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Posted to issues@spark.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/12/20 23:45:00 UTC
[jira] [Commented] (SPARK-26416) Refactor `ColumnPruning` from
`Optimizer.scala` to `ColumnPruning.scala`
[ https://issues.apache.org/jira/browse/SPARK-26416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726326#comment-16726326 ]
ASF GitHub Bot commented on SPARK-26416:
----------------------------------------
dbtsai opened a new pull request #23359: [SPARK-26416] [SQL] Refactor `ColumnPruning` from `Optimizer.scala` to `ColumnPruning.scala`
URL: https://github.com/apache/spark/pull/23359
## What changes were proposed in this pull request?
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`.
## How was this patch tested?
Existing tests.
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> 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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