GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/11742
generate semi join
## What changes were proposed in this pull request?
This PR brings codegen support for broadcast left-semi join.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark gen_semi
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11742.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 #11742
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commit 32983190adb26bab1d1ff865f71b638374c43600
Author: Davies Liu <dav...@databricks.com>
Date: 2016-03-15T20:24:26Z
generate semi join
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