org.apache.flink.table.operations.ddl

Class AlterTableAddConstraintOperation

java.lang.Object

org.apache.flink.table.operations.ddl.AlterTableOperation

org.apache.flink.table.operations.ddl.AlterTableAddConstraintOperation

All Implemented Interfaces:

AlterOperation, Operation

public class AlterTableAddConstraintOperation
extends AlterTableOperation

Operation of "ALTER TABLE ADD [CONSTRAINT constraintName] ..." clause.

Note: only primary key is supported now.

Field Summary

Fields inherited from class org.apache.flink.table.operations.ddl.AlterTableOperation

tableIdentifier

Constructor Summary

Constructors

Constructor and Description
AlterTableAddConstraintOperation(ObjectIdentifier tableIdentifier, String constraintName, String[] columnNames)

Method Summary

Modifier and Type	Method and Description
String	asSummaryString() Returns a string that summarizes this operation for printing to a console.
String[]	getColumnNames()
Optional<String>	getConstraintName()

Methods inherited from class org.apache.flink.table.operations.ddl.AlterTableOperation

getTableIdentifier

Methods inherited from class java.lang.Object

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

Constructor Detail

AlterTableAddConstraintOperation

public AlterTableAddConstraintOperation(ObjectIdentifier tableIdentifier,
                                        @Nullable
                                        String constraintName,
                                        String[] columnNames)

Method Detail

getConstraintName

public Optional<String> getConstraintName()

getColumnNames

public String[] getColumnNames()

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.

Returns:

summary string of this operation for debugging purposes