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https://issues.apache.org/jira/browse/DRILL-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sean Hsuan-Yi Chu resolved DRILL-2155.
--------------------------------------
Resolution: Fixed
> Subquery in projection list that returns scalar result throws an exception
> --------------------------------------------------------------------------
>
> Key: DRILL-2155
> URL: https://issues.apache.org/jira/browse/DRILL-2155
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Assignee: Sean Hsuan-Yi Chu
> Fix For: 0.9.0
>
>
> Since there is no correlation, it shouldn't even plan ...
> I think we should throw the same error as in DRILL-1921 (cross join)
> {code}
> 0: jdbc:drill:schema=dfs> select c_integer, (select current_timestamp from t1
> limit 1) from t1;
> Query failed: AssertionError: must call validate first
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> 0: jdbc:drill:schema=dfs> select c_integer, (select current_timestamp from t1
> limit 1) b from t1;
> Query failed: AssertionError: must call validate first
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> {code}
> drillbit.log
> {code}
> 2015-02-03 22:33:16,008 [2b2eb354-2084-7da7-4e33-0debc7a90921:foreman] INFO
> o.a.drill.exec.work.foreman.Foreman - State change requested. PENDING -->
> FAILED
> org.apache.drill.exec.work.foreman.ForemanException: Unexpected exception
> during fragment initialization: must call validate first
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:197)
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:254)
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor$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.AssertionError: must call validate first
> at
> org.eigenbase.sql.validate.IdentifierNamespace.resolve(IdentifierNamespace.java:139)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:1686)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:494)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:474)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:2657)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertQueryOrInList(SqlToRelConverter.java:1267)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertExists(SqlToRelConverter.java:1240)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.substituteSubquery(SqlToRelConverter.java:1003)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.replaceSubqueries(SqlToRelConverter.java:859)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertSelectList(SqlToRelConverter.java:3279)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:519)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:474)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:2657)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.eigenbase.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:432)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> net.hydromatic.optiq.prepare.PlannerImpl.convert(PlannerImpl.java:186)
> ~[optiq-core-0.9-drill-r18.jar:na]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRel(DefaultSqlHandler.java:149)
> ~[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:126)
> ~[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:513)
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:188)
> [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT]
> ... 4 common frames omitted
> 2015-02-03 22:33:16,021 [2b2eb354-2084-7da7-4e33-0debc7a90921:foreman] ERROR
> o.a.drill.exec.work.foreman.Foreman - Error
> 36ee9a38-987e-4c7b-8cff-385e8a5bf8c1: AssertionError: must call validate first
> {code}
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