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https://issues.apache.org/jira/browse/SPARK-34459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li resolved SPARK-34459.
-----------------------------
Resolution: Invalid
> map_from_arrays() throws UnsupportedOperationException with array of
> ColumnarMap
> --------------------------------------------------------------------------------
>
> Key: SPARK-34459
> URL: https://issues.apache.org/jira/browse/SPARK-34459
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Allison Wang
> Priority: Minor
>
> An example to reproduce this error:
> {code:scala}
> sql("select map(1, 2) as m_a, map(3, 4) as m_b").write.saveAsTable("t")
> sql("select map_from_arrays(array(1, 2), array(m_a, m_b)) from t")
> {code}
> Exception trace:
> {code:java}
> java.lang.UnsupportedOperationException
> at org.apache.spark.sql.vectorized.ColumnarMap.copy(ColumnarMap.java:51)
> at org.apache.spark.sql.vectorized.ColumnarMap.copy(ColumnarMap.java:25)
> at
> org.apache.spark.sql.catalyst.InternalRow$.copyValue(InternalRow.scala:121)
> at
> org.apache.spark.sql.catalyst.util.GenericArrayData.copy(GenericArrayData.scala:54){code}
> This is due to ColumnarMap's copy method not implemented.
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