org.apache.hadoop.hive.ql.io.parquet.vector

Class VectorizedStructColumnReader

java.lang.Object

org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedStructColumnReader

All Implemented Interfaces:

VectorizedColumnReader

public class VectorizedStructColumnReader
extends Object
implements VectorizedColumnReader

Constructor Summary

Constructors

Constructor and Description
VectorizedStructColumnReader(List<VectorizedColumnReader> fieldReaders)

Method Summary

Modifier and Type	Method and Description
void	readBatch(int total, org.apache.hadoop.hive.ql.exec.vector.ColumnVector column, TypeInfo columnType) read records with specified size and type into the columnVector

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorizedStructColumnReader

public VectorizedStructColumnReader(List<VectorizedColumnReader> fieldReaders)

Method Detail

readBatch

public void readBatch(int total,
                      org.apache.hadoop.hive.ql.exec.vector.ColumnVector column,
                      TypeInfo columnType)
               throws IOException

Description copied from interface: VectorizedColumnReader

read records with specified size and type into the columnVector

Specified by:

readBatch in interface VectorizedColumnReader

Parameters:

total - number of records to read into the column vector

column - column vector where the reader will read data into

columnType - the type of column vector

Throws:

IOException