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https://issues.apache.org/jira/browse/CALCITE-6200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Nuyanzin closed CALCITE-6200.
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Resolved in release 1.37.0 (2024-05-06)
> RelJson throw UnsupportedOperationException for RexDynamicParam
> ---------------------------------------------------------------
>
> Key: CALCITE-6200
> URL: https://issues.apache.org/jira/browse/CALCITE-6200
> Project: Calcite
> Issue Type: Bug
> Reporter: Jiajun Xie
> Assignee: Jiajun Xie
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.37.0
>
>
> Dump plan for the sql `select * from emp limit ?`.
> RelJson will throw the exception:
> {code:java}
> unknown rex ?0
> java.lang.UnsupportedOperationException: unknown rex ?0
> at org.apache.calcite.rel.externalize.RelJson.toJson(RelJson.java:649)
> at org.apache.calcite.rel.externalize.RelJson.toJson(RelJson.java:455)
> at
> org.apache.calcite.rel.externalize.RelJsonWriter.put(RelJsonWriter.java:102)
> at
> org.apache.calcite.rel.externalize.RelJsonWriter.explain_(RelJsonWriter.java:85)
> at
> org.apache.calcite.rel.externalize.RelJsonWriter.done(RelJsonWriter.java:135)
> at
> org.apache.calcite.rel.AbstractRelNode.explain(AbstractRelNode.java:253)
> at org.apache.calcite.plan.RelOptUtil.dumpPlan(RelOptUtil.java:2109)
> {code}
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