Package org.apache.flink.table.catalog

Class TableChange.AddUniqueConstraint

java.lang.Object

org.apache.flink.table.catalog.TableChange.AddUniqueConstraint

All Implemented Interfaces:

TableChange, TableChange.CatalogTableChange

Enclosing interface:

TableChange

@PublicEvolving
public static class TableChange.AddUniqueConstraint
extends Object
implements TableChange.CatalogTableChange

A table change to add a unique constraint.

It is equal to the following statement:

    ALTER TABLE <table_name> ADD PRIMARY KEY (<column_name>...) NOT ENFORCED;
 

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.catalog.TableChange

TableChange.AddColumn, TableChange.AddDistribution, TableChange.AddUniqueConstraint, TableChange.AddWatermark, TableChange.After, TableChange.CatalogTableChange, TableChange.ColumnPosition, TableChange.DropColumn, TableChange.DropConstraint, TableChange.DropDistribution, TableChange.DropWatermark, TableChange.First, TableChange.MaterializedTableChange, TableChange.ModifyColumn, TableChange.ModifyColumnComment, TableChange.ModifyColumnName, TableChange.ModifyColumnPosition, TableChange.ModifyDefinitionQuery, TableChange.ModifyDistribution, TableChange.ModifyPhysicalColumnType, TableChange.ModifyRefreshHandler, TableChange.ModifyRefreshStatus, TableChange.ModifyUniqueConstraint, TableChange.ModifyWatermark, TableChange.ResetOption, TableChange.SetOption

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
UniqueConstraint	getConstraint()	Returns the unique constraint to add.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

getConstraint

public UniqueConstraint getConstraint()

Returns the unique constraint to add.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object