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MetadataValue

deltalake_core::kernel::schema

Enum MetadataValue

pub enum MetadataValue {
    Number(i64),
    String(String),
    Boolean(bool),
    Other(Value),
}

Variants§

Number(i64)

String(String)

Boolean(bool)

Other(Value)

Trait Implementations§

impl Clone for MetadataValue

fn clone(&self) -> MetadataValue

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 MetadataValue

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for MetadataValue

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

Deserialize this value from the given Serde deserializer. Read more

impl Display for MetadataValue

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

Formats the value using the given formatter. Read more

impl From<&String> for MetadataValue

fn from(value: &String) -> MetadataValue

Converts to this type from the input type.

impl From<&str> for MetadataValue

fn from(value: &str) -> MetadataValue

Converts to this type from the input type.

impl From<String> for MetadataValue

fn from(value: String) -> MetadataValue

Converts to this type from the input type.

impl From<bool> for MetadataValue

fn from(value: bool) -> MetadataValue

Converts to this type from the input type.

impl From<i64> for MetadataValue

fn from(value: i64) -> MetadataValue

Converts to this type from the input type.

impl PartialEq<String> for MetadataValue

fn eq(&self, other: &String) -> 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 PartialEq for MetadataValue

fn eq(&self, other: &MetadataValue) -> 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 MetadataValue

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 Eq for MetadataValue

impl StructuralPartialEq for MetadataValue

Auto Trait Implementations§

impl Freeze for MetadataValue

impl RefUnwindSafe for MetadataValue

impl Send for MetadataValue

impl Sync for MetadataValue

impl Unpin for MetadataValue

impl UnwindSafe for MetadataValue

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> AsAny for T
where T: Any + Send + Sync,

fn any_ref(&self) -> &(dyn Any + Sync + Send + 'static)

Obtains a dyn Any reference to the object: Read more

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

Obtains an Arc<dyn Any> reference to the object: Read more

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

Converts the object to Box<dyn Any>: Read more

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

Convenient wrapper for std::any::type_name, since Any does not provide it and Any::type_id is useless as a debugging aid (its Debug is just a mess of hex digits).

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<T> DynEq for T
where T: Eq + Any,

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

impl<T> DynPartialEq for T
where T: PartialEq + AsAny,

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

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<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<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<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

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

fn or<P, B, E>(self, other: P) -> Or<T, P>
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<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> ToStringFallible for T
where T: Display,

fn try_to_string(&self) -> Result<String, TryReserveError>

ToString::to_string, but without panic on OOM.

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<KernelType, ArrowType> TryIntoArrow<ArrowType> for KernelType
where ArrowType: TryFromKernel<KernelType>,

fn try_into_arrow(self) -> Result<ArrowType, ArrowError>

impl<KernelType, ArrowType> TryIntoKernel<KernelType> for ArrowType
where KernelType: TryFromArrow<ArrowType>,

fn try_into_kernel(self) -> Result<KernelType, ArrowError>

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

fn vzip(self) -> V

impl<T> ValidateIp for T
where T: ToString,

fn validate_ipv4(&self) -> bool

Validates whether the given string is an IP V4

fn validate_ipv6(&self) -> bool

Validates whether the given string is an IP V6

fn validate_ip(&self) -> bool

Validates whether the given string is an IP

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

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