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https://issues.apache.org/jira/browse/FLINK-8242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16337413#comment-16337413
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ASF GitHub Bot commented on FLINK-8242:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/5345#discussion_r163517596
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/util/RexProgramExtractor.scala
---
@@ -214,6 +213,10 @@ class RexNodeToExpressionConverter(
// convert to BigDecimal
literal.getValueAs(classOf[java.math.BigDecimal])
+ case _ if literal.getValue.isInstanceOf[NlsString] =>
--- End diff --
This should not be necessary because it is already done line 204. All tests
are still working if I remove this change.
> ClassCastException in OrcTableSource.toOrcPredicate
> ---------------------------------------------------
>
> Key: FLINK-8242
> URL: https://issues.apache.org/jira/browse/FLINK-8242
> Project: Flink
> Issue Type: Bug
> Components: Batch Connectors and Input/Output Formats
> Affects Versions: 1.4.0
> Reporter: Fabian Hueske
> Assignee: Fabian Hueske
> Priority: Critical
> Fix For: 1.5.0, 1.4.1
>
>
> The {{OrcTableSource}} tries to cast all predicate literals to
> {{Serializable}} in its {{toOrcPredicate()}} method. This fails with a
> {{ClassCastException}} if a literal is not serializable.
> Instead of failing, we should ignore the predicate and log a WARN message.
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