org.apache.hadoop.hive.ql.io.orc

Class MetadataReader

java.lang.Object

org.apache.hadoop.hive.ql.io.orc.MetadataReader

public class MetadataReader
extends Object

Constructor Summary

Constructors

Constructor and Description
MetadataReader(org.apache.hadoop.fs.FileSystem fileSystem, org.apache.hadoop.fs.Path path, CompressionCodec codec, int bufferSize, int typeCount)
MetadataReader(org.apache.hadoop.fs.FSDataInputStream file, CompressionCodec codec, int bufferSize, int typeCount)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
RecordReaderImpl.Index	readRowIndex(StripeInformation stripe, OrcProto.StripeFooter footer, boolean[] included, OrcProto.RowIndex[] indexes, boolean[] sargColumns, OrcProto.BloomFilterIndex[] bloomFilterIndices)
OrcProto.StripeFooter	readStripeFooter(StripeInformation stripe)

Methods inherited from class java.lang.Object

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

Constructor Detail

MetadataReader

public MetadataReader(org.apache.hadoop.fs.FileSystem fileSystem,
              org.apache.hadoop.fs.Path path,
              CompressionCodec codec,
              int bufferSize,
              int typeCount)
               throws IOException

Throws:

IOException

MetadataReader

public MetadataReader(org.apache.hadoop.fs.FSDataInputStream file,
              CompressionCodec codec,
              int bufferSize,
              int typeCount)

Method Detail

readRowIndex

public RecordReaderImpl.Index readRowIndex(StripeInformation stripe,
                                  OrcProto.StripeFooter footer,
                                  boolean[] included,
                                  OrcProto.RowIndex[] indexes,
                                  boolean[] sargColumns,
                                  OrcProto.BloomFilterIndex[] bloomFilterIndices)
                                    throws IOException

Throws:

IOException

readStripeFooter

public OrcProto.StripeFooter readStripeFooter(StripeInformation stripe)
                                       throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException