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https://issues.apache.org/jira/browse/FLINK-30817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-30817:
-----------------------------------
Labels: pull-request-available stale-minor (was: pull-request-available)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> ClassCastException in
> TestValuesTableFactory.TestValuesScanTableSourceWithoutProjectionPushDown
> -----------------------------------------------------------------------------------------------
>
> Key: FLINK-30817
> URL: https://issues.apache.org/jira/browse/FLINK-30817
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Shuiqiang Chen
> Priority: Minor
> Labels: pull-request-available, stale-minor
>
> When applying partitions in
> TestValuesScanTableSourceWithoutProjectionPushDown with no partition
> provided, the following code will cause ClassCastException
> {code:java}
> remainingPartitions = (List<Map<String, String>>) Collections.emptyMap();
> this.data.put(Collections.emptyMap(), Collections.emptyList());
> {code}
> {code:java}
> java.lang.ClassCastException: java.util.Collections$EmptyMap cannot be cast
> to java.util.List
> at
> org.apache.flink.table.planner.factories.TestValuesTableFactory$TestValuesScanTableSourceWithoutProjectionPushDown.applyPartitions(TestValuesTableFactory.java:1222)
> at
> org.apache.flink.table.planner.plan.abilities.source.PartitionPushDownSpec.apply(PartitionPushDownSpec.java:57)
> at
> org.apache.flink.table.planner.plan.rules.logical.PushPartitionIntoTableSourceScanRule.onMatch(PushPartitionIntoTableSourceScanRule.java:183)
> at
> org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:343)
> {code}
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