org.apache.flink.formats.parquet

类 ParquetVectorizedInputFormat.ParquetReaderBatch<T>

java.lang.Object

org.apache.flink.formats.parquet.ParquetVectorizedInputFormat.ParquetReaderBatch<T>

封闭类:

ParquetVectorizedInputFormat<T,SplitT extends org.apache.flink.connector.file.src.FileSourceSplit>

protected abstract static class ParquetVectorizedInputFormat.ParquetReaderBatch<T>
extends Object

Reader batch that provides writing and reading capabilities. Provides RecordIterator reading interface from convertAndGetIterator(long).

字段概要

字段

限定符和类型	字段和说明
protected org.apache.flink.table.data.vector.VectorizedColumnBatch	columnarBatch

构造器概要

构造器

限定符	构造器和说明
protected	ParquetReaderBatch(org.apache.flink.table.data.vector.writable.WritableColumnVector[] writableVectors, org.apache.flink.table.data.vector.VectorizedColumnBatch columnarBatch, org.apache.flink.connector.file.src.util.Pool.Recycler<ParquetVectorizedInputFormat.ParquetReaderBatch<T>> recycler)

方法概要

限定符和类型	方法和说明
abstract org.apache.flink.connector.file.src.reader.BulkFormat.RecordIterator<T>	convertAndGetIterator(long rowsReturned) Provides reading iterator after the records are written to the columnarBatch.
void	recycle()

从类继承的方法 java.lang.Object

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

字段详细资料

columnarBatch

protected final org.apache.flink.table.data.vector.VectorizedColumnBatch columnarBatch

构造器详细资料

ParquetReaderBatch

protected ParquetReaderBatch(org.apache.flink.table.data.vector.writable.WritableColumnVector[] writableVectors,
                             org.apache.flink.table.data.vector.VectorizedColumnBatch columnarBatch,
                             org.apache.flink.connector.file.src.util.Pool.Recycler<ParquetVectorizedInputFormat.ParquetReaderBatch<T>> recycler)

方法详细资料

recycle

public void recycle()

convertAndGetIterator

public abstract org.apache.flink.connector.file.src.reader.BulkFormat.RecordIterator<T> convertAndGetIterator(long rowsReturned)
                                                                                                       throws IOException

Provides reading iterator after the records are written to the columnarBatch.

参数:

rowsReturned - The number of rows that have been returned before this batch.

抛出:

IOException