Sean R. Owen created SPARK-30012:
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Summary: Change classes extending scala collection classes to work
with 2.13
Key: SPARK-30012
URL: https://issues.apache.org/jira/browse/SPARK-30012
Project: Spark
Issue Type: Sub-task
Components: Spark Core, SQL
Affects Versions: 3.0.0
Reporter: Sean R. Owen
Several classes in the code base extend Scala collection classes, like:
- ExternalAppendOnlyMap
- CaseInsensitiveMap
- AttributeMap
- (probably more I haven't gotten to yet)
The collection hierarchy changed in 2.13, and like elsewhere, I don't see that
it's possible to use a compat library or clever coding to bridge the
difference. I think we need to maintain two implementations in parallel source
trees, possibly with a common ancestor with the commonalities.
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