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https://issues.apache.org/jira/browse/SPARK-26416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26416:
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Assignee: DB Tsai (was: Apache Spark)
> Refactor `ColumnPruning` from `Optimizer.scala` to `ColumnPruning.scala`
> ------------------------------------------------------------------------
>
> Key: SPARK-26416
> URL: https://issues.apache.org/jira/browse/SPARK-26416
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: DB Tsai
> Assignee: DB Tsai
> Priority: Major
> Fix For: 3.0.0
>
>
> As `Optimizer.scala` becomes bigger and bigger, it's hard to add new rules
> and maintain them. We are refactoring out `ColumnPruning` from
> `Optimizer.scala` to `ColumnPruning.scala` so it's easier to add new logics
> in `ColumnPruning`.
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