[CALCITE-6200] RelJson throw UnsupportedOperationException for RexDynamicParam

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.37.0
• Labels: pull-request-available
• Assignee: Jiajun Xie
• Reporter: Jiajun Xie
• Created: 14/Jan/24 06:09
• Updated: 06/May/24 22:19
• Resolved: 16/Jan/24 02:36

Description

Dump plan for the sql `select * from emp limit ?`.

RelJson will throw the exception:

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) 

Issue Links

• links to: GitHub Pull Request #3626