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ExchangeRelation

substrait::text::dialect

Struct ExchangeRelation

pub struct ExchangeRelation {
    pub kinds: Option<Vec<ExchangeRelationKindsItem>>,
    pub metadata: Map<String, Value>,
    pub relation: Value,
}

Expand description

ExchangeRelation

JSON schema

{
 "type": "object",
 "required": [
   "relation"
 ],
 "properties": {
   "kinds": {
     "description": "The list of valid exchanges an exchange relation can perform.",
     "type": "array",
     "items": {
       "enum": [
         "SCATTER_BY_FIELDS",
         "SINGLE_TARGET",
         "MULTI_TARGET",
         "ROUND_ROBIN",
         "BROADCAST"
       ]
     },
     "uniqueItems": true
   },
   "metadata": {
     "description": "Arbitrary data created by the dialect author.",
     "type": "object"
   },
   "relation": {
     "const": "EXCHANGE"
   }
 },
 "additionalProperties": false
}

Fields§

§kinds: Option<Vec<ExchangeRelationKindsItem>>

The list of valid exchanges an exchange relation can perform.

§metadata: Map<String, Value>

Arbitrary data created by the dialect author.

§relation: Value

Implementations§

impl ExchangeRelation

pub fn builder() -> ExchangeRelation

Trait Implementations§

impl Clone for ExchangeRelation

fn clone(&self) -> ExchangeRelation

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 ExchangeRelation

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for ExchangeRelation

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

Deserialize this value from the given Serde deserializer. Read more

impl From<ExchangeRelation> for DialectSupportedRelationsItem

fn from(value: ExchangeRelation) -> DialectSupportedRelationsItem

Converts to this type from the input type.

impl From<ExchangeRelation> for ExchangeRelation

fn from(value: ExchangeRelation) -> ExchangeRelation

Converts to this type from the input type.

impl PartialEq for ExchangeRelation

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

Equality operator ==. Read more

1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more

impl Serialize for ExchangeRelation

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 ExchangeRelation

impl TryFrom<ExchangeRelation> for ExchangeRelation

type Error = ConversionError

The type returned in the event of a conversion error.

fn try_from( value: ExchangeRelation, ) -> Result<ExchangeRelation, ConversionError>

Performs the conversion.

Auto Trait Implementations§

impl Freeze for ExchangeRelation

impl RefUnwindSafe for ExchangeRelation

impl Send for ExchangeRelation

impl Sync for ExchangeRelation

impl Unpin for ExchangeRelation

impl UnsafeUnpin for ExchangeRelation

impl UnwindSafe for ExchangeRelation

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<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> 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 = 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.