Package io.delta.kernel.commit

Class CatalogCommitterUtils

Object

io.delta.kernel.commit.CatalogCommitterUtils

public class CatalogCommitterUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	METASTORE_LAST_COMMIT_TIMESTAMP	Property key that specifies the timestamp (in milliseconds since the Unix epoch) of the last commit that updated the catalog entry.
static final String	METASTORE_LAST_UPDATE_VERSION	Property key that specifies which version last updated the catalog entry.

Method Summary

Modifier and Type	Method	Description
static Map<String,String>	extractProtocolProperties(Protocol protocol)	Extract protocol-related properties from the given protocol.

Methods inherited from class java.lang.Object

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

Field Details

METASTORE_LAST_UPDATE_VERSION

public static final String METASTORE_LAST_UPDATE_VERSION

Property key that specifies which version last updated the catalog entry.

See Also:

• Constant Field Values

METASTORE_LAST_COMMIT_TIMESTAMP

public static final String METASTORE_LAST_COMMIT_TIMESTAMP

Property key that specifies the timestamp (in milliseconds since the Unix epoch) of the last commit that updated the catalog entry.

See Also:

• Constant Field Values

Method Details

extractProtocolProperties

public static Map<String,String> extractProtocolProperties(Protocol protocol)

Extract protocol-related properties from the given protocol.

For a Protocol(3, 7) with reader features ["columnMapping", "deletionVectors"] and writer features ["appendOnly", "columnMapping"], this would return properties like:

• delta.minReaderVersion: 3
• delta.minWriterVersion: 7
• delta.feature.columnMapping: supported
• delta.feature.deletionVectors: supported
• delta.feature.appendOnly: supported