org.apache.paimon.format.parquet.reader

类 ArrayColumnReader

java.lang.Object

org.apache.paimon.format.parquet.reader.BaseVectorizedColumnReader

org.apache.paimon.format.parquet.reader.ArrayColumnReader

所有已实现的接口:

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

public class ArrayColumnReader
extends BaseVectorizedColumnReader

Array ColumnReader. TODO Currently ARRAY type only support non nested case.

嵌套类概要

从类继承的嵌套类/接口 org.apache.paimon.format.parquet.reader.BaseVectorizedColumnReader

BaseVectorizedColumnReader.NullIntIterator, BaseVectorizedColumnReader.RLEIntIterator, BaseVectorizedColumnReader.ValuesReaderIntIterator

字段概要

从类继承的字段 org.apache.paimon.format.parquet.reader.BaseVectorizedColumnReader

dataColumn, dataType, definitionLevel, definitionLevelColumn, descriptor, dictionary, endOfPageValueCount, isCurrentPageDictionaryEncoded, isUtcTimestamp, maxDefLevel, pageReader, pageValueCount, repetitionLevel, repetitionLevelColumn, type, valuesRead

构造器概要

构造器

构造器和说明
ArrayColumnReader(org.apache.parquet.column.ColumnDescriptor descriptor, org.apache.parquet.column.page.PageReader pageReader, boolean isUtcTimestamp, org.apache.parquet.schema.Type type, org.apache.paimon.types.DataType dataType)

方法概要

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

从类继承的方法 org.apache.paimon.format.parquet.reader.BaseVectorizedColumnReader

readPage, readRepetitionAndDefinitionLevels

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

ArrayColumnReader

public ArrayColumnReader(org.apache.parquet.column.ColumnDescriptor descriptor,
                         org.apache.parquet.column.page.PageReader pageReader,
                         boolean isUtcTimestamp,
                         org.apache.parquet.schema.Type type,
                         org.apache.paimon.types.DataType dataType)
                  throws IOException

抛出:

IOException

方法详细资料

readToVector

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

参数:

readNumber - number to read.

vector - vector to write.