[ https://issues.apache.org/jira/browse/CALCITE-3447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jin Xing reassigned CALCITE-3447: --------------------------------- Assignee: Jin Xing > Fix equivalents in method SubstitutionVisitor#go > ------------------------------------------------ > > Key: CALCITE-3447 > URL: https://issues.apache.org/jira/browse/CALCITE-3447 > Project: Calcite > Issue Type: Bug > Components: core > Reporter: daimin > Assignee: Jin Xing > Priority: Minor > Labels: pull-request-available > Fix For: 1.23.0 > > Time Spent: 7h > Remaining Estimate: 0h > > Code segment here depends on `hashcode` and `equals` methods of class > `MutableRel`: > [https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/plan/SubstitutionVisitor.java#L492-L502] > > However the implementations of class `MutableScan` delegates to class > `TableScan`, which directly relies on implementations of class `Object`. This > leads to a situation that two `MutableScan` on the exactly same table will > not be considered as equivalent. -- This message was sent by Atlassian Jira (v8.3.4#803005)