dongjoon-hyun opened a new pull request #833:
URL: https://github.com/apache/orc/pull/833
### What changes were proposed in this pull request?
This PR aims to add an encrypted example file to the `example` directory.
### Why are the changes needed?
`example` directory is a good place to show Apache ORC feature.
### How was this patch tested?
This is an example file which can be read by the following.
**From Java Tools**
```
$ cd java
$ mvn package -DskipTests
$ java -jar tools/target/*-uber.jar data ../examples/encrypted/sample.orc
Processing data file ../examples/encrypted/sample.orc [length: 1355]
{"ssn":null,"email":"841626795E7D351555B835A002E3BF10669DE9B81C95A3D59E10865AC37EA7C3","name":"Dongjoon
Hyun"}
________________________________________________________________________________________________________________________
```
**From Spark 3.2 + Hadoop KMS with the provided `kms.keystore` file**
```
scala> spark.read.option("orc.key.provider",
"hadoop").option("hadoop.security.key.provider.path",
"kms://http@localhost:9600/kms").option("orc.encrypt",
"pii:ssn,email").orc("sample.orc").show
+---------+-------------------+-------------+
| ssn| email| name|
+---------+-------------------+-------------+
|123456789|[email protected]|Dongjoon Hyun|
+---------+-------------------+-------------+
```
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