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https://issues.apache.org/jira/browse/DRILL-3464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617569#comment-14617569
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Jinfeng Ni commented on DRILL-3464:
-----------------------------------
LGTM.
+1
> Index out of bounds exception while performing concat()
> -------------------------------------------------------
>
> Key: DRILL-3464
> URL: https://issues.apache.org/jira/browse/DRILL-3464
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Mehant Baid
> Assignee: Jinfeng Ni
> Fix For: 1.2.0
>
> Attachments: DRILL-3464.patch
>
>
> We hit IOOB while performing concat() on a single input in DrillOptiq. Below
> is the stack trace:
> at java.util.ArrayList.rangeCheck(ArrayList.java:635) ~[na:1.7.0_67]
> at java.util.ArrayList.get(ArrayList.java:411) ~[na:1.7.0_67]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.getDrillFunctionFromOptiqCall(DrillOptiq.java:373)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:106)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill.visitCall(DrillOptiq.java:77)
> ~[classes/:na]
> at org.apache.calcite.rex.RexCall.accept(RexCall.java:107) ~[classes/:na]
> at
> org.apache.drill.exec.planner.logical.DrillOptiq.toDrill(DrillOptiq.java:74)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.common.DrillProjectRelBase.getProjectExpressions(DrillProjectRelBase.java:111)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.physical.ProjectPrel.getPhysicalOperator(ProjectPrel.java:57)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.physical.ScreenPrel.getPhysicalOperator(ScreenPrel.java:51)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToPop(DefaultSqlHandler.java:392)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan(DefaultSqlHandler.java:167)
> ~[classes/:na]
> at
> org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:178)
> ~[classes/:na]
> at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:903)
> [classes/:na]
> at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:242)
> [classes/:na]
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