org.apache.paimon.format.parquet.reader

类 MapColumnReader

java.lang.Object

org.apache.paimon.format.parquet.reader.MapColumnReader

所有已实现的接口:

ColumnReader<org.apache.paimon.data.columnar.writable.WritableColumnVector>

public class MapColumnReader
extends Object
implements ColumnReader<org.apache.paimon.data.columnar.writable.WritableColumnVector>

Map ColumnReader.

构造器概要

构造器

构造器和说明
MapColumnReader(ArrayColumnReader keyReader, ArrayColumnReader valueReader)

方法概要

限定符和类型	方法和说明
void	readBatch(int total, org.apache.paimon.data.columnar.ColumnVector column)
void	readToVector(int readNumber, org.apache.paimon.data.columnar.writable.WritableColumnVector vector)

从类继承的方法 java.lang.Object

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

构造器详细资料

MapColumnReader

public MapColumnReader(ArrayColumnReader keyReader,
                       ArrayColumnReader valueReader)

方法详细资料

readBatch

public void readBatch(int total,
                      org.apache.paimon.data.columnar.ColumnVector column)
               throws IOException

抛出:

IOException

readToVector

public void readToVector(int readNumber,
                         org.apache.paimon.data.columnar.writable.WritableColumnVector vector)
                  throws IOException

指定者:

readToVector 在接口中 ColumnReader<org.apache.paimon.data.columnar.writable.WritableColumnVector>

参数:

readNumber - number to read.

vector - vector to write.

抛出:

IOException