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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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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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