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https://issues.apache.org/jira/browse/CALCITE-3255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909734#comment-16909734
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Water Cut Off commented on CALCITE-3255:
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[~danny0405]，Thank you for your answer,{color:#FF0000} but can you give me an
example for vocano planner{color}? cause i just don't understand this problem,
I will _appreciate_ your example.
> CannotPlanException: There are not enough rules to produce a node with
> desired properties
> -----------------------------------------------------------------------------------------
>
> Key: CALCITE-3255
> URL: https://issues.apache.org/jira/browse/CALCITE-3255
> Project: Calcite
> Issue Type: Bug
> Environment: !image-2019-08-16-18-09-57-964.png!
> Reporter: Water Cut Off
> Assignee: Danny Chan
> Priority: Major
> Attachments: image-2019-08-16-18-09-57-964.png
>
>
> I want to use calcite volcano planner to estimate sql cost,but it doesn't
> work when i try to test a case,The exception is blow:
> {color:#FF0000}org.apache.calcite.plan.RelOptPlanner$CannotPlanException:
> There are not enough rules to produce a node with desired properties:
> convention=NONE, sort=[]. All the inputs have relevant nodes, however the
> cost is still infinite.{color}
> {color:#FF0000} Root: rel#40:Subset#4.NONE.[]{color}
> {color:#FF0000} Original rel:{color}
>
>
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