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https://issues.apache.org/jira/browse/SPARK-11159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15187460#comment-15187460
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Luca Bruno commented on SPARK-11159:
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Same here with spark 1.6.0
> Nested SQL UDF raises java.lang.UnsupportedOperationException: Cannot
> evaluate expression
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-11159
> URL: https://issues.apache.org/jira/browse/SPARK-11159
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.1
> Reporter: Jacob Wellington
>
> I'm running spark 1.5.1 and getting the following error:
> {{java.lang.UnsupportedOperationException: Cannot evaluate expression:
> PythonUDF#func_db_v1863(9999)}} whenever I run a query like: {{SELECT
> func_format_v1863(func_db_v1863('9999')) as ds261_v1869 FROM df1}} after
> registering {{func_db_v1863}} and {{func_format_v1863}} as functions.
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