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https://issues.apache.org/jira/browse/SPARK-40292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apache Spark reassigned SPARK-40292:
------------------------------------
Assignee: Apache Spark
> arrays_zip output unexpected alias column names
> -----------------------------------------------
>
> Key: SPARK-40292
> URL: https://issues.apache.org/jira/browse/SPARK-40292
> Project: Spark
> Issue Type: Task
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Linhong Liu
> Assignee: Apache Spark
> Priority: Major
>
> For the below query:
> {code:sql}
> with q as (
> select
> named_struct(
> 'my_array', array(named_struct('x', 1, 'y', 2))
> ) as my_struct
> )
> select
> arrays_zip(my_struct.my_array)
> from
> q {code}
> The latest spark gives the below schema, the field name "my_array" was
> changed to "0"
> {code:java}
> root
> |-- arrays_zip(my_struct.my_array): array (nullable = true)
> | |-- element: struct (containsNull = false)
> | | |-- 0: struct (nullable = true)
> | | | |-- x: integer (nullable = true)
> | | | |-- y: integer (nullable = true){code}
> While Spark 3.1 gives the expected result
> {code:java}
> root
> |-- arrays_zip(my_struct.my_array): array (nullable = true)
> | |-- element: struct (containsNull = false)
> | | |-- my_array: struct (nullable = true)
> | | | |-- x: integer (nullable = true)
> | | | |-- y: integer (nullable = true)
> {code}
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