Package io.trino.orc.metadata

Class OrcMetadataReader

java.lang.Object

io.trino.orc.metadata.OrcMetadataReader

All Implemented Interfaces:

MetadataReader

public class OrcMetadataReader
extends Object
implements MetadataReader

Constructor Summary

Constructors

Constructor	Description
OrcMetadataReader()

Method Summary

Modifier and Type	Method	Description
static io.airlift.slice.Slice	maxStringTruncateToValidRange(io.airlift.slice.Slice value, PostScript.HiveWriterVersion version)
static io.airlift.slice.Slice	minStringTruncateToValidRange(io.airlift.slice.Slice value, PostScript.HiveWriterVersion version)
List<BloomFilter>	readBloomFilterIndexes(InputStream inputStream)
Footer	readFooter(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
Metadata	readMetadata(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
PostScript	readPostScript(InputStream inputStream)
List<RowGroupIndex>	readRowIndexes(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
StripeFooter	readStripeFooter(ColumnMetadata<OrcType> types, InputStream inputStream, ZoneId legacyFileTimeZone)

Methods inherited from class java.lang.Object

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

Constructor Detail

OrcMetadataReader

public OrcMetadataReader()

Method Detail

readPostScript

public PostScript readPostScript(InputStream inputStream)
                          throws IOException

Specified by:

readPostScript in interface MetadataReader

Throws:

IOException

readMetadata

public Metadata readMetadata(PostScript.HiveWriterVersion hiveWriterVersion,
                             InputStream inputStream)
                      throws IOException

Specified by:

readMetadata in interface MetadataReader

Throws:

IOException

readFooter

public Footer readFooter(PostScript.HiveWriterVersion hiveWriterVersion,
                         InputStream inputStream)
                  throws IOException

Specified by:

readFooter in interface MetadataReader

Throws:

IOException

readStripeFooter

public StripeFooter readStripeFooter(ColumnMetadata<OrcType> types,
                                     InputStream inputStream,
                                     ZoneId legacyFileTimeZone)
                              throws IOException

Specified by:

readStripeFooter in interface MetadataReader

Throws:

IOException

readRowIndexes

public List<RowGroupIndex> readRowIndexes(PostScript.HiveWriterVersion hiveWriterVersion,
                                          InputStream inputStream)
                                   throws IOException

Specified by:

readRowIndexes in interface MetadataReader

Throws:

IOException

readBloomFilterIndexes

public List<BloomFilter> readBloomFilterIndexes(InputStream inputStream)
                                         throws IOException

Specified by:

readBloomFilterIndexes in interface MetadataReader

Throws:

IOException

maxStringTruncateToValidRange

public static io.airlift.slice.Slice maxStringTruncateToValidRange(io.airlift.slice.Slice value,
                                                                   PostScript.HiveWriterVersion version)

minStringTruncateToValidRange

public static io.airlift.slice.Slice minStringTruncateToValidRange(io.airlift.slice.Slice value,
                                                                   PostScript.HiveWriterVersion version)