Anton Haidai created CALCITE-3052: ------------------------------------- Summary: 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
*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"): {code} at org.apache.calcite.prepare.ZEnginePreparingStmt.optimize(ZEnginePreparingStmt.java:311) at org.apache.calcite.prepare.ZEnginePreparingStmt.prepare_(ZEnginePreparingStmt.java:195) at org.apache.calcite.prepare.ZEnginePreparingStmt.prepareRel(ZEnginePreparingStmt.java:142) at org.apache.calcite.prepare.ZEnginePrepareImpl.prepare2_(ZEnginePrepareImpl.java:424) at org.apache.calcite.prepare.ZEnginePrepareImpl.prepareSql(ZEnginePrepareImpl.java:108) ... 55 common frames omitted 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 {code} 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. 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)