Julian Hyde created CALCITE-5223: ------------------------------------ Summary: AdjustProjectForCountAggregateRule throws ArrayIndexOutOfBoundsException Key: CALCITE-5223 URL: https://issues.apache.org/jira/browse/CALCITE-5223 Project: Calcite Issue Type: Bug Reporter: Julian Hyde
While decorrelating a query with a scalar sub-query, AdjustProjectForCountAggregateRule throws ArrayIndexOutOfBoundsException. Here is an example (also in attached PR). {noformat} ./sqlline !connect jdbc:calcite:model=core/src/test/resources/hsqldb-model.json sa sa SELECT deptno, ename, job, sal, sal / (SELECT SUM(sal) FROM Emp WHERE deptno = e.deptno) AS pct_dept, sal / (SELECT SUM(sal) FROM Emp) AS pct_total FROM Emp AS e WHERE job = 'CLERK' ORDER BY deptno; java.lang.ArrayIndexOutOfBoundsException: Index 7 out of bounds for length 6 at com.google.common.collect.RegularImmutableList.get(RegularImmutableList.java:77) at org.apache.calcite.rex.RexBuilder.makeInputRef(RexBuilder.java:911) at org.apache.calcite.sql2rel.RelDecorrelator$AdjustProjectForCountAggregateRule.lambda$onMatch2$4(RelDecorrelator.java:2673) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at org.apache.calcite.sql2rel.RelDecorrelator$AdjustProjectForCountAggregateRule.onMatch2(RelDecorrelator.java:2674) at org.apache.calcite.sql2rel.RelDecorrelator$AdjustProjectForCountAggregateRule.onMatch(RelDecorrelator.java:2604) at org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:337) at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:556) at org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:420) at org.apache.calcite.plan.hep.HepPlanner.executeRuleInstance(HepPlanner.java:243) at org.apache.calcite.plan.hep.HepInstruction$RuleInstance$State.execute(HepInstruction.java:178) at org.apache.calcite.plan.hep.HepPlanner.lambda$executeProgram$0(HepPlanner.java:211) at com.google.common.collect.ImmutableList.forEach(ImmutableList.java:422) at org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:210) at org.apache.calcite.plan.hep.HepProgram$State.execute(HepProgram.java:118) at org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:205) at org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:191) at org.apache.calcite.sql2rel.RelDecorrelator.decorrelate(RelDecorrelator.java:291) at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateQuery(RelDecorrelator.java:230) at org.apache.calcite.tools.Programs$DecorrelateProgram.run(Programs.java:361) at org.apache.calcite.tools.Programs$SequenceProgram.run(Programs.java:336) at org.apache.calcite.prepare.Prepare.optimize(Prepare.java:177) at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:312) at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:220) at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:648) at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:514) at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:484) at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:234) at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:623) at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:677) at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156) {noformat} -- This message was sent by Atlassian Jira (v8.20.10#820010)