[jira] [Resolved] (CALCITE-3052) Error while applying rule MaterializedViewAggregateRule(Project-Aggregate): ArrayIndexOutOfBoundsException

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-3052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez resolved CALCITE-3052.
----------------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.20.0

Fixed in [046bb81a9a4ac3e5b63c0ca4a0141446df325a44|https://github.com/apache/calcite/commit/046bb81a9a4ac3e5b63c0ca4a0141446df325a44].

> Error while applying rule MaterializedViewAggregateRule(Project-Aggregate): ArrayIndexOutOfBoundsException
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-3052
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3052
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.19.0
>            Reporter: Anton Haidai
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.20.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> *Materialized views enabled:*
> # {{select avg(grade), count\(*), max(grade), sum(grade), min(grade), team from students group by team}}
> # {{select avg(grade), count\(*), max(grade), sum(grade), min(grade), team, faculty from students group by faculty, team}},
> *Query:*
> # {{select count\(*), team from students group by team}}
> *Error* (stacktrace is obtained using the current *master* branch: "247c7d4f76"):
> {noformat}
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 2
> 	at com.google.common.collect.RegularImmutableList.get(RegularImmutableList.java:60)
> 	at org.apache.calcite.rex.RexBuilder.makeInputRef(RexBuilder.java:841)
> 	at org.apache.calcite.rel.rules.AbstractMaterializedViewRule$MaterializedViewAggregateRule.rewriteView(AbstractMaterializedViewRule.java:1507)
> 	at org.apache.calcite.rel.rules.AbstractMaterializedViewRule.perform(AbstractMaterializedViewRule.java:522)
> 	at org.apache.calcite.rel.rules.AbstractMaterializedViewRule$MaterializedViewProjectAggregateRule.onMatch(AbstractMaterializedViewRule.java:1776)
> 	at org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:208)
> 	... 71 common frames omitted
> {noformat}
> Reproducible only if both Materialization views listed are enabled: any single one of these two could be successfully used with the query without any errors. Looks like is is reproducible when AbstractMaterializedViewRule is trying to rewrite one materialized view using the another materialized view.
> Currently, I'm trying to reproduce the issue in "MaterializationTest": without a success so far, I'll update the ticket if I'll find a working way to reproduce the issue in the test will be discovered.



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