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https://issues.apache.org/jira/browse/CALCITE-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16968640#comment-16968640
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Xiening Dai commented on CALCITE-3479:
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If you remove RelSubset.java line 359[1] to line 369, the test case would pass.

[1] 
[https://github.com/apache/calcite/blob/e2c8e68f4ac31498a9a41fb45ead2f64f04b1c36/core/src/main/java/org/apache/calcite/plan/volcano/RelSubset.java#L359]

 

> Stack overflow error thrown when running join query
> ---------------------------------------------------
>
>                 Key: CALCITE-3479
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3479
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Amit Chavan
>            Priority: Major
>         Attachments: IMG_5089.jpg, TestCalcite.java
>
>
> A unit test in our project is failing which is as below.
> The query in question is 
> {code}SELECT * FROM tblspace1.t1 t10, tblspace1.t2 t20 WHERE t20.n1 = 3 AND 
> t10.n1 = 3 AND t20.n1 = t10.n1{code}
> I get a stack overflow error- 
> {noformat}
> -- Mid Plan-- Mid Plan
> LogicalProject(subset=[rel#19:Subset#4.ENUMERABLE.[]], k1=[$0], n1=[$1], 
> s1=[$2], k2=[$3], n10=[$4], s2=[$5])
>   LogicalFilter(subset=[rel#16:Subset#3.NONE.[]], condition=[AND(=($4, 3), 
> =($1, 3), =($4, $1))])
>     LogicalJoin(subset=[rel#14:Subset#2.NONE.[]], condition=[true], 
> joinType=[inner])
>       EnumerableTableScan(subset=[rel#11:Subset#0.ENUMERABLE.[]], 
> table=[[tblspace1, t1]])
>       EnumerableTableScan(subset=[rel#12:Subset#1.ENUMERABLE.[]], 
> table=[[tblspace1, t2]])
> {noformat}
> {code}
> java.lang.StackOverflowError at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:639)
>  at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:643)
>  at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:643)
>  at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:643)
>  at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:643)
>  at 
> org.apache.calcite.plan.volcano.RelSubset$CheapestPlanReplacer.visit(RelSubset.java:643)
> {code}
> Also attaching the UT code in the ticket



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