GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/1889
[SPARK-2969][SQL] Make ScalaReflection be able to handle
MapType.containsNull and MapType.valueContainsNull.
Make `ScalaReflection` be able to handle like:
- `Seq[Int]` as `ArrayType(IntegerType, containsNull = false)`
- `Seq[java.lang.Integer]` as `ArrayType(IntegerType, containsNull = true)`
- `Map[Int, Long]` as `MapType(IntegerType, LongType, valueContainsNull =
false)`
- `Map[Int, java.lang.Long]` as `MapType(IntegerType, LongType,
valueContainsNull = true)`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2969
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1889.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 #1889
----
commit 1a9a96bf752dc33d19cb3654e05bc35c28b9ae08
Author: Takuya UESHIN <ues...@happy-camper.st>
Date: 2014-08-11T10:46:24Z
Modify ScalaReflection to handle ArrayType.containsNull and
MapType.valueContainsNull.
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