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Posted to issues@spark.apache.org by "DB Tsai (JIRA)" <ji...@apache.org> on 2018/12/19 00:14:00 UTC

[jira] [Updated] (SPARK-26402) Canonicalization on GetStructField

     [ https://issues.apache.org/jira/browse/SPARK-26402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

DB Tsai updated SPARK-26402:
----------------------------
    Description: GetStructField with different optional names should be semantically equal. We will use this as building block to compare the nested fields used in the plans to be optimized by catalyst optimizer.

> Canonicalization on GetStructField
> ----------------------------------
>
>                 Key: SPARK-26402
>                 URL: https://issues.apache.org/jira/browse/SPARK-26402
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: DB Tsai
>            Assignee: DB Tsai
>            Priority: Major
>
> GetStructField with different optional names should be semantically equal. We will use this as building block to compare the nested fields used in the plans to be optimized by catalyst optimizer.



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