org.apache.hadoop.hive.ql.io.orc

Class TreeReaderFactory.VarcharTreeReader

java.lang.Object

org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.TreeReader

org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.StringTreeReader

org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.VarcharTreeReader

Enclosing class:

TreeReaderFactory

protected static class TreeReaderFactory.VarcharTreeReader
extends TreeReaderFactory.StringTreeReader

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.StringTreeReader

reader

Fields inherited from class org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.TreeReader

columnId, present, valuePresent

Method Summary

Methods

Modifier and Type	Method and Description
Object	nextVector(Object previousVector, long batchSize) Populates the isNull vector array in the previousVector object based on the present stream values.

Methods inherited from class org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.StringTreeReader

seek

Methods inherited from class org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.TreeReader

countNonNulls

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

nextVector

public Object nextVector(Object previousVector,
                long batchSize)
                  throws IOException

Description copied from class: TreeReaderFactory.TreeReader

Populates the isNull vector array in the previousVector object based on the present stream values. This function is called from all the child readers, and they all set the values based on isNull field value.

Overrides:

nextVector in class TreeReaderFactory.StringTreeReader

Parameters:

previousVector - The columnVector object whose isNull value is populated

batchSize - Size of the column vector

Returns:

next column vector

Throws:

IOException