UpdateOperation

Struct UpdateOperation 

Source
pub struct UpdateOperation<E: QueryEngine, M: Model> { /* private fields */ }
Expand description

An update operation for modifying existing records.

§Example

let users = client
    .user()
    .update()
    .r#where(user::id::equals(1))
    .set("name", "Updated Name")
    .exec()
    .await?;

Implementations§

Source§

impl<E: QueryEngine, M: Model> UpdateOperation<E, M>

Source

pub fn new(engine: E) -> Self

Create a new Update operation.

Source

pub fn where(self, filter: impl Into<Filter>) -> Self

Add a filter condition.

Source

pub fn set( self, column: impl Into<String>, value: impl Into<FilterValue>, ) -> Self

Set a column to a new value.

Source

pub fn set_many( self, values: impl IntoIterator<Item = (impl Into<String>, impl Into<FilterValue>)>, ) -> Self

Set multiple columns from an iterator.

Source

pub fn increment(self, column: impl Into<String>, amount: i64) -> Self

Increment a numeric column.

Source

pub fn select(self, select: impl Into<Select>) -> Self

Select specific fields to return.

Source

pub fn build_sql(&self) -> (String, Vec<FilterValue>)

Build the SQL query.

Source

pub async fn exec(self) -> QueryResult<Vec<M>>
where M: Send + 'static,

Execute the update and return modified records.

Source

pub async fn exec_one(self) -> QueryResult<M>
where M: Send + 'static,

Execute the update and return the first modified record.

Auto Trait Implementations§

§

impl<E, M> Freeze for UpdateOperation<E, M>
where E: Freeze,

§

impl<E, M> RefUnwindSafe for UpdateOperation<E, M>

§

impl<E, M> Send for UpdateOperation<E, M>

§

impl<E, M> Sync for UpdateOperation<E, M>

§

impl<E, M> Unpin for UpdateOperation<E, M>
where E: Unpin, M: Unpin,

§

impl<E, M> UnwindSafe for UpdateOperation<E, M>
where E: UnwindSafe, M: 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> Instrument for T

Source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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, 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<T> WithSubscriber for T

Source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more