GitHub user nongli opened a pull request:
https://github.com/apache/spark/pull/11141
[SPARK-13250][SQL] Make broadcast join handle InternalRow input.
In some cases, such as the vectorized parquet reader, it is unnecessary and
expensive to product UnsafeRows. Rather than always generating unsafe rows,
this adds an identity projection in the operator (broadcast join) if they
need
a particular serialization.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nongli/spark spark-13250
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11141.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 #11141
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commit 662559c1ef24159d6878616993b2dd3caa3de154
Author: Nong Li <[email protected]>
Date: 2016-02-09T21:27:40Z
[SPARK-13250][SQL] Make broadcast join handle InternalRow input.
In some cases, such as the vectorized parquet reader, it is unnecessary and
expensive to product UnsafeRows. Rather than always generating unsafe rows,
this adds an identity projection in the operator (broadcast join) if they
need
a particular serialization.
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