Enum ModelQueryV2 

pub enum ModelQueryV2 {
    Rows {
        cardinality: QueryRowCardinalityV2,
        hydration: HydrationProjectionV2,
        order: Option<QueryStableOrderV2>,
        output: QueryModelOutputV2,
        window: QueryWindowV2,
    },
    Page {
        hydration: HydrationProjectionV2,
        include_total: bool,
        order: QueryStableOrderV2,
        output: QueryModelOutputV2,
        root: BindingId,
        window: QueryWindowV2,
    },
    DistinctCount {
        hydration: HydrationProjectionV2,
        root: BindingId,
    },
    DistinctExists {
        hydration: HydrationProjectionV2,
        root: BindingId,
    },
    Reduction {
        hydration: HydrationProjectionV2,
        root: BindingId,
        group: Option<QueryReductionGroupV2>,
        reducers: Vec<QueryReductionTermV2>,
    },
}

The released model-query terminal contract carried by a V2 plan.

Variants

Rows

Return hydrated selected rows.

Fields

cardinality: QueryRowCardinalityV2

Required selected-row cardinality.

hydration: HydrationProjectionV2

Complete hydration authority.

order: Option<QueryStableOrderV2>

Stable order; absent only for exactly-one.

output: QueryModelOutputV2

Public output shape.

window: QueryWindowV2

Exact row window.

Page

Page by distinct root identity and hydrate in the same snapshot.

Fields

hydration: HydrationProjectionV2

Complete hydration authority.

include_total: bool

Whether the same snapshot also returns a distinct-root total.

order: QueryStableOrderV2

Stable distinct-root order.

output: QueryModelOutputV2

Public output shape.

root: BindingId

Root identity binding.

window: QueryWindowV2

Exact root window.

DistinctCount

Count distinct root identities losslessly.

Fields

hydration: HydrationProjectionV2

Complete plan-side descriptor and predicate authority.

root: BindingId

Root identity binding.

DistinctExists

Test distinct-root existence.

Fields

hydration: HydrationProjectionV2

Complete plan-side descriptor and predicate authority.

root: BindingId

Root identity binding.

Reduction

Reduce the distinct-root stream with optional typed grouping.

Fields

hydration: HydrationProjectionV2

Complete plan-side descriptor and hydration authority.

root: BindingId

Root identity whose distinct stream feeds every reducer.

group: Option<QueryReductionGroupV2>

Optional exact grouping contract.

reducers: Vec<QueryReductionTermV2>

Ordered typed reducer terms.

Trait Implementations

impl Clone for ModelQueryV2

fn clone(&self) -> ModelQueryV2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ModelQueryV2

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ModelQueryV2

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ModelQueryV2

impl PartialEq for ModelQueryV2

fn eq(&self, other: &ModelQueryV2) -> bool

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ModelQueryV2

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 ModelQueryV2