com.facebook.presto.parquet.reader

Class ParquetColumnChunk

java.lang.Object

com.facebook.presto.parquet.reader.ParquetColumnChunk

public class ParquetColumnChunk
extends Object

Constructor Summary

Constructors

Constructor and Description
ParquetColumnChunk(ColumnChunkDescriptor descriptor, byte[] data, int offset)
ParquetColumnChunk(ColumnChunkDescriptor descriptor, List<ByteBuffer> data, org.apache.parquet.internal.column.columnindex.OffsetIndex offsetIndex)

Method Summary

Modifier and Type	Method and Description
ColumnChunkDescriptor	getDescriptor()
PageReader	readAllPages(Optional<org.apache.parquet.crypto.InternalFileDecryptor> fileDecryptor, int rowGroupOrdinal, int columnOrdinal)
protected org.apache.parquet.format.PageHeader	readPageHeader(org.apache.parquet.format.BlockCipher.Decryptor headerBlockDecryptor, byte[] pageHeaderAadditionalAuthenticationData)

Methods inherited from class java.lang.Object

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

Constructor Detail

ParquetColumnChunk

public ParquetColumnChunk(ColumnChunkDescriptor descriptor,
                          byte[] data,
                          int offset)

ParquetColumnChunk

public ParquetColumnChunk(ColumnChunkDescriptor descriptor,
                          List<ByteBuffer> data,
                          org.apache.parquet.internal.column.columnindex.OffsetIndex offsetIndex)

Method Detail

getDescriptor

public ColumnChunkDescriptor getDescriptor()

readPageHeader

protected org.apache.parquet.format.PageHeader readPageHeader(org.apache.parquet.format.BlockCipher.Decryptor headerBlockDecryptor,
                                                              byte[] pageHeaderAadditionalAuthenticationData)
                                                       throws IOException

Throws:

IOException

readAllPages

public PageReader readAllPages(Optional<org.apache.parquet.crypto.InternalFileDecryptor> fileDecryptor,
                               int rowGroupOrdinal,
                               int columnOrdinal)
                        throws IOException

Throws:

IOException