org.apache.flink.table.operations

Class ShowViewsOperation

java.lang.Object

org.apache.flink.table.operations.AbstractShowOperation

org.apache.flink.table.operations.ShowViewsOperation

All Implemented Interfaces:

ExecutableOperation, Operation, ShowOperation

@Internal
public class ShowViewsOperation
extends AbstractShowOperation

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

 SHOW VIEWS [ ( 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 and Description
ShowViewsOperation(String catalogName, String databaseName)
ShowViewsOperation(String catalogName, String databaseName, ShowLikeOperator likeOp)
ShowViewsOperation(String catalogName, String databaseName, String preposition, ShowLikeOperator likeOp)

Method Summary

Modifier and Type	Method and 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 Detail

ShowViewsOperation

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

ShowViewsOperation

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

ShowViewsOperation

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

Method Detail

getOperationName

protected String getOperationName()

Specified by:

getOperationName in class AbstractShowOperation

retrieveDataForTableResult

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

Specified by:

retrieveDataForTableResult in class AbstractShowOperation

getColumnName

protected String getColumnName()

Specified by:

getColumnName in class AbstractShowOperation

getPrepositionSummaryString

public String getPrepositionSummaryString()

Overrides:

getPrepositionSummaryString in class AbstractShowOperation