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https://issues.apache.org/jira/browse/SPARK-24636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon reassigned SPARK-24636:
------------------------------------
Assignee: Marek Novotny
> Type Coercion of Arrays for array_join Function
> -----------------------------------------------
>
> Key: SPARK-24636
> URL: https://issues.apache.org/jira/browse/SPARK-24636
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Marek Novotny
> Assignee: Marek Novotny
> Priority: Major
> Fix For: 2.4.0
>
>
> The description of SPARK-23916 refers to the implementation of {{array_join}}
> function in Presto. This implementation accepts arbitrary arrays of primitive
> types as an input.:
> {{presto> SELECT array_join(ARRAY [1, 2, 3], ', ');}}
> {{_col0}}
> {{---------}}
> {{1, 2, 3}}
> {{(1 row)}}
> The goal of this Jira ticket is to change the current implementation of
> {{array_join}} function to support other types of arrays.
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