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Posted to github@datafusion.apache.org by "hsiang-c (via GitHub)" <gi...@apache.org> on 2025/09/12 20:50:17 UTC
[PR] refactor: Scala hygiene - remove `scala.collection.JavaConverters` [datafusion-comet]
hsiang-c opened a new pull request, #2393:
URL: https://github.com/apache/datafusion-comet/pull/2393
## Which issue does this PR close?
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We generally require a GitHub issue to be filed for all bug fixes and enhancements and this helps us generate change logs for our releases. You can link an issue to this PR using the GitHub syntax. For example `Closes #123` indicates that this PR will close issue #123.
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Partially closes #. https://github.com/apache/datafusion-comet/issues/2255
## Rationale for this change
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Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed.
Explaining clearly why changes are proposed helps reviewers understand your changes and offer better suggestions for fixes.
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- The scope of https://github.com/apache/datafusion-comet/issues/2255 is huge, so fix the hygiene issues bit by bit.
## What changes are included in this PR?
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There is no need to duplicate the description in the issue here but it is sometimes worth providing a summary of the individual changes in this PR.
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- Depend on [scala-collection-compat](https://github.com/scala/scala-collection-compat) b/c Comet still have Scala 2.12 builds.
- `scala.collection.JavaConverters` is deprecated, replace it with `scala.jdk.CollectionConverters` (scala) and `scala.jdk.javaapi.CollectionConverters` (Java)
## How are these changes tested?
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1. Prevent the code from being accidentally broken by subsequent changes
2. Serve as another way to document the expected behavior of the code
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- Tested locally w/ build profile `-Pscala-2.12` and `-Pscala-2.13`
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Re: [PR] refactor: Scala hygiene - remove `scala.collection.JavaConverters` [datafusion-comet]
Posted by "hsiang-c (via GitHub)" <gi...@apache.org>.
hsiang-c commented on PR #2393:
URL: https://github.com/apache/datafusion-comet/pull/2393#issuecomment-3286990162
SparkSQL tests failed b/c of `java.lang.NoClassDefFoundError`
```
java.lang.NoClassDefFoundError: scala/jdk/javaapi/CollectionConverters
[info] at org.apache.comet.parquet.NativeBatchReader.init(NativeBatchReader.java:259)
[info] at org.apache.comet.parquet.CometParquetFileFormat.$anonfun$buildReaderWithPartitionValues$1(CometParquetFileFormat.scala:169)
```
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Re: [PR] refactor: Scala hygiene - remove `scala.collection.JavaConverters` [datafusion-comet]
Posted by "mbutrovich (via GitHub)" <gi...@apache.org>.
mbutrovich merged PR #2393:
URL: https://github.com/apache/datafusion-comet/pull/2393
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Re: [PR] refactor: Scala hygiene - remove `scala.collection.JavaConverters` [datafusion-comet]
Posted by "codecov-commenter (via GitHub)" <gi...@apache.org>.
codecov-commenter commented on PR #2393:
URL: https://github.com/apache/datafusion-comet/pull/2393#issuecomment-3286897970
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:x: Patch coverage is `0%` with `13 lines` in your changes missing coverage. Please review.
:white_check_mark: Project coverage is 33.06%. Comparing base ([`f09f8af`](https://app.codecov.io/gh/apache/datafusion-comet/commit/f09f8af64c6599255e116a376f4f008f2fd63b43?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)) to head ([`8beb445`](https://app.codecov.io/gh/apache/datafusion-comet/commit/8beb4459d6c78945c4871962b8c5241ccc722957?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)).
:warning: Report is 497 commits behind head on main.
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|---|---|---|
| [...va/org/apache/comet/parquet/NativeBatchReader.java](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&filepath=common%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fcomet%2Fparquet%2FNativeBatchReader.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-Y29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9jb21ldC9wYXJxdWV0L05hdGl2ZUJhdGNoUmVhZGVyLmphdmE=) | 0.00% | [7 Missing :warning: ](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
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| [...a/org/apache/comet/parquet/NativeColumnReader.java](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&filepath=common%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fcomet%2Fparquet%2FNativeColumnReader.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-Y29tbW9uL3NyYy9tYWluL2phdmEvb3JnL2FwYWNoZS9jb21ldC9wYXJxdWV0L05hdGl2ZUNvbHVtblJlYWRlci5qYXZh) | 0.00% | [1 Missing :warning: ](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
| [...et/execution/shuffle/CometUnsafeShuffleWriter.java](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&filepath=spark%2Fsrc%2Fmain%2Fjava%2Forg%2Fapache%2Fspark%2Fsql%2Fcomet%2Fexecution%2Fshuffle%2FCometUnsafeShuffleWriter.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3Bhcmsvc3JjL21haW4vamF2YS9vcmcvYXBhY2hlL3NwYXJrL3NxbC9jb21ldC9leGVjdXRpb24vc2h1ZmZsZS9Db21ldFVuc2FmZVNodWZmbGVXcml0ZXIuamF2YQ==) | 0.00% | [1 Missing :warning: ](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
| [...t/parquet/CometParquetPartitionReaderFactory.scala](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&filepath=spark%2Fsrc%2Fmain%2Fscala%2Forg%2Fapache%2Fcomet%2Fparquet%2FCometParquetPartitionReaderFactory.scala&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3Bhcmsvc3JjL21haW4vc2NhbGEvb3JnL2FwYWNoZS9jb21ldC9wYXJxdWV0L0NvbWV0UGFycXVldFBhcnRpdGlvblJlYWRlckZhY3Rvcnkuc2NhbGE=) | 0.00% | [1 Missing :warning: ](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
| [...n/scala/org/apache/comet/rules/CometScanRule.scala](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&filepath=spark%2Fsrc%2Fmain%2Fscala%2Forg%2Fapache%2Fcomet%2Frules%2FCometScanRule.scala&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3Bhcmsvc3JjL21haW4vc2NhbGEvb3JnL2FwYWNoZS9jb21ldC9ydWxlcy9Db21ldFNjYW5SdWxlLnNjYWxh) | 0.00% | [1 Missing :warning: ](https://app.codecov.io/gh/apache/datafusion-comet/pull/2393?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) |
<details><summary>Additional details and impacted files</summary>
```diff
@@ Coverage Diff @@
## main #2393 +/- ##
=============================================
- Coverage 56.12% 33.06% -23.07%
+ Complexity 976 736 -240
=============================================
Files 119 147 +28
Lines 11743 13408 +1665
Branches 2251 2332 +81
=============================================
- Hits 6591 4433 -2158
- Misses 4012 8183 +4171
+ Partials 1140 792 -348
```
</details>
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