Shuiqiang Chen created FLINK-30817: -------------------------------------- Summary: 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
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} {panel:title=My title} 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) {panel} -- This message was sent by Atlassian Jira (v8.20.10#820010)