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}
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