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QueryValue

Enum QueryValue

pub enum QueryValue {
    Null,
    Bool(bool),
    Int(i64),
    Float(f64),
    String(String),
    Bytes(Vec<u8>),
    Timestamp(DateTime<Utc>),
    Uuid(Uuid),
    Now,
}

Available on crate feature database and non-WebAssembly only.

Expand description

Query value types

Variants§

Null

Null variant.

Bool(bool)

Bool variant.

Int(i64)

Int variant.

Float(f64)

Float variant.

String(String)

String variant.

Bytes(Vec<u8>)

Bytes variant.

Timestamp(DateTime<Utc>)

Timestamp variant.

Uuid(Uuid)

UUID value for PostgreSQL uuid columns

Now

Represents SQL NOW() function

Trait Implementations§

impl Clone for QueryValue

fn clone(&self) -> QueryValue

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

impl Debug for QueryValue

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for QueryValue

fn deserialize<D>( deserializer: D, ) -> Result<QueryValue, <D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl From<&str> for QueryValue

fn from(s: &str) -> QueryValue

Converts to this type from the input type.

impl From<DateTime<Utc>> for QueryValue

fn from(dt: DateTime<Utc>) -> QueryValue

Converts to this type from the input type.

impl From<String> for QueryValue

fn from(s: String) -> QueryValue

Converts to this type from the input type.

impl From<Uuid> for QueryValue

fn from(u: Uuid) -> QueryValue

Converts to this type from the input type.

impl From<bool> for QueryValue

fn from(b: bool) -> QueryValue

Converts to this type from the input type.

impl From<f64> for QueryValue

fn from(f: f64) -> QueryValue

Converts to this type from the input type.

impl From<i32> for QueryValue

fn from(i: i32) -> QueryValue

Converts to this type from the input type.

impl From<i64> for QueryValue

fn from(i: i64) -> QueryValue

Converts to this type from the input type.

impl PartialEq for QueryValue

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

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

impl Serialize for QueryValue

fn serialize<S>( &self, serializer: S, ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

impl TryFrom<QueryValue> for String

type Error = DatabaseError

The type returned in the event of a conversion error.

fn try_from( value: QueryValue, ) -> Result<String, <String as TryFrom<QueryValue>>::Error>

Performs the conversion.

impl TryFrom<QueryValue> for bool

type Error = DatabaseError

The type returned in the event of a conversion error.

fn try_from( value: QueryValue, ) -> Result<bool, <bool as TryFrom<QueryValue>>::Error>

Performs the conversion.

impl StructuralPartialEq for QueryValue

Auto Trait Implementations§

impl Freeze for QueryValue

impl RefUnwindSafe for QueryValue

impl Send for QueryValue

impl Sync for QueryValue

impl Unpin for QueryValue

impl UnsafeUnpin for QueryValue

impl UnwindSafe for QueryValue

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> Any for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

fn type_name(&self) -> &'static str

impl<T> AnyEq for T
where T: Any + PartialEq,

fn equals(&self, other: &(dyn Any + 'static)) -> bool

fn as_any(&self) -> &(dyn Any + 'static)

impl<T> AnySync for T
where T: Any + Send + Sync,

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

impl<'a, T, E> AsTaggedExplicit<'a, E> for T
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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

impl<'a, T, E> AsTaggedImplicit<'a, E> for T
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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

impl<T> Borrow<T> for T
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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

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

impl<T> Conv for T

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

Converts self into T using Into<T>. 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> FromRef<T> for T
where T: Clone,

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

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

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fn into(self) -> U

Calls U::from(self).

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

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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

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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

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

impl<T> IntoResult<T> for T

type Err = Infallible

fn into_result(self) -> Result<T, <T as IntoResult<T>>::Err>

impl<Unshared, Shared> IntoShared<Shared> for Unshared
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Creates a shared type from an unshared type.

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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

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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

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

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

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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

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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

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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

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where T: ?Sized,

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Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<E> ServerFnErrorAssertions<E> for E
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fn should_contain_message(&self, expected: &str)
where E: Display,

Assert that the error message contains the specified text.

fn should_have_message(&self, expected: &str)
where E: Display,

Assert that the error message matches exactly.

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

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where Self: AsMut<R>, R: ?Sized,

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where Self: DerefMut<Target = T> + Deref, T: ?Sized,

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type Owned = T

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fn to_owned(&self) -> T

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

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

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Performs the conversion.

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fn vzip(self) -> V

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