[
https://issues.apache.org/jira/browse/TAJO-189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jinho Kim reassigned TAJO-189:
------------------------------
Assignee: Jinho Kim
> LazyTuple should return NullDatum if a column value is null
> -----------------------------------------------------------
>
> Key: TAJO-189
> URL: https://issues.apache.org/jira/browse/TAJO-189
> Project: Tajo
> Issue Type: Bug
> Components: physical operator
> Reporter: Hyunsik Choi
> Assignee: Jinho Kim
> Priority: Blocker
> Fix For: 0.2-incubating
>
>
> When a query including LIKE expression is executed, LikeEval causes the
> following NPE if a operand value is NULL. This is because BinaryEval and
> EvalNodes assume that NullDatum comes when it is null. We need to fix it.
> {noformat}
> 2013-09-17 16:20:36,074 INFO worker.TaskRunner (TaskRunner.java:run(300)) -
> Request GetTask:
> eb_1379402400673_0001_000001,container_1379402400673_0001_01_000025
> 2013-09-17 16:20:36,238 ERROR worker.Task (Task.java:run(388)) -
> java.lang.NullPointerException
> at org.apache.tajo.engine.eval.BinaryEval.terminate(BinaryEval.java:158)
> at org.apache.tajo.engine.eval.BinaryEval.terminate(BinaryEval.java:151)
> at
> org.apache.tajo.engine.planner.physical.SeqScanExec.next(SeqScanExec.java:118)
> at
> org.apache.tajo.engine.planner.physical.ProjectionExec.next(ProjectionExec.java:57)
> at
> org.apache.tajo.engine.planner.physical.StoreTableExec.next(StoreTableExec.java:80)
> at org.apache.tajo.worker.Task.run(Task.java:380)
> at org.apache.tajo.worker.TaskRunner$2.run(TaskRunner.java:357)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
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