org.apache.hudi.table.upgrade

Class ThreeToFourUpgradeHandler

java.lang.Object

org.apache.hudi.table.upgrade.ThreeToFourUpgradeHandler

All Implemented Interfaces:

UpgradeHandler

public class ThreeToFourUpgradeHandler
extends Object
implements UpgradeHandler

UpgradeHandler to assist in upgrading HoodieTable from version 3 to 4.

Constructor Summary

Constructors

Constructor and Description
ThreeToFourUpgradeHandler()

Method Summary

Modifier and Type	Method and Description
Map<ConfigProperty,String>	upgrade(HoodieWriteConfig config, HoodieEngineContext context, String instantTime, SupportsUpgradeDowngrade upgradeDowngradeHelper) to be invoked to upgrade hoodie table from one version to a higher version.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThreeToFourUpgradeHandler

public ThreeToFourUpgradeHandler()

Method Detail

upgrade

public Map<ConfigProperty,String> upgrade(HoodieWriteConfig config,
                                          HoodieEngineContext context,
                                          String instantTime,
                                          SupportsUpgradeDowngrade upgradeDowngradeHelper)

Description copied from interface: UpgradeHandler

to be invoked to upgrade hoodie table from one version to a higher version.

Specified by:

upgrade in interface UpgradeHandler

Parameters:

config - instance of HoodieWriteConfig to be used.

context - instance of HoodieEngineContext to be used.

instantTime - current instant time that should not be touched.

upgradeDowngradeHelper - instance of SupportsUpgradeDowngrade to be used.

Returns:

Map of config properties and its values to be added to table properties.