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

Class AlterTableSchemaOperation

java.lang.Object

org.apache.flink.table.operations.ddl.AlterTableOperation

org.apache.flink.table.operations.ddl.AlterTableSchemaOperation

All Implemented Interfaces:

AlterOperation, ExecutableOperation, Operation

@Internal
public class AlterTableSchemaOperation
extends AlterTableOperation

Operation to describe altering the schema of a table.

Nested Class Summary

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

ExecutableOperation.Context

Field Summary

Fields inherited from class org.apache.flink.table.operations.ddl.AlterTableOperation

ignoreIfTableNotExists, tableIdentifier

Constructor Summary

Constructors

Constructor	Description
AlterTableSchemaOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier, org.apache.flink.table.catalog.CatalogTable catalogTable, boolean ignoreIfNotExists)

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.CatalogTable	getCatalogTable()

Methods inherited from class org.apache.flink.table.operations.ddl.AlterTableOperation

getTableIdentifier, ignoreIfTableNotExists

Methods inherited from class java.lang.Object

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

Constructor Details

AlterTableSchemaOperation

public AlterTableSchemaOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier,
 org.apache.flink.table.catalog.CatalogTable catalogTable,
 boolean ignoreIfNotExists)

Method Details

getCatalogTable

public org.apache.flink.table.catalog.CatalogTable getCatalogTable()

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.

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.

Parameters:

ctx - the context to execute the operation.

Returns:

the content of the execution result.

See Also:

• TableEnvironmentInternal.executeInternal(Operation)