[ https://issues.apache.org/jira/browse/CALCITE-5742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-5742: ------------------------------------ Labels: pull-request-available (was: ) > SubstitutionVisitor Causes Infinite Loop when using > AggregateOnCalcToAggregateUnifyRule > --------------------------------------------------------------------------------------- > > Key: CALCITE-5742 > URL: https://issues.apache.org/jira/browse/CALCITE-5742 > Project: Calcite > Issue Type: Bug > Components: core > Affects Versions: 1.34.0 > Reporter: junheleo > Priority: Major > Labels: pull-request-available > > Here is a simple code snippet to reproduce the issue: > {code:java} > // Test case in MaterializedViewSubstitutionVisitorTest > @Test void testAggregateOnProject6() { > sql("select count(1) from (select \"empid\", \"deptno\", \"name\", count(*) > from \"emps\"" > + "group by \"empid\", \"deptno\", \"name\" limit 10) ", > "select \"empid\", \"deptno\" from (select \"empid\", \"deptno\", > \"name\", count(*) from \"emps\"\n" > + "group by \"empid\", \"deptno\", \"name\" limit 10) group by > \"empid\", \"deptno\"") > .noMat(); > }{code} > Canonicalized Query Plan: > {code:java} > -- Query Plan > LogicalAggregate(group=[{0, 1}]) > LogicalCalc(expr#0..3=[{inputs}], proj#0..1=[{exprs}]) > LogicalSort(fetch=[10]) > LogicalAggregate(group=[{0, 1, 2}], EXPR$3=[COUNT()]) > LogicalCalc(expr#0..4=[{inputs}], proj#0..2=[{exprs}]) > LogicalTableScan(table=[[hr, emps]]){code} > Canonicalized Target Plan: > {code:java} > -- Target Plan > LogicalAggregate(group=[{}], EXPR$0=[COUNT()]) > LogicalSort(fetch=[10]) > LogicalAggregate(group=[{0, 1, 2}], EXPR$3=[COUNT()]) > LogicalCalc(expr#0..4=[{inputs}], proj#0..2=[{exprs}]) > LogicalTableScan(table=[[hr, emps]]){code} > The input of Calc Under Aggregate was changed when executing permute in > AggregateOnCalcToAggregateUnifyRule, then Visitor can not skip out because > the condition "queryDescendant == r.after" is not met. > Thank you for your attention to this matter > -- This message was sent by Atlassian Jira (v8.20.10#820010)