org.apache.iceberg

Interface StatisticsFile

All Known Implementing Classes:

GenericStatisticsFile

public interface StatisticsFile

Represents a statistics file in the Puffin format, that can be used to read table data more efficiently.

Statistics are informational. A reader can choose to ignore statistics information. Statistics support is not required to read the table correctly.

Method Summary

Modifier and Type	Method and Description
java.util.List<BlobMetadata>	blobMetadata() List of statistics contained in the file.
long	fileFooterSizeInBytes() Size of the Puffin footer.
long	fileSizeInBytes() Size of the file
java.lang.String	path() Returns fully qualified path to the file, suitable for constructing a Hadoop Path.
long	snapshotId() ID of the Iceberg table's snapshot the statistics were computed from.

Method Detail

snapshotId

long snapshotId()

ID of the Iceberg table's snapshot the statistics were computed from.

path

java.lang.String path()

Returns fully qualified path to the file, suitable for constructing a Hadoop Path. Never null.

fileSizeInBytes

long fileSizeInBytes()

Size of the file

fileFooterSizeInBytes

long fileFooterSizeInBytes()

Size of the Puffin footer.

blobMetadata

java.util.List<BlobMetadata> blobMetadata()

List of statistics contained in the file. Never null.