GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/13138
[SPARK-15351][SQL] RowEncoder should support array as the external type for
ArrayType
## What changes were proposed in this pull request?
This PR improves `RowEncoder` and `MapObjects`, to support array as the
external type for `ArrayType`. The idea is straightforward, we use `Object` as
the external input type for `ArrayType`, and determine its type at runtime in
`MapObjects`.
## How was this patch tested?
new test in `RowEncoderSuite`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark map-object
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13138.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 #13138
----
commit 366b02f7551309443b0e92314532558c1acd184a
Author: Wenchen Fan <[email protected]>
Date: 2016-05-16T14:51:58Z
tmp
commit 3527ee3e05c90b53cf30948dbd19e08970f8f768
Author: Wenchen Fan <[email protected]>
Date: 2016-05-16T17:30:46Z
RowEncoder should support array as the external type for ArrayType
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