[DRILL-538] Count(Key) throws NPE for hive source

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Storage - Hive
• Assignee: Venki Korukanti
• Reporter: Ramana Inukonda Nagaraj
• Created: 17/Apr/14 18:29
• Updated: 31/Jul/14 06:31
• Resolved: 09/Jun/14 16:44

Description

hive> desc columntable_bigdata;
OK
key string None
value string None
Time taken: 0.04 seconds, Fetched: 2 row(s)

Now in drill:
select count(`key) from columntable_bigdata;
results in a nullpointer exception. Table contains nulls in value

java.lang.NullPointerException
org.apache.drill.exec.store.hive.HiveRecordReader.setValue(HiveRecordReader.java:400) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.store.hive.HiveRecordReader.next(HiveRecordReader.java:446) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:94) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.record.AbstractSingleRecordBatch.next(AbstractSingleRecordBatch.java:42) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.physical.impl.aggregate.StreamingAggBatch.next(StreamingAggBatch.java:83) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.next(ScreenCreator.java:85) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:83) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]