Enum QueryReductionGroupV2 

pub enum QueryReductionGroupV2 {
    Binding {
        binding: BindingId,
    },
    Field {
        field: QueryFieldV2,
    },
    Fields {
        fields: Vec<QueryFieldV2>,
    },
}

Optional grouping contract for one model-compatible reduction terminal.

Variants

Binding

Group by one attached thing identity.

Fields

binding: BindingId

Attached grouping binding.

Field

Group by each witnessed value of one owned field.

Fields

field: QueryFieldV2

Descriptor-qualified grouping field.

Fields

Group by the Cartesian product of multiple owned field values.

Fields

fields: Vec<QueryFieldV2>

Ordered descriptor-qualified grouping fields.

Implementations

impl QueryReductionGroupV2

pub const fn binding(binding: BindingId) -> Self

Construct a thing-identity grouping contract.

pub const fn field(field: QueryFieldV2) -> Self

Construct a single-field grouping contract.

pub const fn fields(fields: Vec<QueryFieldV2>) -> Self

Construct a tuple-field grouping contract.

Trait Implementations

impl Clone for QueryReductionGroupV2

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryReductionGroupV2

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QueryReductionGroupV2

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for QueryReductionGroupV2

impl PartialEq for QueryReductionGroupV2

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for QueryReductionGroupV2

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for QueryReductionGroupV2