GitHub user nongli opened a pull request:
https://github.com/apache/spark/pull/12098
[SPARK-14310] Fix scan whole stage codegen to support batches without
runtime check.
## What changes were proposed in this pull request?
Currently, we determine if the RDD will produce batches or rows by looking
at the first
value. After other clean ups, this is not necessary anymore. This
simplifies the code
and let's us measure time spent in the first batch.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/nongli/spark spark-14310
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12098.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 #12098
----
commit 303312c2a37ee47803a67812a96f271533fa5325
Author: Nong Li <[email protected]>
Date: 2016-03-31T21:07:36Z
[SPARK-14310] Fix scan whole stage codegen to support batches without
runtime check.
Currently, we determine if the RDD will produce batches or rows by looking
at the first
value. After other clean ups, this is not necessary anymore. This
simplifies the code
and let's us measure time spent in the first batch.
----
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