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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/10/16 15:32:00 UTC

[jira] [Commented] (SPARK-25746) Refactoring ExpressionEncoder

    [ https://issues.apache.org/jira/browse/SPARK-25746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16651927#comment-16651927 ] 

Apache Spark commented on SPARK-25746:
--------------------------------------

User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/22749

> Refactoring ExpressionEncoder
> -----------------------------
>
>                 Key: SPARK-25746
>                 URL: https://issues.apache.org/jira/browse/SPARK-25746
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Liang-Chi Hsieh
>            Priority: Major
>
> This is inspired during implementing SPARK-24762. For now ScalaReflection needs to consider how ExpressionEncoder uses generated serializers and deserializers. And ExpressionEncoder has a weird flat flag. After discussion with [~cloud_fan], it seems to be better to refactor ExpressionEncoder. It should make SPARK-24762 easier to do.



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