Enum mysql_async::prelude::params::Params

pub enum Params {
    Empty,
    Named(HashMap<Vec<u8>, Value>),
    Positional(Vec<Value>),
}

Expand description

Representations of parameters of a prepared statement.

Variants§

Empty

Named(HashMap<Vec<u8>, Value>)

Positional(Vec<Value>)

Implementations§

impl Params

pub fn into_positional( self, named_params: &[Vec<u8>] ) -> Result<Params, MissingNamedParameterError>

Will convert named parameters into positional assuming order passed in named_params attribute.

Trait Implementations§

impl Clone for Params

fn clone(&self) -> Params

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl Debug for Params

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

Formats the value using the given formatter. Read more

impl<'a> From<&'a [&'a dyn ToValue]> for Params

fn from(x: &'a [&'a dyn ToValue]) -> Params

Converts to this type from the input type.

impl<'a, T> From<&'a T> for Params
where T: Into<Params> + Clone,

fn from(x: &'a T) -> Params

Converts to this type from the input type.

impl From<()> for Params

fn from(_: ()) -> Params

Converts to this type from the input type.

impl<A> From<(A,)> for Params
where A: Into<Value>,

fn from(x: (A,)) -> Params

Converts to this type from the input type.

impl<A, B> From<(A, B)> for Params
where A: Into<Value>, B: Into<Value>,

fn from(x: (A, B)) -> Params

Converts to this type from the input type.

impl<A, B, C> From<(A, B, C)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>,

fn from(x: (A, B, C)) -> Params

Converts to this type from the input type.

impl<A, B, C, D> From<(A, B, C, D)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>,

fn from(x: (A, B, C, D)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E> From<(A, B, C, D, E)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>,

fn from(x: (A, B, C, D, E)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F> From<(A, B, C, D, E, F)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>,

fn from(x: (A, B, C, D, E, F)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G> From<(A, B, C, D, E, F, G)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>,

fn from(x: (A, B, C, D, E, F, G)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G, H> From<(A, B, C, D, E, F, G, H)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>, H: Into<Value>,

fn from(x: (A, B, C, D, E, F, G, H)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G, H, I> From<(A, B, C, D, E, F, G, H, I)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>, H: Into<Value>, I: Into<Value>,

fn from(x: (A, B, C, D, E, F, G, H, I)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G, H, I, J> From<(A, B, C, D, E, F, G, H, I, J)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>, H: Into<Value>, I: Into<Value>, J: Into<Value>,

fn from(x: (A, B, C, D, E, F, G, H, I, J)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G, H, I, J, K> From<(A, B, C, D, E, F, G, H, I, J, K)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>, H: Into<Value>, I: Into<Value>, J: Into<Value>, K: Into<Value>,

fn from(x: (A, B, C, D, E, F, G, H, I, J, K)) -> Params

Converts to this type from the input type.

impl<A, B, C, D, E, F, G, H, I, J, K, L> From<(A, B, C, D, E, F, G, H, I, J, K, L)> for Params
where A: Into<Value>, B: Into<Value>, C: Into<Value>, D: Into<Value>, E: Into<Value>, F: Into<Value>, G: Into<Value>, H: Into<Value>, I: Into<Value>, J: Into<Value>, K: Into<Value>, L: Into<Value>,

fn from(x: (A, B, C, D, E, F, G, H, I, J, K, L)) -> Params

Converts to this type from the input type.

impl<N, V> From<Vec<(N, V)>> for Params
where Vec<u8>: From<N>, Value: From<V>,

fn from(x: Vec<(N, V)>) -> Params

Converts to this type from the input type.

impl<T> From<Vec<T>> for Params
where Value: From<T>,

fn from(x: Vec<T>) -> Params

Converts to this type from the input type.

impl PartialEq for Params

fn eq(&self, other: &Params) -> bool

This method tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Params

Auto Trait Implementations§

impl RefUnwindSafe for Params

impl Send for Params

impl Sync for Params

impl Unpin for Params

impl UnwindSafe for Params

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<Choices> CoproductSubsetter<CNil, HNil> for Choices

type Remainder = Choices

fn subset( self ) -> Result<CNil, <Choices as CoproductSubsetter<CNil, HNil>>::Remainder>

Extract a subset of the possible types in a coproduct (or get the remaining possibilities) Read more

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.

fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.

fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.

fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T, U, I> LiftInto<U, I> for T
where U: LiftFrom<T, I>,

fn lift_into(self) -> U

Performs the indexed conversion.

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

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<Source> Sculptor<HNil, HNil> for Source

type Remainder = Source

fn sculpt(self) -> (HNil, <Source as Sculptor<HNil, HNil>>::Remainder)

Consumes the current HList and returns an HList with the requested shape. Read more

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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