Struct mz_transform::column_knowledge::DatumKnowledge

source · [−]

pub struct DatumKnowledge {
    value: Option<(Result<Row, EvalError>, ColumnType)>,
    nullable: bool,
}

Expand description

Information about a specific column.

Fields

value: Option<(Result<Row, EvalError>, ColumnType)>

If set, a specific value for the column.

nullable: bool

If false, the value is not Datum::Null.

Implementations

source

impl DatumKnowledge

source

fn absorb(&mut self, other: &Self)

source

fn union(&mut self, other: &Self)

Trait Implementations

source

impl Clone for DatumKnowledge

source

fn clone(&self) -> DatumKnowledge

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

source

impl Debug for DatumKnowledge

source

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

Formats the value using the given formatter. Read more

source

impl Default for DatumKnowledge

source

fn default() -> Self

Returns the “default value” for a type. Read more

source

impl From<&ColumnType> for DatumKnowledge

source

fn from(typ: &ColumnType) -> Self

Converts to this type from the input type.

source

impl From<&MirScalarExpr> for DatumKnowledge

source

fn from(expr: &MirScalarExpr) -> Self

Converts to this type from the input type.

Auto Trait Implementations

impl RefUnwindSafe for DatumKnowledge

impl Send for DatumKnowledge

impl Sync for DatumKnowledge

impl Unpin for DatumKnowledge

impl UnwindSafe for DatumKnowledge

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> FutureExt for T

source

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

source

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T, U> Into for T where
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.

source

impl<T> IntoRequest<T> for T

source

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

source

impl<T> Pointable for T

source

const ALIGN: usize = mem::align_of::()

The alignment of pointer.

type Init = T

The type for initializers.

source

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

source

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

source

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

source

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

source

impl<T> ProgressEventTimestamp for T where
T: Data + Debug + Any,

source

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

Upcasts this ProgressEventTimestamp to Any. Read more

source

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

Returns the name of the concrete type of this object. Read more

source

impl<T> Same<T> for T

type Output = T

Should always be Self

source

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

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

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

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

source

impl<T, U> TryFrom for T where
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>::Error>

Performs the conversion.

source

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

source

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

source

fn vzip(self) -> V

source

impl<T> WithSubscriber for T

source

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

source

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

source

Struct mz_transform::column_knowledge::DatumKnowledge

Fields

Implementations

impl DatumKnowledge

fn absorb(&mut self, other: &Self)

fn union(&mut self, other: &Self)

Trait Implementations

impl Clone for DatumKnowledge

fn clone(&self) -> DatumKnowledge

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

impl Debug for DatumKnowledge

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

impl Default for DatumKnowledge

fn default() -> Self

impl From<&ColumnType> for DatumKnowledge

fn from(typ: &ColumnType) -> Self

impl From<&MirScalarExpr> for DatumKnowledge

fn from(expr: &MirScalarExpr) -> Self

Auto Trait Implementations

impl RefUnwindSafe for DatumKnowledge

impl Send for DatumKnowledge

impl Sync for DatumKnowledge

impl Unpin for DatumKnowledge

impl UnwindSafe for DatumKnowledge

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

fn with_current_context(self) -> WithContext<Self>

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> ProgressEventTimestamp for T where T: Data + Debug + Any,

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

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

impl<P, R> ProtoType<R> for P where R: RustType<P>,

fn into_rust(self) -> Result<R, TryFromProtoError>

fn from_rust(rust: &R) -> P

impl<T> Same<T> for T

type Output = T

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

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

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>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> Data for T where T: 'static + Clone,

impl<T> Any for T where
T: 'static + ?Sized,

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

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

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

impl<T> ProgressEventTimestamp for T where
T: Data + Debug + Any,

impl<P, R> ProtoType<R> for P where
R: RustType<P>,

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

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

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

impl<T> Data for T where
T: 'static + Clone,