Package org.apache.flink.table.operations.ddl

Class AlterModelChangeOperation

java.lang.Object

org.apache.flink.table.operations.ddl.AlterModelChangeOperation

All Implemented Interfaces:

AlterOperation, ExecutableOperation, Operation

@Internal
public class AlterModelChangeOperation
extends Object
implements AlterOperation

Operation to describe a ALTER MODEL .. SET .. statement.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.operations.ExecutableOperation

ExecutableOperation.Context

Constructor Summary

Constructors

Constructor	Description
AlterModelChangeOperation(org.apache.flink.table.catalog.ObjectIdentifier modelIdentifier, List<org.apache.flink.table.catalog.ModelChange> modelChanges, org.apache.flink.table.catalog.CatalogModel catalogModel, boolean ignoreIfNotExists)	Creates an ALTER MODEL CHANGE statement.

Method Summary

Modifier and Type	Method	Description
String	asSummaryString()	Returns a string that summarizes this operation for printing to a console.
TableResultInternal	execute(ExecutableOperation.Context ctx)	Executes the given operation and return the execution result.
org.apache.flink.table.catalog.CatalogModel	getCatalogModel()
List<org.apache.flink.table.catalog.ModelChange>	getModelChanges()
org.apache.flink.table.catalog.ObjectIdentifier	getModelIdentifier()
boolean	ignoreIfNotExists()

Methods inherited from class java.lang.Object

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

Constructor Detail

AlterModelChangeOperation

public AlterModelChangeOperation(org.apache.flink.table.catalog.ObjectIdentifier modelIdentifier,
                                 List<org.apache.flink.table.catalog.ModelChange> modelChanges,
                                 @Nullable
                                 org.apache.flink.table.catalog.CatalogModel catalogModel,
                                 boolean ignoreIfNotExists)

Creates an ALTER MODEL CHANGE statement.

Parameters:

modelIdentifier - The identifier of the model to be altered.

modelChanges - The list of changes to be applied to the model.

catalogModel - The resolved model after applying the changes. If null, existing model doesn't exist and ignoreIfNotExists is true.

ignoreIfNotExists - Flag to specify behavior when the model doesn't exist.

Method Detail

getModelIdentifier

public org.apache.flink.table.catalog.ObjectIdentifier getModelIdentifier()

getModelChanges

public List<org.apache.flink.table.catalog.ModelChange> getModelChanges()

getCatalogModel

@Nullable
public org.apache.flink.table.catalog.CatalogModel getCatalogModel()

ignoreIfNotExists

public boolean ignoreIfNotExists()

asSummaryString

public String asSummaryString()

Description copied from interface: Operation

Returns a string that summarizes this operation for printing to a console. An implementation might skip very specific properties.

Specified by:

asSummaryString in interface Operation

Returns:

summary string of this operation for debugging purposes

execute

public TableResultInternal execute(ExecutableOperation.Context ctx)

Description copied from interface: ExecutableOperation

Executes the given operation and return the execution result.

Specified by:

execute in interface ExecutableOperation

Parameters:

ctx - the context to execute the operation.

Returns:

the content of the execution result.

See Also:

TableEnvironmentInternal.executeInternal(Operation)