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https://issues.apache.org/jira/browse/HADOOP-15364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726369#comment-16726369
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Sameer Choudhary commented on HADOOP-15364:
-------------------------------------------
Hi Steve,
I am an Software Engineer on Amazon S3 team and am working on OSS contribution
of S3 Select Pushdown support for Presto
(https://github.com/prestodb/presto/pull/11970). I will be working with
[~yuzhousun] on the reviews of design and implementation of this feature. Could
you please provide me with a link to the PR for code review? I would start
reviewing
[https://github.com/steveloughran/hadoop/commit/875062e43d6144a66eac12e911902fa7ba6befde]
and other related commits in the meantime.
Best,
Sameer
> 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,
> 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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