Owen O'Malley created ORC-285:
---------------------------------

             Summary: Empty vector batches of floats or doubles get  
java.io.EOFException: Read past EOF for compressed stream Stream for column
                 Key: ORC-285
                 URL: https://issues.apache.org/jira/browse/ORC-285
             Project: ORC
          Issue Type: Bug
            Reporter: Owen O'Malley
            Assignee: Owen O'Malley


The FloatTreeReader and DoubleTreeReader both fail if given a set of empty 
values. This often happens when the float or double data is inside a list where 
all of the values are empty.

The stack trace looks like:

{code}
java.io.IOException: Error reading file: 
/Users/piyush.mukati/tmp/11-task_1511779500016_298243_r_000031-r-00031.orc
        at 
org.apache.orc.impl.RecordReaderImpl.nextBatch(RecordReaderImpl.java:1191)
        at org.apache.orc.tools.ScanData.main(ScanData.java:67)
        at org.apache.orc.tools.Driver.main(Driver.java:109)
Caused by: java.io.EOFException: Read past EOF for compressed stream Stream for 
column 36 kind DATA position: 0 length: 0 range: 0 offset: 0 limit: 0
        at 
org.apache.orc.impl.SerializationUtils.readFully(SerializationUtils.java:119)
        at 
org.apache.orc.impl.SerializationUtils.readLongLE(SerializationUtils.java:102)
        at 
org.apache.orc.impl.SerializationUtils.readDouble(SerializationUtils.java:98)
        at 
org.apache.orc.impl.TreeReaderFactory$DoubleTreeReader.nextVector(TreeReaderFactory.java:763)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1835)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1835)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1835)
        at 
org.apache.orc.impl.TreeReaderFactory$ListTreeReader.nextVector(TreeReaderFactory.java:2003)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1835)
        at 
org.apache.orc.impl.TreeReaderFactory$ListTreeReader.nextVector(TreeReaderFactory.java:2003)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1835)
        at 
org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextBatch(TreeReaderFactory.java:1817)
        at 
org.apache.orc.impl.RecordReaderImpl.nextBatch(RecordReaderImpl.java:1184)
        ... 2 more
{code}



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