Enum Value

pub enum Value {
Show 21 variants
    Bool(Option<bool>),
    TinyInt(Option<i8>),
    SmallInt(Option<i16>),
    Int(Option<i32>),
    BigInt(Option<i64>),
    TinyUnsigned(Option<u8>),
    SmallUnsigned(Option<u16>),
    Unsigned(Option<u32>),
    BigUnsigned(Option<u64>),
    Float(Option<f32>),
    Double(Option<f64>),
    String(Option<Box<String>>),
    Char(Option<char>),
    Bytes(Option<Box<Vec<u8>>>),
    ChronoDate(Option<Box<NaiveDate>>),
    ChronoTime(Option<Box<NaiveTime>>),
    ChronoDateTime(Option<Box<NaiveDateTime>>),
    ChronoDateTimeUtc(Option<Box<DateTime<Utc>>>),
    ChronoDateTimeLocal(Option<Box<DateTime<Local>>>),
    ChronoDateTimeWithTimeZone(Option<Box<DateTime<FixedOffset>>>),
    Array(ArrayType, Option<Box<Vec<Value>>>),
}

Expand description

Value variants

We want the inner Value to be exactly 1 pointer sized, so anything larger should be boxed.

If the hashable-value feature is enabled, NaN == NaN, which contradicts Rust’s built-in implementation of NaN != NaN.

Variants§

Bool(Option<bool>)

TinyInt(Option<i8>)

SmallInt(Option<i16>)

Int(Option<i32>)

BigInt(Option<i64>)

TinyUnsigned(Option<u8>)

SmallUnsigned(Option<u16>)

Unsigned(Option<u32>)

BigUnsigned(Option<u64>)

Float(Option<f32>)

Double(Option<f64>)

String(Option<Box<String>>)

Char(Option<char>)

Bytes(Option<Box<Vec<u8>>>)

ChronoDate(Option<Box<NaiveDate>>)

ChronoTime(Option<Box<NaiveTime>>)

ChronoDateTime(Option<Box<NaiveDateTime>>)

ChronoDateTimeUtc(Option<Box<DateTime<Utc>>>)

ChronoDateTimeLocal(Option<Box<DateTime<Local>>>)

ChronoDateTimeWithTimeZone(Option<Box<DateTime<FixedOffset>>>)

Array(ArrayType, Option<Box<Vec<Value>>>)

Implementations§

impl Value

pub fn unwrap<T>(self) -> T
where T: ValueType,

pub fn expect<T>(self, msg: &str) -> T
where T: ValueType,

impl Value

pub fn is_chrono_date(&self) -> bool

pub fn as_ref_chrono_date(&self) -> Option<&NaiveDate>

impl Value

pub fn is_chrono_time(&self) -> bool

pub fn as_ref_chrono_time(&self) -> Option<&NaiveTime>

impl Value

pub fn is_chrono_date_time(&self) -> bool

pub fn as_ref_chrono_date_time(&self) -> Option<&NaiveDateTime>

impl Value

pub fn is_chrono_date_time_utc(&self) -> bool

pub fn as_ref_chrono_date_time_utc(&self) -> Option<&DateTime<Utc>>

impl Value

pub fn is_chrono_date_time_local(&self) -> bool

pub fn as_ref_chrono_date_time_local(&self) -> Option<&DateTime<Local>>

impl Value

pub fn is_chrono_date_time_with_time_zone(&self) -> bool

pub fn as_ref_chrono_date_time_with_time_zone( &self, ) -> Option<&DateTime<FixedOffset>>

impl Value

pub fn chrono_as_naive_utc_in_string(&self) -> Option<String>

impl Value

pub fn is_array(&self) -> bool

pub fn as_ref_array(&self) -> Option<&Vec<Value>>

Trait Implementations§

impl Clone for Value

fn clone(&self) -> Value

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 Value

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

Formats the value using the given formatter. Read more

impl Display for Value

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

Formats the value using the given formatter. Read more

impl From<&[u8]> for Value

fn from(x: &[u8]) -> Value

Converts to this type from the input type.

impl From<&String> for Value

fn from(x: &String) -> Value

Converts to this type from the input type.

impl From<&str> for Value

fn from(x: &str) -> Value

Converts to this type from the input type.

impl From<Cow<'_, str>> for Value

fn from(x: Cow<'_, str>) -> Value

Converts to this type from the input type.

impl From<NaiveDate> for Value

fn from(x: NaiveDate) -> Value

Converts to this type from the input type.

impl From<DateTime<FixedOffset>> for Value

fn from(x: DateTime<FixedOffset>) -> Value

Converts to this type from the input type.

impl From<DateTime<Local>> for Value

fn from(v: DateTime<Local>) -> Value

Converts to this type from the input type.

impl From<DateTime<Utc>> for Value

fn from(v: DateTime<Utc>) -> Value

Converts to this type from the input type.

impl From<NaiveDateTime> for Value

fn from(x: NaiveDateTime) -> Value

Converts to this type from the input type.

impl<T> From<Option<T>> for Value
where T: Into<Value> + Nullable,

fn from(x: Option<T>) -> Value

Converts to this type from the input type.

impl From<String> for Value

fn from(x: String) -> Value

Converts to this type from the input type.

impl From<NaiveTime> for Value

fn from(x: NaiveTime) -> Value

Converts to this type from the input type.

impl<T> From<Vec<T>> for Value
where T: Into<Value> + NotU8 + ValueType,

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

Converts to this type from the input type.

impl From<Vec<u8>> for Value

fn from(x: Vec<u8>) -> Value

Converts to this type from the input type.

impl From<bool> for Value

fn from(x: bool) -> Value

Converts to this type from the input type.

impl From<char> for Value

fn from(x: char) -> Value

Converts to this type from the input type.

impl From<f32> for Value

fn from(x: f32) -> Value

Converts to this type from the input type.

impl From<f64> for Value

fn from(x: f64) -> Value

Converts to this type from the input type.

impl From<i16> for Value

fn from(x: i16) -> Value

Converts to this type from the input type.

impl From<i32> for Value

fn from(x: i32) -> Value

Converts to this type from the input type.

impl From<i64> for Value

fn from(x: i64) -> Value

Converts to this type from the input type.

impl From<i8> for Value

fn from(x: i8) -> Value

Converts to this type from the input type.

impl From<u16> for Value

fn from(x: u16) -> Value

Converts to this type from the input type.

impl From<u32> for Value

fn from(x: u32) -> Value

Converts to this type from the input type.

impl From<u64> for Value

fn from(x: u64) -> Value

Converts to this type from the input type.

impl From<u8> for Value

fn from(x: u8) -> Value

Converts to this type from the input type.

impl Hash for Value

fn hash<H>(&self, state: &mut H)
where H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq for Value

fn eq(&self, other: &Value) -> 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 Eq 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 UnwindSafe for Value

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> 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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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> 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<V> IntoValueTuple for V
where V: Into<Value>,

fn into_value_tuple(self) -> ValueTuple

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> ToString for T
where T: Display + ?Sized,

fn to_string(&self) -> String

Converts the given value to a String. 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

impl<T> ErasedDestructor for T
where T: 'static,