GitHub user xuanyuanking opened a pull request:
https://github.com/apache/spark/pull/22222
[SPARK-25083][SQL] Remove the type erasure hack in data source scan
## What changes were proposed in this pull request?
1. Add function `inputBatchRDDs` and `inputRowRDDs` interface in
`ColumnarBatchScan`.
2.rewrite them in physical node which extends `ColumnarBatchScan`.
## How was this patch tested?
Refactor work, test with existing UT.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xuanyuanking/spark SPARK-25083
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22222.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 #22222
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commit 992a08b1d77d59daeac95c67d07e5b8efe20ce20
Author: Yuanjian Li <xyliyuanjian@...>
Date: 2018-08-24T15:54:27Z
[SPARK-25083][SQL] Remove the type erasure hack in data source scan
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