------------------------------------

A descendant of patch is now part of HADOOP-15229. Review is welcome there, as well as testing.

> 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
>            Priority: Major
>         Attachments: HADOOP-15364-001.patch, HADOOP-15364-002.patch, HADOOP-15364-004.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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