Struct ForeignKeyOptions 

pub struct ForeignKeyOptions {
    pub on_delete: Option<String>,
    pub on_update: Option<String>,
}

外键选项构建器（Phinx 风格链式配置）

Fields

on_delete: Option<String>

on_update: Option<String>

Implementations

impl ForeignKeyOptions

pub fn on_delete_cascade(self) -> Self

ON DELETE CASCADE

pub fn on_delete_set_null(self) -> Self

ON DELETE SET NULL

pub fn on_delete_restrict(self) -> Self

ON DELETE RESTRICT

pub fn on_delete_no_action(self) -> Self

ON DELETE NO ACTION

pub fn on_update_cascade(self) -> Self

ON UPDATE CASCADE

pub fn on_delete(self, action: impl Into<String>) -> Self

自定义 ON DELETE 规则

pub fn on_update(self, action: impl Into<String>) -> Self

自定义 ON UPDATE 规则

Trait Implementations

impl Clone for ForeignKeyOptions

fn clone(&self) -> ForeignKeyOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ForeignKeyOptions

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

Formats the value using the given formatter.

impl Default for ForeignKeyOptions

fn default() -> ForeignKeyOptions

Returns the “default value” for a type.