[jira] [Created] (HIVE-12349) NPE in ORC SARG for IS NULL queries on Timestamp and Date columns

["Prasanth Jayachandran (JIRA)" <ji...@apache.org>]

Prasanth Jayachandran created HIVE-12349:
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             Summary: NPE in ORC SARG for IS NULL queries on Timestamp and Date columns
                 Key: HIVE-12349
                 URL: https://issues.apache.org/jira/browse/HIVE-12349
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.2.1, 1.3.0, 2.0.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran


IS NULL queries can trigger an NPE for timestamp and date columns. All column values per row group or stripe should be NULL to trigger this case. Following is the exception stack trace
{code}
Caused by: java.lang.NullPointerException 
at org.apache.hadoop.hive.ql.io.orc.ColumnStatisticsImpl$TimestampStatisticsImpl.getMinimum(ColumnStatisticsImpl.java:795) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.getMin(RecordReaderImpl.java:2343) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.evaluatePredicate(RecordReaderImpl.java:2366) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.pickRowGroups(RecordReaderImpl.java:2564) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.readStripe(RecordReaderImpl.java:2627) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.advanceStripe(RecordReaderImpl.java:3060) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.advanceToNextRow(RecordReaderImpl.java:3102) 
at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.<init>(RecordReaderImpl.java:288) 
at org.apache.hadoop.hive.ql.io.orc.ReaderImpl.rowsOptions(ReaderImpl.java:534) 
at org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger$ReaderPair.<init>(OrcRawRecordMerger.java:183) 
at org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger$OriginalReaderPair.<init>(OrcRawRecordMerger.java:226) 
at org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger.<init>(OrcRawRecordMerger.java:437) 
at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getReader(OrcInputFormat.java:1141) 
at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getRecordReader(OrcInputFormat.java:1039) 
at org.apache.hadoop.hive.ql.io.HiveInputFormat.getRecordReader(HiveInputFormat.java:246) 
... 26 more
{code}



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