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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/04/06 06:47:00 UTC
[jira] [Commented] (SPARK-34963) Nested column pruning fails to
extract case-insensitive struct field from array
[ https://issues.apache.org/jira/browse/SPARK-34963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17315288#comment-17315288 ]
Apache Spark commented on SPARK-34963:
--------------------------------------
User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/32059
> Nested column pruning fails to extract case-insensitive struct field from array
> -------------------------------------------------------------------------------
>
> Key: SPARK-34963
> URL: https://issues.apache.org/jira/browse/SPARK-34963
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.7, 3.0.2, 3.2.0, 3.1.1
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
>
> Under case-insensitive mode, nested column pruning rule cannot correctly push down extractor of a struct field of an array of struct, e.g.,
> {code}
> val query = spark.table("contacts").select("friends.First", "friends.MiDDle")
> {code}
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