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https://issues.apache.org/jira/browse/SPARK-26402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26402:
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Assignee: Apache Spark (was: DB Tsai)
> 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: Apache Spark
> 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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