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https://issues.apache.org/jira/browse/PARQUET-2347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765935#comment-17765935
]
ASF GitHub Bot commented on PARQUET-2347:
-----------------------------------------
amousavigourabi opened a new pull request, #1141:
URL: https://github.com/apache/parquet-mr/pull/1141
Make sure you have checked _all_ steps below.
### Jira
- [x] My PR addresses the following [Parquet
Jira](https://issues.apache.org/jira/browse/PARQUET/) issues and references
them in the PR title. For example, "PARQUET-1234: My Parquet PR"
- https://issues.apache.org/jira/browse/PARQUET-XXX
- In case you are adding a dependency, check if the license complies with
the [ASF 3rd Party License
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### Tests
- [x] My PR adds the following unit tests __OR__ does not need testing for
this extremely good reason:
Additional parameters to run the read/write tests using the new
interface-using methods.
### Commits
- [x] My commits all reference Jira issues in their subject lines. In
addition, my commits follow the guidelines from "[How to write a good git
commit message](http://chris.beams.io/posts/git-commit/)":
1. Subject is separated from body by a blank line
1. Subject is limited to 50 characters (not including Jira issue reference)
1. Subject does not end with a period
1. Subject uses the imperative mood ("add", not "adding")
1. Body wraps at 72 characters
1. Body explains "what" and "why", not "how"
### Documentation
- [x] In case of new functionality, my PR adds documentation that describes
how to use it.
- All the public functions and the classes in the PR contain Javadoc that
explain what it does
---
jacicmp exclusions have been added for the following classes:
`org.apache.parquet.hadoop.CodecFactory`,
`org.apache.parquet.hadoop.ParquetReader`. When these exclusions are removed,
the following incompatibilities are detected:
```
There is at least one incompatibility:
org.apache.parquet.hadoop.CodecFactory.configuration:FIELD_TYPE_CHANGED,org.apache.parquet.hadoop.ParquetReader$Builder.conf:FIELD_TYPE_CHANGED
```
This PR is part of an effort that has been [discussed on the dev mailing
list](https://lists.apache.org/thread/4wl0l3d9dkpx4w69jx3rwnjk034dtqr8).
> Add interface layer between Parquet and Hadoop Configuration
> ------------------------------------------------------------
>
> Key: PARQUET-2347
> URL: https://issues.apache.org/jira/browse/PARQUET-2347
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Reporter: Atour Mousavi Gourabi
> Priority: Minor
>
> Parquet relies heavily on a few Hadoop classes, such as its Configuration
> class, which is used throughout Parquet's reading and writing logic. If we
> include our own interface for this, this could potentially allow users to use
> Parquet's readers and writers without the Hadoop dependency later on.
> In order to preserve backward compatibility and avoid breaking downstream
> projects, the constructors and methods using Hadoop's constructor should be
> preserved for the time being, though I would favour deprecation in the near
> future.
> This is part of an effort that has been [discussed on the dev mailing
> list|https://lists.apache.org/thread/4wl0l3d9dkpx4w69jx3rwnjk034dtqr8].
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