Skip to main content

Expr

Struct Expr 

Source
pub struct Expr<T> {
    pub node: ExprNode,
    /* private fields */
}

Fields§

§node: ExprNode

Implementations§

Source§

impl<T> Expr<T>

Source

pub fn new(node: ExprNode) -> Self

Source§

impl<T> Expr<T>
where T: 'static,

Source

pub fn eq<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn eq_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn ne<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn ne_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn is_distinct_from_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn is_not_distinct_from_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn lt<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn lt_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn le<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn le_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn gt<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn gt_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn ge<V>(self, value: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn ge_col<M2>(self, other: Column<M2, T>) -> Expr<bool>

Source

pub fn between<L, U>(self, low: L, high: U) -> Expr<bool>
where L: ColumnValue<T>, U: ColumnValue<T>,

Source

pub fn like<V>(self, pattern: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn ilike<V>(self, pattern: V) -> Expr<bool>
where V: ColumnValue<T>,

Source

pub fn is_null(self) -> Expr<bool>

Source

pub fn is_not_null(self) -> Expr<bool>

Source

pub fn in_<I, V>(self, values: I) -> Expr<bool>
where I: IntoIterator<Item = V>, V: ColumnValue<T>,

Source§

impl Expr<bool>

Source

pub fn and(self, other: Expr<bool>) -> Expr<bool>

Source

pub fn or(self, other: Expr<bool>) -> Expr<bool>

Source

pub fn not(self) -> Expr<bool>

Trait Implementations§

Source§

impl<Lhs, RhsExpr> Add<RhsExpr> for Expr<Lhs>
where RhsExpr: ExprOperand, Lhs: SqlAdd<RhsExpr::Value>,

Source§

type Output = Expr<<Lhs as SqlAdd<<RhsExpr as ExprOperand>::Value>>::Output>

The resulting type after applying the + operator.
Source§

fn add(self, rhs: RhsExpr) -> Self::Output

Performs the + operation. Read more
Source§

impl<T: Clone> Clone for Expr<T>

Source§

fn clone(&self) -> Expr<T>

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl<T: Debug> Debug for Expr<T>

Source§

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

Formats the value using the given formatter. Read more
Source§

impl<T> ExprOperand for Expr<T>

Source§

impl<T> IntoExpr<T> for Expr<T>

Source§

fn into_expr(self) -> Expr<T>

Source§

impl<T> IntoOrderExpr for Expr<T>

Source§

impl<Lhs, RhsExpr> Sub<RhsExpr> for Expr<Lhs>
where RhsExpr: ExprOperand, Lhs: SqlSub<RhsExpr::Value>,

Source§

type Output = Expr<<Lhs as SqlSub<<RhsExpr as ExprOperand>::Value>>::Output>

The resulting type after applying the - operator.
Source§

fn sub(self, rhs: RhsExpr) -> Self::Output

Performs the - operation. Read more

Auto Trait Implementations§

§

impl<T> Freeze for Expr<T>

§

impl<T> RefUnwindSafe for Expr<T>
where T: RefUnwindSafe,

§

impl<T> Send for Expr<T>
where T: Send,

§

impl<T> Sync for Expr<T>
where T: Sync,

§

impl<T> Unpin for Expr<T>
where T: Unpin,

§

impl<T> UnsafeUnpin for Expr<T>

§

impl<T> UnwindSafe for Expr<T>
where T: 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> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> 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> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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> 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