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https://issues.apache.org/jira/browse/SPARK-23722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16405181#comment-16405181
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Sital Kedia commented on SPARK-23722:
-------------------------------------
Actually this is a duplicate of SPARK-21281 and the issue has been resolved in
2.3. Closing
> Add support for inserting empty map or array to table
> -----------------------------------------------------
>
> Key: SPARK-23722
> URL: https://issues.apache.org/jira/browse/SPARK-23722
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.2
> Reporter: Sital Kedia
> Priority: Minor
>
> A query like following fails in spark currently -
> ```
> CREATE TABLE arrayTypeTable (data array<string>)
> INSERT OVERWRITE TABLE arrayTypeTable select array()
> ```
> This is due to Spark is not allowing casting an empty map/array to
> array<string>. This is a use case currently supported by both Hive and Presto
> and we need to support this in order to make Spark compatible with existing
> Hive queries.
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