GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/12856
[SPARK-14997][SQL] Fixed FileCatalog to return correct set of files when
there is not partitioning scheme in the given paths
## What changes were proposed in this pull request?
Lets says there are json files in the following directories structure
```
xyz/file0.json
xyz/subdir1/file1.json
xyz/subdir2/file2.json
xyz/subdir1/subsubdir1/file3.json
```
`sqlContext.read.json("xyz")` should read only file0.json according to
behavior in Spark 1.6.1. However in current master, all the 4 files are read.
The fix is to make FileCatalog return only the children files of the given
path if there is not partitioning detected (instead of all the recursive list
of files).
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-14997
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12856.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 #12856
----
commit b1f82ce389721c60bf22694470c52596f3ed9bcc
Author: Tathagata Das <[email protected]>
Date: 2016-05-03T00:29:10Z
Fixed SPARK-14997
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