Package io.delta.kernel.internal.clustering

Class ClusteringUtils

Object

io.delta.kernel.internal.clustering.ClusteringUtils

public class ClusteringUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static Optional<List<Column>>	getClusteringColumnsOptional(SnapshotImpl snapshot)	Extract ClusteringColumns from a given snapshot.
static DomainMetadata	getClusteringDomainMetadata(List<Column> clusteringColumns)	Get the domain metadata for the clustering columns.

Methods inherited from class java.lang.Object

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

Method Details

getClusteringDomainMetadata

public static DomainMetadata getClusteringDomainMetadata(List<Column> clusteringColumns)

Get the domain metadata for the clustering columns. If column mapping is enabled, pass the list of physical names assigned; otherwise, use the logical column names.

getClusteringColumnsOptional

public static Optional<List<Column>> getClusteringColumnsOptional(SnapshotImpl snapshot)

Extract ClusteringColumns from a given snapshot. Return None if the clustering domain metadata is missing.