org.apache.flink.table.operations

Class ShowColumnsOperation

java.lang.Object

org.apache.flink.table.operations.ShowColumnsOperation

All Implemented Interfaces:

Operation, ShowOperation

public class ShowColumnsOperation
extends Object
implements ShowOperation

Show columns from [[catalog.]database.]table.

Constructor Summary

Constructors

Constructor and Description
ShowColumnsOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier, String likePattern, boolean useLike, boolean notLike, String preposition)

Method Summary

Modifier and Type	Method and Description
String	asSummaryString() Returns a string that summarizes this operation for printing to a console.
String	getLikePattern()
String	getPreposition()
org.apache.flink.table.catalog.ObjectIdentifier	getTableIdentifier()
boolean	isNotLike()
boolean	isUseLike()

Methods inherited from class java.lang.Object

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

Constructor Detail

ShowColumnsOperation

public ShowColumnsOperation(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier,
                            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()

getTableIdentifier

public org.apache.flink.table.catalog.ObjectIdentifier getTableIdentifier()

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