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Posted to issues@drill.apache.org by "Victoria Markman (JIRA)" <ji...@apache.org> on 2015/03/23 19:11:52 UTC
[jira] [Updated] (DRILL-2523) Correlated subquery with group by and
count() throws unclear error
[ https://issues.apache.org/jira/browse/DRILL-2523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Victoria Markman updated DRILL-2523:
------------------------------------
Attachment: t1.parquet
> Correlated subquery with group by and count(<column name>) throws unclear error
> -------------------------------------------------------------------------------
>
> Key: DRILL-2523
> URL: https://issues.apache.org/jira/browse/DRILL-2523
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Assignee: Jinfeng Ni
> Attachments: t1.parquet
>
>
> Correlated subquery: works, returns correct result
> {code}
> 0: jdbc:drill:schema=dfs> select * from t2 where a2 not in ( select a1 from t1 where t2.b2 = t1.b1 );
> +------------+------------+------------+
> | a2 | b2 | c2 |
> +------------+------------+------------+
> | 0 | zzz | 2014-12-31 |
> | 4 | ddddd | 2015-01-04 |
> +------------+------------+------------+
> 2 rows selected (4.893 seconds)
> {code}
> count (\*) works
> {code}
> 0: jdbc:drill:schema=dfs> select t2.c2, count(*) from t2 where a2 not in ( select a1 from t1 where t2.b2 = t1.b1 ) group by t2.c2 order by t2.c2;
> +------------+------------+
> | c2 | EXPR$1 |
> +------------+------------+
> | 2014-12-31 | 1 |
> | 2015-01-04 | 1 |
> +------------+------------+
> 2 rows selected (1.201 seconds)
> {code}
> count(<column name>) does not work and throws an error.
> Postgres returns result in this case. I'm not sure what is wrong with this query and error does not tell me anything ....
> {code}
> 0: jdbc:drill:schema=dfs> select t2.c2, count(t2.b2) from t2 where a2 not in ( select a1 from t1 where t2.b2 = t1.b1 ) group by t2.c2 order by t2.c2;
> Query failed: IllegalArgumentException: Target must be less than target count, 2
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> drillbit.log
> {code}
> 2015-03-23 18:07:30,799 [2aefa99c-d961-f2c2-29a2-f2265d0b72a6:foreman] ERROR o.a.drill.exec.work.foreman.Foreman - Error 7e9910d4-9302-4b2c-9463-689b67f15601: IllegalArgumentException: Target must be less than target count, 2
> org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception during fragment initialization: Target must be less than target count, 2
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:211) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_71]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_71]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> Caused by: java.lang.IllegalArgumentException: Target must be less than target count, 2
> at org.eigenbase.util.mapping.Mappings$PartialFunctionImpl.set(Mappings.java:1374) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.util.mapping.Mappings.target(Mappings.java:266) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:304) ~[optiq-core-0.9-drill-r20.jar:na]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_71]
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[na:1.7.0_71]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.7.0_71]
> at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_71]
> at org.eigenbase.util.ReflectUtil.invokeVisitorInternal(ReflectUtil.java:252) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.util.ReflectUtil.invokeVisitor(ReflectUtil.java:209) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.util.ReflectUtil$1.invokeVisitor(ReflectUtil.java:473) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql2rel.RelDecorrelator$DecorrelateRelVisitor.visit(RelDecorrelator.java:1372) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql2rel.RelDecorrelator.decorrelate(RelDecorrelator.java:135) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql2rel.SqlToRelConverter.decorrelateQuery(SqlToRelConverter.java:2618) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.eigenbase.sql2rel.SqlToRelConverter.decorrelate(SqlToRelConverter.java:363) ~[optiq-core-0.9-drill-r20.jar:na]
> at net.hydromatic.optiq.prepare.PlannerImpl.convert(PlannerImpl.java:189) ~[optiq-core-0.9-drill-r20.jar:na]
> at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRel(DefaultSqlHandler.java:175) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:134) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:145) ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:735) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:202) [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> ... 4 common frames omitted
> {code}
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