org.apache.flink.table.operations

Class DescribeCatalogOperation

java.lang.Object

org.apache.flink.table.operations.DescribeCatalogOperation

All Implemented Interfaces:

ExecutableOperation, Operation

@Internal
public class DescribeCatalogOperation
extends Object
implements Operation, ExecutableOperation

Operation to describe a DESCRIBE CATALOG catalog_name statement.

Nested Class Summary

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

ExecutableOperation.Context

Constructor Summary

Constructors

Constructor and Description
DescribeCatalogOperation(String catalogName, boolean isExtended)

Method Summary

Modifier and Type	Method and 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.
String	getCatalogName()
boolean	isExtended()

Methods inherited from class java.lang.Object

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

Constructor Detail

DescribeCatalogOperation

public DescribeCatalogOperation(String catalogName,
                                boolean isExtended)

Method Detail

getCatalogName

public String getCatalogName()

isExtended

public boolean isExtended()

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)