Struct ForeignKey 

pub struct ForeignKey { /* private fields */ }

A foreign key under construction. Chain references, on_delete, on_update and name.

Implementations

impl ForeignKey

pub fn references(&mut self, table: &str, column: &str) -> &mut Self

The table and column that this column points at.

pub fn on_delete(&mut self, action: Action) -> &mut Self

What happens when the referenced row is deleted.

pub fn on_update(&mut self, action: Action) -> &mut Self

What happens when the referenced key is updated.

pub fn name(&mut self, name: &str) -> &mut Self

Names the constraint, as the second argument of Laravel’s $table->foreign('col', 'name'). Without it the name is {table}_{column}_foreign.

Trait Implementations

impl Clone for ForeignKey

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ForeignKey

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.