Package org.apache.flink.table.operations

Class ShowTablesOperation

java.lang.Object

org.apache.flink.table.operations.AbstractShowOperation

org.apache.flink.table.operations.ShowTablesOperation

All Implemented Interfaces:

ExecutableOperation, Operation, ShowOperation

@Internal
public class ShowTablesOperation
extends AbstractShowOperation

Operation to describe a SHOW TABLES statement. The full syntax for SHOW TABLES is as followings:

 SHOW TABLES [ ( FROM | IN ) [catalog_name.]database_name ] [ [NOT] LIKE
 <sql_like_pattern> ] statement
 

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.AbstractShowOperation

catalogName, likeOp, preposition

Constructor Summary

Constructors

Constructor	Description
ShowTablesOperation(String catalogName, String databaseName)
ShowTablesOperation(String catalogName, String databaseName, String preposition, ShowLikeOperator likeOp)
ShowTablesOperation(String catalogName, String databaseName, ShowLikeOperator likeOp)

Method Summary

Modifier and Type	Method	Description
protected String	getColumnName()
protected String	getOperationName()
String	getPrepositionSummaryString()
protected Set<String>	retrieveDataForTableResult(ExecutableOperation.Context ctx)

Methods inherited from class org.apache.flink.table.operations.AbstractShowOperation

asSummaryString, equals, execute, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ShowTablesOperation

public ShowTablesOperation(@Nullable
 String catalogName,
 @Nullable
 String databaseName,
 @Nullable
 String preposition,
 @Nullable
 ShowLikeOperator likeOp)

ShowTablesOperation

public ShowTablesOperation(@Nullable
 String catalogName,
 @Nullable
 String databaseName,
 @Nullable
 ShowLikeOperator likeOp)

ShowTablesOperation

public ShowTablesOperation(@Nullable
 String catalogName,
 @Nullable
 String databaseName)

Method Details

retrieveDataForTableResult

protected Set<String> retrieveDataForTableResult(ExecutableOperation.Context ctx)

Specified by:

retrieveDataForTableResult in class AbstractShowOperation

getOperationName

protected String getOperationName()

Specified by:

getOperationName in class AbstractShowOperation

getColumnName

protected String getColumnName()

Specified by:

getColumnName in class AbstractShowOperation

getPrepositionSummaryString

public String getPrepositionSummaryString()

Overrides:

getPrepositionSummaryString in class AbstractShowOperation