GitHub user marmbrus opened a pull request:
https://github.com/apache/spark/pull/250
[SQL] Rewrite join implementation to allow streaming of one relation.
Before we were materializing everything in memory. This also uses the
projection interface so will be easier to plug in code gen (its ported from
that branch).
@rxin @liancheng
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/marmbrus/spark hashJoin
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/250.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 #250
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commit bc0cb843bef71d03c7002523a567ac39760f65c9
Author: Michael Armbrust <[email protected]>
Date: 2014-03-27T04:11:01Z
Rewrite join implementation to allow streaming of one relation.
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