Enum mysql_common::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

Formats the value using the given formatter. Read more

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

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

Converts to this type from the input type.

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

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

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<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>> From<(A, B, C, D, E, F, G, H, I, J, K)> for Params

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

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

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

Converts to this type from the input type.

impl<N, V> From<Vec<(N, V), Global>> for Paramswhere
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, Global>> for Paramswhere
Value: From<T>,

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

Converts to this type from the input type.

impl PartialEq<Params> for Params

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

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

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. Read more

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 Twhere
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more

impl<T> Conv for T

fn conv<T>(self) -> Twhere
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. Read more

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

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

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

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

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. Read more

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

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

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

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

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

fn lift_into(self) -> U

Performs the indexed conversion.

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

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
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) -> Rwhere
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) -> Rwhere
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) -> Rwhere
    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
) -> Rwhere
    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) -> Rwhere
    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) -> Rwhere
    Self: AsMut<U>,
    U: 'a + ?Sized,
    R: 'a,

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

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

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

impl<T> Same<T> 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)) -> Selfwhere
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)) -> Selfwhere
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)) -> Selfwhere
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)) -> Selfwhere
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)) -> Selfwhere
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)) -> Selfwhere
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. Read more

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

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

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

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

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

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

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

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

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

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

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

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

impl<T> ToOwned for Twhere
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 Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.

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

fn vzip(self) -> V