TableChange.AddUniqueConstraint (Flink : Table : Common 2.0-preview1 API)

java.lang.Object
- org.apache.flink.table.catalog.TableChange.AddUniqueConstraint

All Implemented Interfaces:: TableChange

Enclosing interface:: TableChange

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

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;

Method Summary

All Methods Instance Methods Concrete Methods
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 Detail
  - 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