[SPARK-45685] Use `LazyList` instead of `Stream`

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Build, Spark Core, SQL
• Labels: pull-request-available
• Assignee: Yang Jie
• Reporter: Yang Jie
• Created: 27/Oct/23 02:17
• Updated: 30/Oct/23 11:03
• Resolved: 30/Oct/23 05:44

Description

• class Stream in package immutable is deprecated (since 2.13.0)
• object Stream in package immutable is deprecated (since 2.13.0)
• type Stream in package scala is deprecated (since 2.13.0)
• value Stream in package scala is deprecated (since 2.13.0)
• method append in class Stream is deprecated (since 2.13.0)
• method toStream in trait IterableOnceOps is deprecated (since 2.13.0)

 

[warn] /Users/yangjie01/SourceCode/git/spark-mine-sbt/sql/core/src/test/scala/org/apache/spark/sql/GenTPCDSData.scala:49:20: class Stream in package immutable is deprecated (since 2.13.0): Use LazyList (which is fully lazy) instead of Stream (which has a lazy tail only)
[warn] Applicable -Wconf / @nowarn filters for this warning: msg=<part of the message>, cat=deprecation, site=org.apache.spark.sql.BlockingLineStream.BlockingStreamed.stream, origin=scala.collection.immutable.Stream, version=2.13.0
[warn]     val stream: () => Stream[T])
[warn]                    ^ 

Issue Links

• links to: GitHub Pull Request #43563