Struct Delete

Source
pub struct Delete<DB>
where DB: Database,
{ pub table_name: TableName, /* private fields */ }
Expand description

删除操作

Fields§

§table_name: TableName

Implementations§

Source§

impl<DB> Delete<DB>
where DB: Database,

Source

pub fn type_new<T1>() -> Delete<DB>

Source

pub fn new(table_name: TableName) -> Delete<DB>

Source

pub async fn execute_by_where<'c, E>( &self, where_sql: &WhereOption, executor: E, ) -> Result<<DB as Database>::QueryResult, Error>
where for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>, E: Executor<'c, Database = DB>,

Source

pub async fn execute_by_pk<'c, T, E>( &self, source: &T, executor: E, ) -> Result<<DB as Database>::QueryResult, Error>
where for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>, T: ModelTableField<DB>, E: Executor<'c, Database = DB>,

Source

pub async fn execute_by_scalar_pk<'c, T, PT, E>( &self, pk_scalar: PT, executor: E, ) -> Result<<DB as Database>::QueryResult, Error>
where for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>, T: ModelTableField<DB>, for<'q> PT: 'q + Send + Encode<'q, DB> + Type<DB>, E: Executor<'c, Database = DB>,

Auto Trait Implementations§

§

impl<DB> Freeze for Delete<DB>

§

impl<DB> RefUnwindSafe for Delete<DB>
where DB: RefUnwindSafe,

§

impl<DB> Send for Delete<DB>

§

impl<DB> Sync for Delete<DB>
where DB: Sync,

§

impl<DB> Unpin for Delete<DB>
where DB: Unpin,

§

impl<DB> UnwindSafe for Delete<DB>
where DB: UnwindSafe,

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
Source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

Source§

fn vzip(self) -> V

Source§

impl<T> ErasedDestructor for T
where T: 'static,

Source§

impl<T> MaybeSendSync for T