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From "Abhi Pol (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4108) Query on csv file w/ header fails with an exception when non existing column is requested
Date Wed, 18 Nov 2015 02:03:10 GMT
Abhi Pol created DRILL-4108:
-------------------------------

             Summary: Query on csv file w/ header fails with an exception when non existing
column is requested
                 Key: DRILL-4108
                 URL: https://issues.apache.org/jira/browse/DRILL-4108
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Text & CSV
    Affects Versions: 1.3.0
            Reporter: Abhi Pol
             Fix For: 1.4.0


Drill query on a csv file with header requesting column(s) that do not exists in header fails
with an exception.

*Current behavior:* once extractHeader is enabled, query columns must be columns from the
header

*Expected behavior:* non existing columns should appear with 'null' values like default drill
behavior

{noformat}
0: jdbc:drill:zk=local> select Category from dfs.`/tmp/cars.csvh` limit 10;
java.lang.ArrayIndexOutOfBoundsException: -1
	at org.apache.drill.exec.store.easy.text.compliant.FieldVarCharOutput.<init>(FieldVarCharOutput.java:104)
	at org.apache.drill.exec.store.easy.text.compliant.CompliantTextRecordReader.setup(CompliantTextRecordReader.java:118)
	at org.apache.drill.exec.physical.impl.ScanBatch.<init>(ScanBatch.java:108)
	at org.apache.drill.exec.store.dfs.easy.EasyFormatPlugin.getReaderBatch(EasyFormatPlugin.java:198)
	at org.apache.drill.exec.store.dfs.easy.EasyReaderBatchCreator.getBatch(EasyReaderBatchCreator.java:35)
	at org.apache.drill.exec.store.dfs.easy.EasyReaderBatchCreator.getBatch(EasyReaderBatchCreator.java:28)
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:151)
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:174)
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:131)
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:174)
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:131)
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:174)
	at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:131)
	at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:174)
	at org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:105)
	at org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:79)
	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:230)
	at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Error: SYSTEM ERROR: ArrayIndexOutOfBoundsException: -1

Fragment 0:0

[Error Id: f272960e-fa2f-408e-918c-722190398cd3 on blackhole:31010] (state=,code=0)
{noformat}



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