Package org.apache.flink.table.operations

Class ShowTablesOperation

java.lang.Object

org.apache.flink.table.operations.ShowTablesOperation

All Implemented Interfaces:

ExecutableOperation, Operation, ShowOperation

@Internal
public class ShowTablesOperation
extends Object
implements ShowOperation

Operation to describe a SHOW TABLES statement.

Nested Class Summary

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

ExecutableOperation.Context

Constructor Summary

Constructors

Constructor	Description
ShowTablesOperation()
ShowTablesOperation(String likePattern, boolean useLike, boolean notLike)
ShowTablesOperation(String catalogName, String databaseName, String likePattern, boolean useLike, boolean notLike, String preposition)

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.
String	getCatalogName()
String	getDatabaseName()
String	getLikePattern()
String	getPreposition()
boolean	isNotLike()
boolean	isUseLike()

Methods inherited from class java.lang.Object

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

Constructor Detail

ShowTablesOperation

public ShowTablesOperation()

ShowTablesOperation

public ShowTablesOperation(String likePattern,
                           boolean useLike,
                           boolean notLike)

ShowTablesOperation

public ShowTablesOperation(String catalogName,
                           String databaseName,
                           String likePattern,
                           boolean useLike,
                           boolean notLike,
                           String preposition)

Method Detail

getLikePattern

public String getLikePattern()

getPreposition

public String getPreposition()

isUseLike

public boolean isUseLike()

isNotLike

public boolean isNotLike()

getCatalogName

public String getCatalogName()

getDatabaseName

public String getDatabaseName()

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)