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https://issues.apache.org/jira/browse/FLINK-40377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Nuyanzin resolved FLINK-40377.
-------------------------------------
Fix Version/s: 2.4.0
Resolution: Fixed
> MatchRecognize fails with Unsupported RelDataType: UNKNOWN while json plan
> generation
> -------------------------------------------------------------------------------------
>
> Key: FLINK-40377
> URL: https://issues.apache.org/jira/browse/FLINK-40377
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> looks like regression after Calcite upgrade to 1.39.0
> trace
> {noformat}
> Caused by: org.apache.flink.table.api.TableException: Unsupported
> RelDataType: UNKNOWN
> at
> org.apache.flink.table.planner.typeutils.LogicalRelDataTypeConverter.toLogicalTypeNotNull(LogicalRelDataTypeConverter.java:617)
> at
> org.apache.flink.table.planner.typeutils.LogicalRelDataTypeConverter.toLogicalType(LogicalRelDataTypeConverter.java:110)
> at
> org.apache.flink.table.planner.plan.nodes.exec.serde.RelDataTypeJsonSerializer.serialize(RelDataTypeJsonSerializer.java:60)
> at
> org.apache.flink.table.planner.plan.nodes.exec.serde.RelDataTypeJsonSerializer.serialize(RelDataTypeJsonSerializer.java:39)
> at
> org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.SerializerProvider.defaultSerializeField(SerializerProvider.java:1209)
> at
> org.apache.flink.table.planner.plan.nodes.exec.serde.RexNodeJsonSerializer.serializeCall(RexNodeJsonSerializer.java:385)
> at
> org.apache.flink.table.planner.plan.nodes.exec.serde.RexNodeJsonSerializer.serialize(RexNodeJsonSerializer.java:169)
> at
> org.apache.flink.table.planner.plan.nodes.exec.serde.RexNodeJsonSerializer.serialize(RexNodeJsonSerializer.java:77)
> {noformat}
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