GitHub user lw-lin opened a pull request:
https://github.com/apache/spark/pull/15786
[SPARK-18261][SS] Add statistics to MemorySink for joining
## What changes were proposed in this pull request?
Right now, there is no way to join the output of a memory sink with any
table:
> UnsupportedOperationException: LeafNode MemoryPlan must implement
statistics
This patch adds statistics to MemorySink for joining snapshots of memory
streams with tables.
## How was this patch tested?
Added a test case.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lw-lin/spark memory-sink-stat
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15786.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 #15786
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commit 6dc2c9e18072756d51c4318b9d8a3e99fd4e2c4d
Author: Liwei Lin <lwl...@gmail.com>
Date: 2016-11-05T13:27:26Z
MemorySink statistics for joinintg
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