org.apache.flink.table.operations.ShowCatalogsOperation

All Implemented Interfaces:: ExecutableOperation, Operation, ShowOperation

@Internal public class ShowCatalogsOperation extends AbstractShowOperation

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


 SHOW CATALOGS [ [NOT] (LIKE | ILIKE) <sql_like_pattern> ]

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

ShowCatalogsOperation(ShowLikeOperator likeOp)
Method Summary

Modifier and Type

Method

Description

protected String

getColumnName()

protected String

getOperationName()

protected Collection<String>

retrieveDataForTableResult(ExecutableOperation.Context ctx)

Methods inherited from class org.apache.flink.table.operations.AbstractShowOperation
asSummaryString, equals, execute, getPrepositionSummaryString, hashCode, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details
- ShowCatalogsOperation
  
  public ShowCatalogsOperation(@Nullable ShowLikeOperator likeOp)
Method Details
- getOperationName
  
  protected String getOperationName()
  
  Specified by:
  
  getOperationName in class AbstractShowOperation
- getColumnName
  
  protected String getColumnName()
  
  Specified by:
  
  getColumnName in class AbstractShowOperation
- retrieveDataForTableResult
  
  protected Collection<String> retrieveDataForTableResult(ExecutableOperation.Context ctx)
  
  Specified by:
  
  retrieveDataForTableResult in class AbstractShowOperation

Class ShowCatalogsOperation

Nested Class Summary