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https://issues.apache.org/jira/browse/SPARK-35898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17369553#comment-17369553
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Tom van Bussel commented on SPARK-35898:
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I will open a PR with the fix.
> Converting arrays with RowToColumnConverter triggers assertion
> --------------------------------------------------------------
>
> Key: SPARK-35898
> URL: https://issues.apache.org/jira/browse/SPARK-35898
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.1.2
> Reporter: Tom van Bussel
> Priority: Major
>
> When trying to convert a row that contains an array to a ColumnVector with
> RowToColumnConverter the following error is thrown:
> {code:java}
> java.lang.AssertionError at
> org.apache.spark.sql.execution.vectorized.OffHeapColumnVector.putArray(OffHeapColumnVector.java:560)
> at
> org.apache.spark.sql.execution.vectorized.WritableColumnVector.appendArray(WritableColumnVector.java:622)
> at
> org.apache.spark.sql.execution.RowToColumnConverter$ArrayConverter.append(Columnar.scala:353)
> at
> org.apache.spark.sql.execution.RowToColumnConverter$BasicNullableTypeConverter.append(Columnar.scala:241)
> at
> org.apache.spark.sql.execution.RowToColumnConverter.convert(Columnar.scala:221)
> {code}
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