[DRILL-7072] Query with semi join fails for JDBC storage plugin

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.15.0
• Fix Version/s: 1.16.0
• Component/s: Storage - JDBC
• Labels: ready-to-commit
• Assignee: Vova Vysotskyi
• Reporter: Vova Vysotskyi
• Reviewer: Vitalii Diravka
• Created: 03/Mar/19 12:46
• Updated: 27/Sep/19 14:24
• Resolved: 09/Mar/19 00:59

Description

When running a query with semi join for JDBC storage plugin, it fails with class cast exception:

select person_id from mysql.`drill_mysql_test`.person t1
where exists (
select person_id from mysql.`drill_mysql_test`.person
where t1.person_id = person_id)

SYSTEM ERROR: ClassCastException: org.apache.calcite.adapter.jdbc.JdbcRules$JdbcAggregate cannot be cast to org.apache.drill.exec.planner.logical.DrillAggregateRel


Please, refer to logs for more information.

[Error Id: 85a27762-a4e5-4571-909f-0efa18ca0689 on user515050-pc:31013]
org.apache.drill.common.exceptions.UserException: SYSTEM ERROR: ClassCastException: org.apache.calcite.adapter.jdbc.JdbcRules$JdbcAggregate cannot be cast to org.apache.drill.exec.planner.logical.DrillAggregateRel


Please, refer to logs for more information.

[Error Id: 85a27762-a4e5-4571-909f-0efa18ca0689 on user515050-pc:31013]
	at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:633) ~[classes/:na]
	at org.apache.drill.exec.work.foreman.Foreman$ForemanResult.close(Foreman.java:779) [classes/:na]
	at org.apache.drill.exec.work.foreman.QueryStateProcessor.checkCommonStates(QueryStateProcessor.java:325) [classes/:na]
	at org.apache.drill.exec.work.foreman.QueryStateProcessor.planning(QueryStateProcessor.java:221) [classes/:na]
	at org.apache.drill.exec.work.foreman.QueryStateProcessor.moveToState(QueryStateProcessor.java:83) [classes/:na]
	at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:299) [classes/:na]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_191]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_191]
	at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]
Caused by: org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: org.apache.calcite.adapter.jdbc.JdbcRules$JdbcAggregate cannot be cast to org.apache.drill.exec.planner.logical.DrillAggregateRel
	at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:300) [classes/:na]
	... 3 common frames omitted
Caused by: java.lang.ClassCastException: org.apache.calcite.adapter.jdbc.JdbcRules$JdbcAggregate cannot be cast to org.apache.drill.exec.planner.logical.DrillAggregateRel
	at org.apache.drill.exec.planner.logical.DrillSemiJoinRule.matches(DrillSemiJoinRule.java:171) ~[classes/:na]
	at org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:557) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:420) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:257) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:216) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:203) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:431) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:382) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform(DefaultSqlHandler.java:365) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel(DefaultSqlHandler.java:289) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel(DefaultSqlHandler.java:331) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:178) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan(DrillSqlWorker.java:204) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.DrillSqlWorker.convertPlan(DrillSqlWorker.java:123) ~[classes/:na]
	at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:80) ~[classes/:na]
	at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:584) [classes/:na]
	at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:272) [classes/:na]
	... 3 common frames omitted

Looks like it was caused by DRILL-6997.

Issue Links

• links to: GitHub Pull Request #1674