GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/11604
[SPARK-13766][SQL] Consistent file extensions for files written by internal
data sources
## What changes were proposed in this pull request?
This PR makes the file extensions (written by internal datasource)
consistent.
This was below:
- TEXT, CSV and JSON
```
[.COMPRESSION_CODEC_NAME]
```
- Parquet
```
[.COMPRESSION_CODEC_NAME].parquet
```
- ORC -
```
.orc
```
Now, it has the extensions below:
- TEXT, CSV and JSON
```
.txt[.COMPRESSION_CODEC_NAME]
.csv[.COMPRESSION_CODEC_NAME]
.json[.COMPRESSION_CODEC_NAME]
```
- Parquet
```
[.COMPRESSION_CODEC_NAME].parquet
```
- ORC -
```
[.COMPRESSION_CODEC_NAME].orc
```
When the compression codec is set,
- For Parquet or ORC, each still stays in Parquet and ORC format but just
have compressed data internally. So, I think it is okay to name `.parquet` and
`.orc` at the end.
- For Text, CSV and JSON, each does not stays in each format but it has
different data format according to compression codec. So, each has the names
`.json`, `.csv` and `.txt` before the compression extension.
## How was this patch tested?
Unit tests are used and `./dev/run_tests` for coding style tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-13766
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11604.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 #11604
----
commit 0e9b003c35a063cfafaeb8fbf30cbdb11d11f70a
Author: hyukjinkwon <[email protected]>
Date: 2016-03-09T09:33:10Z
Inconsistent file extensions and omitted file extensions written by CSV,
TEXT and JSON data sources
----
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