GitHub user pwoody opened a pull request:
https://github.com/apache/spark/pull/20935
[SPARK-23819][SQL] Fix InMemoryTableScanExec complex type pruning
## What changes were proposed in this pull request?
This PR allows recording of upper/lower bound values in ColumnStats if the
data type is orderable.
## How was this patch tested?
Added tests to ColumnStatsSuite and InMemoryColumnarQuerySuite.
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pwoody/spark pw/fixColumnStats
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20935.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 #20935
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commit 83e1e5385c8aae52ef14266a6a4c58f4ce9614a9
Author: Patrick Woody <pwoody@...>
Date: 2018-03-29T11:06:47Z
SPARK-23819: InMemoryTableScanExec prunes orderable complex types due to
out of date ColumnStats
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