Struct sqlx_model::Update
source · [−]pub struct Update<'t, DB, T, CT> where
T: ModelUpdateData<'t, DB, CT>,
CT: UpdateData<'t, DB>,
DB: Database, {
pub change: CT,
/* private fields */
}Expand description
更新操作
Fields
change: CTImplementations
sourceimpl<'t, DB, T, CT> Update<'t, DB, T, CT> where
T: ModelUpdateData<'t, DB, CT>,
CT: UpdateData<'t, DB>,
DB: Database,
impl<'t, DB, T, CT> Update<'t, DB, T, CT> where
T: ModelUpdateData<'t, DB, CT>,
CT: UpdateData<'t, DB>,
DB: Database,
pub fn new(val: CT) -> Update<'t, DB, T, CT>
pub fn model<'q: 't>(val: &'q T, source: Option<&T>) -> Update<'t, DB, T, CT>
pub fn sql_sets(&self) -> String
pub fn sql_values_sets(&self) -> String
pub fn bind_values<'q>(
&'q self,
res: Query<'q, DB, <DB as HasArguments<'_>>::Arguments>
) -> Query<'q, DB, <DB as HasArguments<'_>>::Arguments>
pub async fn execute_by_scalar_pk<'c, PT, E>(
&self,
pk_scalar: PT,
executor: E
) -> Result<<DB as Database>::QueryResult, Error> where
for<'q> PT: 'q + Send + Encode<'q, DB> + Type<DB>,
for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>,
E: Executor<'c, Database = DB>,
pub async fn execute_by_where_call<'c, RB, E>(
&self,
where_sql: &str,
where_bind: RB,
executor: E
) -> Result<<DB as Database>::QueryResult, Error> where
for<'q> RB: FnOnce(Query<'q, DB, <DB as HasArguments<'_>>::Arguments>, &'q Update<'_, DB, T, CT>) -> Query<'q, DB, <DB as HasArguments<'q>>::Arguments>,
for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>,
E: Executor<'c, Database = DB>,
pub async fn execute_by_where<'c, E>(
&self,
where_sql: Option<String>,
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>,
pub async fn execute_by_sql_call<'c, SQ, RB, E>(
self,
sql_call: SQ,
bind_call: RB,
executor: E
) -> Result<<DB as Database>::QueryResult, Error> where
SQ: FnOnce(&Update<'_, DB, T, CT>) -> String,
for<'ct> RB: FnOnce(Query<'ct, DB, <DB as HasArguments<'_>>::Arguments>, &'ct Update<'_, DB, T, CT>) -> Query<'ct, DB, <DB as HasArguments<'ct>>::Arguments>,
for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>,
E: Executor<'c, Database = DB>,
pub async fn execute_by_sql<'c, SQ, E>(
self,
sql_call: SQ,
executor: E
) -> Result<<DB as Database>::QueryResult, Error> where
SQ: FnOnce(&Update<'_, DB, T, CT>) -> String,
for<'n> <DB as HasArguments<'n>>::Arguments: Arguments<'n> + IntoArguments<'n, DB>,
E: Executor<'c, Database = DB>,
pub async fn execute_by_pk<'c, 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>,
E: Executor<'c, Database = DB>,
Auto Trait Implementations
impl<'t, DB, T, CT> RefUnwindSafe for Update<'t, DB, T, CT> where
CT: RefUnwindSafe,
DB: RefUnwindSafe,
T: RefUnwindSafe,
impl<'t, DB, T, CT> Send for Update<'t, DB, T, CT> where
CT: Send + Sync,
T: Sync,
impl<'t, DB, T, CT> Sync for Update<'t, DB, T, CT> where
CT: Sync,
DB: Sync,
T: Sync,
impl<'t, DB, T, CT> Unpin for Update<'t, DB, T, CT> where
CT: Unpin,
DB: Unpin,
impl<'t, DB, T, CT> UnwindSafe for Update<'t, DB, T, CT> where
CT: UnwindSafe + RefUnwindSafe,
DB: UnwindSafe,
T: RefUnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more