huaxingao commented on a change in pull request #27729: [MINOR][SQL] Remove
unnecessary MiMa excludes
URL: https://github.com/apache/spark/pull/27729#discussion_r385523466
##########
File path: project/MimaExcludes.scala
##########
@@ -216,14 +216,6 @@ object MimaExcludes {
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.ml.regression.RandomForestRegressionModel.setMinInstancesPerNode"),
ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.ml.regression.RandomForestRegressionModel.setNumTrees"),
- // [SPARK-26124] Update plugins, including MiMa
Review comment:
I think these are not needed any more because of the following was added in
https://github.com/apache/spark/pull/23086
```
// Data Source V2 API changes
(problem: Problem) => problem match {
case MissingClassProblem(cls) =>
!cls.fullName.startsWith("org.apache.spark.sql.sources.v2")
case MissingTypesProblem(newCls, _) =>
!newCls.fullName.startsWith("org.apache.spark.sql.sources.v2")
case InheritedNewAbstractMethodProblem(cls, _) =>
!cls.fullName.startsWith("org.apache.spark.sql.sources.v2")
case DirectMissingMethodProblem(meth) =>
!meth.owner.fullName.startsWith("org.apache.spark.sql.sources.v2")
case ReversedMissingMethodProblem(meth) =>
!meth.owner.fullName.startsWith("org.apache.spark.sql.sources.v2")
case _ => true
}
```
Then, because of https://github.com/apache/spark/pull/25700
```
org.apache.spark.sql.sources.v2.reader -> org.apache.spark.sql.connector.read
```
I think we can actually change the above code to the following
```
(problem: Problem) => problem match {
case MissingClassProblem(cls) =>
!cls.fullName.startsWith("org.apache.spark.sql.sources.v2")
case _ => true
```
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