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Xiening Dai commented on CALCITE-3479: -------------------------------------- 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 -- This message was sent by Atlassian Jira (v8.3.4#803005)