GitHub user joseph-torres opened a pull request:
https://github.com/apache/spark/pull/19056
[SPARK-21765] Check that optimization doesn't affect isStreaming bit.
## What changes were proposed in this pull request?
Add an assert in logical plan optimization that the isStreaming bit stays
the same, and fix empty relation rules where that wasn't happening.
## How was this patch tested?
new and existing unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/joseph-torres/spark SPARK-21765-followup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19056.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 #19056
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commit b83349567760dd0d33388d3fc68d8db1b648e1f1
Author: Jose Torres <joseph-tor...@databricks.com>
Date: 2017-08-25T20:48:49Z
Check that optimization doesn't affect isStreaming bit.
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