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Value

Enum Value

pub enum Value {
Show 30 variants    Null,
    Bool(bool),
    Int64(i64),
    Int32(i32),
    Int16(i16),
    Int8(i8),
    UInt64(u64),
    UInt32(u32),
    UInt16(u16),
    UInt8(u8),
    Int128(i128),
    Double(f64),
    Float(f32),
    String(String),
    Blob(Vec<u8>),
    Date(Date),
    Timestamp(Timestamp),
    TimestampTz(TimestampTZ),
    TimestampNs(Timestamp),
    TimestampMs(Timestamp),
    TimestampSec(Timestamp),
    Interval(Interval),
    InternalID(InternalID),
    UInt128(u128),
    Json(Value),
    DTime(i64),
    Union(String, Box<Value>),
    List(Vec<Value>),
    Map(Vec<(Value, Value)>),
    Struct(Vec<(String, Value)>),
}

Expand description

A Akar value — the runtime representation of any data type.

Variants§

Null

Bool(bool)

Int64(i64)

Int32(i32)

Int16(i16)

Int8(i8)

UInt64(u64)

UInt32(u32)

UInt16(u16)

UInt8(u8)

Int128(i128)

Double(f64)

Float(f32)

String(String)

Blob(Vec<u8>)

Date(Date)

Timestamp(Timestamp)

TimestampTz(TimestampTZ)

TimestampNs(Timestamp)

TimestampMs(Timestamp)

TimestampSec(Timestamp)

Interval(Interval)

InternalID(InternalID)

UInt128(u128)

Json(Value)

DTime(i64)

Union(String, Box<Value>)

List(Vec<Value>)

Map(Vec<(Value, Value)>)

Struct(Vec<(String, Value)>)

Implementations§

impl Value

pub fn logical_type(&self) -> LogicalTypeID

Get the LogicalTypeID corresponding to this Value.

pub fn physical_type(&self) -> PhysicalTypeID

Get the PhysicalTypeID for this Value’s logical type.

Trait Implementations§

impl Clone for Value

fn clone(&self) -> Value

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl Debug for Value

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for Value

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

Deserialize this value from the given Serde deserializer. Read more

impl From<&str> for Value

fn from(v: &str) -> Value

Converts to this type from the input type.

impl From<Date> for Value

fn from(v: Date) -> Value

Converts to this type from the input type.

impl From<InternalID> for Value

fn from(v: InternalID) -> Value

Converts to this type from the input type.

impl From<Interval> for Value

fn from(v: Interval) -> Value

Converts to this type from the input type.

impl From<String> for Value

fn from(v: String) -> Value

Converts to this type from the input type.

impl From<Timestamp> for Value

fn from(v: Timestamp) -> Value

Converts to this type from the input type.

impl From<Value> for Value

fn from(v: Value) -> Value

Converts to this type from the input type.

impl From<bool> for Value

fn from(v: bool) -> Value

Converts to this type from the input type.

impl From<f32> for Value

fn from(v: f32) -> Value

Converts to this type from the input type.

impl From<f64> for Value

fn from(v: f64) -> Value

Converts to this type from the input type.

impl From<i8> for Value

fn from(v: i8) -> Value

Converts to this type from the input type.

impl From<i16> for Value

fn from(v: i16) -> Value

Converts to this type from the input type.

impl From<i32> for Value

fn from(v: i32) -> Value

Converts to this type from the input type.

impl From<i64> for Value

fn from(v: i64) -> Value

Converts to this type from the input type.

impl From<u8> for Value

fn from(v: u8) -> Value

Converts to this type from the input type.

impl From<u16> for Value

fn from(v: u16) -> Value

Converts to this type from the input type.

impl From<u32> for Value

fn from(v: u32) -> Value

Converts to this type from the input type.

impl From<u64> for Value

fn from(v: u64) -> Value

Converts to this type from the input type.

impl From<u128> for Value

fn from(v: u128) -> Value

Converts to this type from the input type.

impl PartialEq for Value

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

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more

impl Serialize for Value

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 StructuralPartialEq for Value

Auto Trait Implementations§

impl Freeze for Value

impl RefUnwindSafe for Value

impl Send for Value

impl Sync for Value

impl Unpin for Value

impl UnsafeUnpin for Value

impl UnwindSafe for Value

Blanket Implementations§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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> IntoEither for T

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

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

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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

impl<T> Same for T

type Output = T

Should always be Self

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

type Error = !

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, !>

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.