Struct TableForeignKey 

pub struct TableForeignKey { /* private fields */ }

Specification of a foreign key

Implementations

impl TableForeignKey

pub fn new() -> Self

Construct a new foreign key

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

where T: Into<String>,

Set foreign key name

pub fn from_tbl<T>(&mut self, table: T) -> &mut Self

where T: IntoTableRef,

Set key table

pub fn to_tbl<R>(&mut self, ref_table: R) -> &mut Self

where R: IntoTableRef,

Set referencing table

pub fn from_col<T>(&mut self, column: T) -> &mut Self

where T: IntoIden,

Add key column

pub fn to_col<R>(&mut self, ref_column: R) -> &mut Self

where R: IntoIden,

Add referencing column

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

Set on delete action

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

Set on update action

pub fn get_name(&self) -> Option<&str>

pub fn get_table(&self) -> Option<&TableRef>

pub fn get_ref_table(&self) -> Option<&TableRef>

pub fn get_columns(&self) -> Vec<String>

pub fn get_ref_columns(&self) -> Vec<String>

pub fn get_on_delete(&self) -> Option<ForeignKeyAction>

pub fn get_on_update(&self) -> Option<ForeignKeyAction>

pub fn take(&mut self) -> Self

impl TableForeignKey

pub fn mut_table<F>(&mut self, f: F) -> &mut Self

where F: Fn(Option<&TableRef>) -> Option<TableRef>,

Trait Implementations

impl Clone for TableForeignKey

fn clone(&self) -> TableForeignKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TableForeignKey

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

Formats the value using the given formatter.

impl Default for TableForeignKey

fn default() -> TableForeignKey

Returns the “default value” for a type.